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Chimú Tapestry Shirt, 1400–1540, Camelid fiber and cottonDumbarton Oaks

Key Information

Chimor (also Kingdom of Chimor or Chimú Empire) was the political grouping of the Chimú culture (Spanish pronunciation: [tʃi'mu]). The culture arose about 900 CE,[6] succeeding the Moche culture, and was later conquered by the Inca emperor Topa Inca Yupanqui around 1470, fifty years before the arrival of the Spanish in the region.[7] Chimor was the largest kingdom in the Late Intermediate Period, encompassing 1,000 kilometres (620 mi) of modern-day Peruvian coastline.

According to Chimú oral history, the history of Chimor began with the arrival of Taycanamo in the Moche Valley from the sea on a balsa raft. From there, his descendants would conquer surrounding areas starting with his son Guacriur. Guacricur integrated Chimú's reign over the lower valley and Ñancempinco, Taycanamo's grandson would expand the kingdom by conquering the upper valley. Ñançenpinco began to further expansion both north and south of the Moche Valleys.[8]

The first valleys seem to have joined forces willingly, but the Sican culture was acquired through conquest. They also were significantly influenced by the pre-Inca Cajamarca and Wari cultures. According to legend, its capital of Chan Chan was founded by Taycanamo, who arrived in the area by sea. Chimor was the last kingdom that had any chance of stopping the Inca Empire. But the Inca conquest began in the 1470s by Topa Inca Yupanqui, defeating the emperor and descendant of Taycanamo, Minchançaman, and was nearly complete when Huayna Capac assumed the throne in 1493.

The Chimú resided on a strip of desert on the northern coast of Peru. The rivers in the region carved a series of fertile valley plains, which were very flat and well-suited to irrigation. Agriculture and fishing were both very important to the Chimú economy.[9]

Worshipping the moon, the Chimú, unlike the Inca, considered it more powerful than the sun. Offerings played an important role in religious rites. A common object for offerings, as well as one used by artisans, was the shell of the Spondylus shellfish, which resides only in the warm coastal waters off present-day Ecuador. Associated with the sea, rainfall, and fertility, Spondylus shells were highly valued and traded by the Chimú people, and the exchange of the shells played a significant economic and political role in the empire.[10]

The Chimú people are best known for their distinctive monochromatic pottery and fine metal working of copper, gold, silver, bronze, and tumbaga (copper and gold). The pottery is often in the shape of a creature or has a human figure sitting or standing on a cuboid bottle. The shiny black finish of most Chimú pottery was achieved by firing the pottery at high temperatures in a closed kiln, which prevented oxygen from reacting with the clay.

History

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Early Chimú (Moche civilization)

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The oldest civilization present on the north coast of Peru is the Moche or Mochica civilization, which is identified as Early Chimú. The start of this period is not known for certain, but it ended around 700. It was centered in the Chicama, Moche, and Viru Valleys. "Many large pyramids are attributed to the Early Chimú period." (37)[11] These pyramids are built of adobe in rectangular shapes made from molds. "Early Chimú cemeteries are also found without pyramid associations. Burials are usually in extended positions in prepared tombs. The rectangular, adobe-lined and covered tombs have niches in their walls in which bowls were placed". (39)[11]

The early pottery is also characterized by realistic modeling and painted scenes.[11]

Expansion and rule

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Map of the area of control and influence of the Chimor culture.

Expansion

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During the reign of the Wari Empire over Peru, the mature Chimú culture developed in roughly the same territory where the Mochica had existed centuries before. The Chimú was also a coastal culture – according to legend, its capital of Chan Chan was founded by Taycanamo, who arrived in the area by sea. It was developed in the Moche Valley north of present-day Lima, northeast of Huarmey, and finishing in central present-day Trujillo. Later, it expanded to Arequipa. During this time, Arequipa was framed by 3 volcanoes. (39)[11]

The Chimú appeared in the year 900. Chimor, also known as the Kingdom of Chimor, had its capital "at the great site now called Chanchan, between Trujillo and the sea, and we may assume that Taycanamo founded his kingdom there. His son, Guacri-caur, conquered the lower part of the valley and was succeeded by a son named Nancen-pinco who really laid the foundations of the Kingdom by conquering the head of the valley of Chimor and the neighboring valleys of Sana, Pacasmayo, Chicama, Viru, Chao and Santa."[9]

The estimated founding date of the last Chimú kingdom is in the first half of the fourteenth century. Nacen-pinco was believed to have ruled around 1370 and was followed by seven rulers whose names are not yet known. Minchançaman followed these rulers, and was ruling around the time of the Inca conquest (between 1462 and 1470).[9] This great expansion is believed to have occurred during the late period of Chimú civilization, called: Late Chimú,[12] but the development of the Chimú territory spanned a number of phases and more than a single generation. Nacen-pinco, "may have pushed the imperial frontiers to Jequetepeque and to Santa, but conquest of the entire region was an agglutinative process initiated by earlier rulers". (17)[13]

The Chimú expanded to include a vast area and many different ethnic groups. The first valleys seem to have joined forces willingly, but the Sican culture was assimilated through conquest. At its peak, the Chimú advanced to the limits of the desert coast to the valley of the Jequetepeque River in the north. Pampa Grande in the Lambayeque Valley was also ruled by the Chimú.

To the south, they expanded as far as Carabayllo. Their expansion southward was stopped by the military power of the great valley of Lima. Historians and archeologists contest how far south they managed to expand.[9]

Life in the Chimú Empire
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From what scholars can tell the Chimú had a complex and consolidated empire. The capitol consisted of Chan Chan, lower-class, workshops and homes with a population estimate of around 30,000. These workshops were all built in around adobe palaces in order to impose social hierarchy ideals. The Chan Chan also had restrictions and were not offered the same privileges as the elite. They had limited access to rituals, bureaucracy, and administrative roles. The high regulations were necessary to keep order with food production and state re-distribution of the products. The class system also helped to determine who would work to create state-sponsored monuments.

Rule

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Chimú Piece, Imperial Epoch, 1300–1532 Larco Museum Collection

The Chimú society was a four-level hierarchical system,[14] with a powerful elite rule over administrative centers. The hierarchy was centered at the walled cities, called ciudadelas, at Chan Chan.[15] The political power at Chan Chan is demonstrated by the organization of labor to construct the Chimú's canals and irrigated fields.

Chan Chan was the top of the Chimu hierarchy, with Farfán in the Jequetepeque Valley as a subordinate.[14] This organisation, which was quickly established during the conquest of the Jequetepeque Valley, suggests the Chimú established the hierarchy during the early stages of their expansion. The existing elite at peripheral locations, such as the Jequetepeque Valley and other centers of power, were incorporated into the Chimú government on lower levels of the hierarchy.[15] These lower-order centers managed land, water, and labor, while the higher-order centers either moved the resources to Chan Chan or carried out other administrative decisions.[15] Rural sites were used as engineering headquarters while the canals were being built; later they operated as maintenance sites.[16] The numerous broken bowls found at Quebrada del Oso support this theory, as the bowls were probably used to feed the large workforce that built and maintained that section of canal. The workers were probably fed and housed at state expense.[16]

Cultural and economic exchange
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A modern representation of Minchançaman from the National Museum of Peru.

The Chimú's vast territorial expansion increased the amount of cultural identities within the civilization. They also incorporated political ideologies along with cultural beliefs this is seen with the Late Sicán in the north and the Casma in the South. Despite this, many areas kept distinctive aspects of their culture and some gained autonomy after the conquest.

It has been argued that Chimú leaders conquered territories further away because of the deviations in inheritance. The opposition to this is that an El Niño that had caused the state to increase the extractive economy in place and get supplies from other areas of the Andes. This El Niño is theorized to have occurred around A.D. 1100 and would have caused the destruction of irrigation canals. Both arguments suggest that agriculture expansion led to increased identities socially and politically.

The Chimú conquered the Jequetepeque around 1320 and changed the political structure of the society. Places like Pacatnamú were left behind and other sites like Farfán had increased laborers for administrative compounds constructed under the supervision of Imperial administrators. Land use, agricultural methods and settlement patterns of the Jequetepeque societies all changed after the conquest. Many households had to see tribute requirements and agricultural production increased.[17]

Downfall

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Gold adornments of the Chimú dated to about 1300 – Larco Museum

The state governed such social classes until the empire of the Sican culture conquered the kingdom of Lambayeque, Peru. The legends of war were said to have been told by the leaders Naylamp in the Sican language and Taycanamo in Chimú. The people paid tribute to the rulers with products or labor.

Chimor was the last Andean kingdom capable of stopping the Inca Empire, but the Inca conquest was begun in the 1470s by Topa Inca Yupanqui, who defeated the emperor Minchançaman, and was nearly complete when Huayna Capac assumed the throne in 1493. They moved Minchançaman, the final Chimú emperor, to Cusco and redirected gold and silver there to adorn the Qurikancha. The Chimu Empire was the largest polity conquered by the Inca.[6]

Economy

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Chimú vessel representing a fisherman on a caballito de totora (reed watercraft), 1100–1400 – Museum of the Americas (Madrid)

Chan Chan could be said to have developed a bureaucracy due to the elite's controlled access to information.[18] The economic and social system operated through the import of raw materials, where they were processed into prestige goods by artisans at Chan Chan.[14] The elite at Chan Chan made the decisions on most other matters concerning organization, monopolizing production, storage of food and products, and distribution or consumption of goods.

The majority of the citizens in each ciudadela were artisans. In the late Chimú, about 12,000 artisans lived and worked in Chan Chan alone.[19] They engaged in fishing, agriculture, craft work, and trade. Artisans were forbidden to change their profession and were grouped in the ciudadela according to their area of specialisation. Archeologists have noted a dramatic increase in Chimú craft production, and they believe that artisans may have been brought to Chan Chan from another area taken as a result of Chimú conquest.[19] As there is evidence of both metalwork and weaving in the same domestic unit, it is likely that both men and women were artisans.[19] They engaged in fishing, agriculture, and metallurgy and made ceramics and textiles from cotton and the wool of llama, alpaca, and vicuña. People used reed fishing canoes (displayed in the image on the right), hunted, and traded.

Subsistence and agriculture

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Chimú vessel showing a sexual act – Museum of the Americas, Madrid

The Chimú developed mainly through intensive farming techniques and hydraulic work, which joined valleys to form complexes, such as the Chicama-Moche complex, which was a combination of two valleys in La Libertad. The Lambayeque linked the valleys of La Leche, Lambayeque, Reque, and Saña Jequetepeque. They developed an excellent agricultural techniques which expanded the strength of their cultivated areas. Huachaques were sunken farms where land was withdrawn to work the moist, sandy soil underneath, an example of which is Tschudi.

The Chimú used walk-in wells, similar to those of the Nazca, to draw water, and reservoirs to contain the water from rivers. This system increased the productivity of the land, which increased Chimú wealth and likely contributed to the formation of a bureaucratic system. The Chimú cultivated beans, sweet potatoes, papaya, and cotton with their reservoir and irrigation system. This focus on large-scale irrigation persisted until the Late Intermediate period. At this point, there was a shift to a more specialized system that focused on importing and redistributing resources from satellite communities.[20] There appears to have been a complex network of sites that provided goods and services for Chimú subsistence. Many of these sites produced commodities that the Chimú could not.

Many sites relied on marine resources, but after the advent of agriculture, there were more sites further inland, where marine resources were harder to obtain. Keeping llamas arose as a supplemental way of obtaining meat, but by the Late Intermediate period and Late Horizon, inland sites used llamas as a main resource, although they maintained contact with coastal sites to use supplemental marine resources. They also made masks.

Technology

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One of the earliest known examples of distance communication is a Chimú device consisting of two resin-coated gourds connected by a 75-foot length of twine. Only one example has been found, and nothing is known about its originator or use.[21]

Split inheritance

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The Chimu capital, Chan Chan, had a series of elite residential compounds or cuidadelas that were not occupied simultaneously but sequentially. The reason for this is that Chimu rulers practiced split inheritance, which dictated that the heir to the throne had to build his own palace. After the death of a ruler, all the ruler's wealth would be distributed to more distant relatives.[citation needed]

Visual arts

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Shell

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The Chimú people highly valued mollusk shell for its economic and political significance as a luxury good traded over long distances, and the shell was often viewed as a symbol of elite status and divine power. Using shell as a medium for their art and artifacts, the Chimú frequently employed the shell of Spondylus a type of marine bivalve mollusk.[22]

The most abundant Spondylus species present in Peru are Spondylus calcifer Carpenter and Spondylus princeps Broderip, Spondylus calcifer has red and white hues, primarily used for beads and artifacts.[22] While this species resides in shallower waters and is easier to obtain, the Spondylus princeps, known as the "thorny oyster" for its characteristic spines, is a solid red color and can only be harvested by experienced divers. Thus, this shell was more highly desired and traded by the Chimú people.[23]

Uses and symbolism

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Chimú collar, twelfth-fourteenth century, made of Spondylus beads, stone beads, and cotton –Metropolitan Museum of Art
Chimú or Chancay sling shot with shells made of shell, wool, cotton, and beads – fourteenth-fifteenth century Metropolitan Museum of Art

Spondylus shell had a wide variety of uses in Andean culture and took a variety of forms, ranging from whole shells to fragments to ground shell powder.[23] This material was worked to create intricately carved ornaments, tools, and goods reserved for the nobles and deities. Shell fragments have been found as inlays for body ornaments and as beads for pieces of jewelry. The image to the right displays a Chimú collar made of cotton, red Spondylus shell beads, and black stone beads,[24] and the image below displays a sling shot made of shell. Representing wealth and power, the shell was ground into powder and spread out before the Chimor king by an official called the Fonga Sigde, forming a "red carpet" for the ruler as he walked.[25] Shell were likewise used for ornamentation of certain buildings and architectural structures.[22]

Found in the tombs of nobles, these artifacts were often used as burial goods and played a role in sacrificial practices.[22] Due to its aquatic origins, shells were prized for their connection to the sea and role in water and fertility rituals, used as offerings in agricultural fields to promote abundant crop yields. The Chimú also placed shells in sources of water, such as wells and springs, to bring rain to their fields, especially in times of drought.[24]

The symbolic significance of the Spondylus shell is closely related to the physical attributes and biological properties of the bivalve. Its characteristic morphology contributed to the association of the shell with divine power and the supernatural world. The external spines of Spondylus lend to the shell its ties to strength and protection.[22] Because of its shape and red blood-like color, the shell often represents death, sacrifice, and ritual bloodletting practices, as well as female reproductive body parts.[26] Known as the "daughter of the sea," the Spondylus shell has also been linked to femininity, with the univalve embodying masculinity.[27]

Spondylus has specialized sensory organs, in particular, sensitive eyes and papillae, that Andean cultures associate with extra sensory protection. Sensitive to temperature changes in water and thriving in warmer waters, the shell was thought to have divinatory powers, and because its migratory patterns are related to El Niño conditions, its presence is seen as an omen for disaster.[22]

Moreover, Spondylus exhibits seasonal toxicity, known as Paralytic shellfish poisoning (PSP). Twice a year, the mollusk tissue contains substances that are toxic to humans, caused by poisonous algae that the mollusks consume.[23] During these months, the shells are offered to weather and fertility deities as "food for the gods", as it was thought that only deities were powerful enough to eat the flesh of the bivalve.[22] At tolerable levels, human consumption of this toxic flesh may result in muscle weakness, mind-altering states, and euphoria, but in more concentrated doses, may lead to paralysis and death. Because of these hallucinogenic effects, Spondylus was a symbol of spiritual transcendence and was viewed as bridge between physical and supernatural worlds.[23]

Diving

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Chimú or Lambayeque earspool, Late Intermediate Period, Central Andes, made of gold-copper alloy and silver alloy – Michael C. Carlos Museum

Though the remains of shell workshops and artifacts are abundant in Chimor, the Spondylus shell originates in the warm waters of Ecuador.[22] Harvesting the shell is both a time and labor-intensive process, requiring experienced divers to free dive to depths of up to 50 meters and pry the shells off of rocks.[25]

The difficult task of shell diving is captured in the imagery of many portable Andean artifacts, such as bowls, earspools, and textiles.[22] Many of these images are similar, illustrating a boat with sailors holding cords attached to the divers in the water. Stone weights are suspended from the divers as they gather shells, and portrayals of Spondylus often emphasize their characteristic spines.[25] The image to the right features a Chimú earspool, which was molded from gold-copper and silver alloys and depicts a shell diving scene. The rectangle in the upper half of the earspool is a boat with large sails, and birds reside at the top of the piece. Four divers swim beneath the boat and are near spiky eggshell-shaped shells.[28]

Sections of ciudadelas, large compounds often reserved for the kings and elite individuals, were used as storage areas for shell artifacts, and the architecture and ornamentation of these structures symbolize the treasures of the sea. Los Buceadores (the Divers), a relief in Chan Chan in Ciudadela Uhle, displays imagery of a pair of figures in a tule boat, one of whom holds a paddle, and another pair of shell divers beneath the boat and connected to ropes. The relief also features a net-like semicircle, as well as spiny figures that represent shells.[22]

Production and trade

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Chimú pendant, 900–1470, made of Spondylus shell and turquoise – Dumbarton Oaks

Much of the existing evidence for shell-working in the Andes stems from archaeological findings and colonial texts. Spondylus is abundant in sites across Peru, discovered in burial sites and with the remains of shell workshops.[23] The high level of uniformity in these shell objects, combined with the technical nature of shell-working, indicate that Spondylus production was domestic and carried out by independent craftsmen. Many collections of Spondylus artifacts contain objects from various stages of shell production: whole shells, fragments, worked pieces, and debris from shell reduction. Though researchers have uncovered worked shell debris and ample proof for the presence of shell workshops, they have only identified and discussed very few specific shell workshops. One workshop, which was thought to be maintained by the Chimú people, was identified at Túcume in the Lambayeque Region of Peru by archaeologist and researcher Daniel Sandweiss. Dating back to around 1390–1480, the workshop comprised various small rooms and contained evidence for the production of Spondylus beads. Shell debris from all stages of production, ranging from cut pieces to finished beads, along with the stone tools used to work the shell, were excavated from the site.[29]

While many archaeological sources point to the abundance of shell-working, as the remains of shell workshops and artifacts were uncovered widely in Peru, little evidence documents the movement of Spondylus from its source in Ecuador to workshops in Chan Chan.[22] The archaeological record indicates that Chimor was an important center for the exchange of trade, and shell often traveled long distances from its geographic source to reach the empire of Chimor. The trade of Spondylus was integral to the expanding political power and economy of the Chimú.[30] The shell was viewed as an exotic material, and the Chimor control of the exchange of the imported luxury good served as a means of political control, establishing and legitimizing the rule of the nobles.[22] Unlike the Inca Empire, the Chimú did not attempt to expand its command of the Spondylus trade through imperial conquests of neighboring states, but rather, used its existing access to the trade as a religious and financial justification for power.[29]

Little information exists about the means by which Spondylus was acquired and exchanged along trade routes, and many scholars have proposed various models for Spondylus movement.[31] The marine bivalve was likely traded either through independent merchants or state-administered long-distance trade, with a north-south movement of the items.[22] One of the first accounts of exchange of Spondylus is a report written by Spanish colonist Francisco Xerez, who was a member of the expedition led by Francisco Pizarro, and describes a raft of luxury goods, such as textiles, emeralds, and gold and silver objects, which were to be traded for Spondylus shells.[24]

Researchers likewise disagree on the transportation methods of shells and whether they were exported via sea or land.[31] Imagery in Andean pottery and reliefs depict llama caravans carrying shell, providing evidence that the transportation of shell was at least in part overland.[23]

Textiles

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Chimú mantle, Late Intermediate Period, 1250–1350, Camelid fiber and cotton tapestry weave – Los Angeles County Museum of Art (LACMA)

Spinning is the practice of combining a small set of threads to achieve a long and continuous thread with the use of an instrument called a spindle. The zone is an instrument made of a small wand that usually gets thinner at both ends; that was used alongside a tortera or piruro. The spindle is inserted into the bottom to make a counterweight. It starts spinning, taking the rueca (where the fiber was set to be spun). Fibers that are laid down in the zone are quickly turned between the thumb and index fingers and twisted to interlock the fibers, creating a long thread. After the desired lengths of threads are attained, the threads are intersected and woven in various combinations to make fabrics.

The Chimú embellished their fabrics with brocades, embroidery, fabrics doubles, and painted fabrics. Sometimes textiles were adorned with feathers and gold or silver plates. Tropical feathers used in such textiles are evidence of long-distance trade.[25] Colored dyes were created from plants containing tannin, mole, or walnut; and minerals, such as clay, ferruginosa, or mordant aluminum; as well as from animals, such as cochineal. The garments were made of the wool of four animals: the guanaco, llama, alpaca, and vicuna. The people also used varieties of cotton, that grows naturally in seven different colors. The clothing consisted of the Chimú loincloth, sleeveless shirts with or without fringes, small ponchos, and tunics.

The majority of Chimú textiles were made from alpaca wool and cotton.[19][25] Judging from the uniform spin direction, degree of the twist, and colors of the threads, it is likely that all of the fibers were pre-spun and imported from a single location.

Ceramics

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Earthenware jar, between 1100 and 1550 – Walters Art Museum

The civilization is known for its exquisite and intricate metalworking, one of the most advanced of the pre-Columbian era. Chimú ceramics were crafted for two functions: containers for daily domestic use and those made for ceremonial use for offerings at burials. Domestic pottery was developed without higher finishing, while funeral ceramics show more aesthetic refinement.

The main features of Chimú ceramics were small sculptures and manufacturing molded and shaped pottery for ceremonial or daily use. Ceramics were usually stained black, although there are some variations. Lighter ceramics were also produced in smaller quantities. The characteristic brightness was obtained by rubbing with a rock that previously had been polished. Many animals, fruits, characters, and mystical entities have been represented pictorially on Chimú ceramics. Archaeological evidence suggest that Chimor grew out of the remnants of the Moche, as early Chimú pottery had some resemblance to that of the Moche. Their ceramics are all black, and their work in precious metals is very detailed and intricate.

Metallurgy

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Chimú beaker with face, Central Andes, 1100–1536, made of hammered silver – Yale University Art Gallery

Metalworking picked up quickly in the Late Chimú periods.[19] The Chimú worked with metals such as gold, silver, and copper.[32] Some Chimú artisans worked in metal workshops divided into sections for each specialized treatment of metals: plating, gold, stamping, lost-wax, pearl, the watermark, and embossing wooden molds. These techniques produced large variety of objects, such as cups, knives, containers, figurines, bracelets, pins, and crowns. They used arsenic to harden the metals after they were cast. Large-scale smelting took place in a cluster of workshops at Cerro de los Cemetarios.[19] The process starts with ore extracted from mines or a river, which is heated to very high temperatures and then cooled. The result is a group of prills, such as small round sections of copper, in a mass of slag, which are other materials which are not useful for metallurgy. The prills are then extracted by crushing the slag, and then melted together to form ingots, which were fashioned into various items. The Chimú also shaped metals through hammering, as displayed in the image on the right of the silver Chimú beaker. Chimú metalsmiths achieved this technique with simple tools and a single sheet of gold. The artist would first carve a wooden mold. Then they would carefully hammer the paper-thin sheet of gold around the wooden base.[33]

Although copper is found naturally on the coast, it was mostly attained from the highlands in an area about 3 days away.[19] Since most of the copper was imported, it is likely that most of the metal objects that were made were likely very small. The pieces, such as wires, needles, digging stick points, tweezers, and personal ornaments, are consistently small, utilitarian objects of copper or copper bronze.[19] The Tumi is one well-known Chimú work. They also made beautiful ritual costumes of gold compounds with plume headdresses, earrings, necklaces, bracelets, and breastplates.

Religion

[edit]

Deities

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Chimú gold plaque, displays god Naymlap on his boat – Lombards Historical Society Museum

In Pacasmayo, the Moon deity (Si or Shi) was the greatest divinity. It was believed to be more powerful than the Sun, as it appeared by night and day, and it also controlled the weather and growth of crops. Devotees sacrificed animals and birds to the Moon, as well as their own children on piles of colored cottons with offerings of fruit and chicha. They believed the sacrificed children would become deified and they were usually sacrificed around age five.

The Chimú worshipped Mars (Nor) and Earth (Ghisa) deities, as well as the Sun (Jiang) and the Sea (Ni) deities. Jiang was associated with stones called alaec-pong (cacique stone), which were believed to be ancestors of the people in whose area they stood and sons of the Sun.[9] The Chimú made offerings of maize flour of red ochre to Ni for protection against drowning and bountiful catches of fish.[9]

Several constellations were also viewed as important. Two of the stars of Orion's Belt were considered to be the emissaries of the Moon. The constellation Fur (the Pleiades) was used to calculate the year and was believed to watch over the crops.[9]

Each district had local shrines that varied in importance. These shrines, called huacas,[clarification needed][citation needed][dubiousdiscuss] were also found in other parts of Peru, and had a sacred object of worship (macyaec) with an associated legend and cult.[9]

Sacrifice

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In 1997, members of an archaeological team discovered approximately 200 skeletal remains on the beach at Punta Lobos, Peru. These figures were blindfolded and had their hands bound behind their backs, their feet bound together, and their throats slashed. Archaeologists suggest these figures, likely bodies of fishermen, may have been killed as a sign of gratitude to the sea god Ni after they conquered the fishermen's fertile seaside valley in 1350 A.D.[34]

Tombs in the Huaca of the Moon belonged to six or seven teenagers from 13–14 years of age. Nine tombs belonged to children.

In 2011, archaeologists uncovered human and animal skeletons in the village of Huanchaco. After years of excavation, they identified more than 140 human (and more than 200 llama) skeletons from children between the ages of 6 and 15, all of whom had deep slashes across the sternum and broken rib cages indicating that their hearts may have been removed. According to National Geographic, if the analysis is correct, the discovery constitutes "the largest single mass child sacrifice event known in world history". The burial is dated at 1400–1450. Anthropologist Haagen Klaus speculates that Chimú might have turned to children when the sacrifice of adults was not enough to stop torrential rain and flooding caused by El Niño.[35] In August 2019 the archaeological team working at this site revealed that the bodies of 227 victims, aged between four and 14, had been excavated, further establishing this as the largest-ever known example of child sacrifice.[36]

Architecture

[edit]
Carvings of fish in the Tschudi Complex, Chan Chan

Differential architecture of palaces and monumental sites distinguished the rulers from the common people. At Chan Chan, there are ten large, walled enclosures called ciudadelas, or royal compounds, thought to be associated with the kings of Chimor. They are surrounded by adobe walls that are nine meters high,[37] giving the ciudadela the appearance of a fortress.

The bulk of the Chimú population (approximately 26,000 people) lived in barrios on the outer edge of the city.[19] They consisted of many single-family domestic spaces with a kitchen, work space, domestic animals, and storage area.

Ciudadelas frequently have U-shaped rooms that consist of three walls, a raised floor, and frequently, a courtyard,[38] and there were often as many as 15 in one palace.[14] In the early Chimú period, the U-shaped areas were found in strategic places for controlling the flow of supplies from storerooms, but it is unlikely that they served as storage areas.[37] They are described as mnemonic devices for keeping track of the distribution of supplies.[38] Over time, the frequency of the U-shaped structures increased, and the distribution of the structures changed, becoming more grouped rather than dispersed and occurring further away from access routes to resources.

The architecture of the rural sites also supported the idea of a hierarchical social order. They have similar structural components, making them mini-ciudadelas with rural adapted administrative functions. Most of these sites have smaller walls, with many audiencias as the focal point of the structures. These would be used to restrict access to certain areas and are often found at strategic points.[16]

Chan Chan shows a lack of a unifying plan or a discernible pattern. The urban core contains six principal classes of architecture:[39]

  1. Ten ciudadelas – citadels or palatial fortresses
  2. Domestic architecture associated with Chan Chan's non-royal gentry
  3. Artisan-class dwellings and workshops spread throughout the city
  4. Four huacas or temple mounds[39]
  5. U-shaped audiencias or courts[15]
  6. SIAR or small irregular agglutinated rooms, which probably served as the residences for the majority of the population[15]

See also

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References

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Sources

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Chimor, also designated as the Kingdom of Chimor or the Chimú polity, constituted a prominent pre-Columbian civilization that exerted dominion over the northern coastal region of Peru from circa 900 CE until its subjugation by the Inca Empire around 1470 CE. Its capital at Chan Chan represented the preeminent urban center of the Americas in terms of adobe construction, encompassing roughly 20 square kilometers and accommodating up to 40,000 inhabitants within a structured layout of royal citadels, administrative complexes, and artisan quarters. The Chimú engineered extensive irrigation networks, including canals extending up to 80 kilometers, which facilitated agriculture in the otherwise arid coastal desert and underpinned a stratified society divided into nobility, priests, artisans, and laborers. Notable achievements encompassed monumental architecture featuring high-walled enclosures and friezes, refined metallurgy yielding gold and silver artifacts, intricate featherwork textiles, and mass-produced pottery that reflected both utilitarian and ceremonial functions. Governed by a lineage of kings commencing with the semi-mythical Tacaynamo and culminating with Minchancaman, who capitulated to Inca forces under Tupac Inca Yupanqui, Chimor expanded via conquest and tribute extraction, fostering trade in prestige goods such as Spondylus shell and tropical feathers across Andean networks. The civilization's legacy endures in its testament to adaptive resource management and urban planning, though post-conquest Inca policies led to the relocation of skilled artisans and partial abandonment of Chan Chan.

Geography and Environment

Territorial Extent and Capital

The Kingdom of Chimor encompassed a coastal territory along northern , extending roughly 1,000 kilometers from near the Ecuador-Peru border southward to approximately the Casma Valley. This narrow strip, confined between the and the Andean foothills, included major river valleys such as Lambayeque, La Leche, Jequetepeque, Moche, and Virú, supporting intensive through systems. At its height in the , the realm incorporated diverse ecological zones, facilitating control over , , and trade routes. Chan Chan served as the political, administrative, and ceremonial capital of Chimor, located in the lower Moche Valley near present-day Trujillo. Constructed primarily of bricks, the city covered approximately 20 square kilometers, making it the largest urban center in the pre-Columbian . It featured ten major ciudadelas—walled enclosures housing elite residences, workshops, and burial platforms—along with peripheral neighborhoods for commoners and specialized production areas. Estimated to have supported 20,000 to 30,000 inhabitants, exemplified centralized planning, with labyrinthine corridors, friezes depicting marine motifs, and reservoirs for water storage amid the arid environment. The site's layout reflected the kingdom's hierarchical structure, with royal compounds reserved for successive Cie-quich rulers. Designated a World Heritage site in 1986, remains vulnerable to and seismic activity.

Climate Challenges and Resource Base

The Chimú territory encompassed the arid coastal of northern , characterized by minimal annual rainfall averaging less than 50 mm, hyper-arid conditions, and dependence on seasonal (garúa) for limited moisture in non-irrigated areas. This environment necessitated extensive , including (subterranean aqueducts) and canal networks drawing from Andean river valleys such as the Moche and Chicama, to sustain in fertile alluvial plains. Periodic droughts exacerbated , constraining expansion and requiring centralized labor mobilization for maintenance of infrastructure spanning up to 100 km in length. A primary climatic vulnerability stemmed from El Niño-Southern Oscillation (ENSO) events, which introduced intense, unpredictable rainfall and flooding every 2–7 years, eroding canals, silting reservoirs, and inundating fields with up to 1–2 meters of sediment in severe episodes. Archaeological evidence from sites like reveals repeated reconstructions of water management systems post-ENSO disruptions, with hybrid canal designs incorporating overflow channels and permeable barriers to mitigate flood damage while capturing excess water for recharge. These adaptations enabled resilience, as prehispanic farmers adjusted planting cycles and diversified crops to recover yields, though mega-ENSO events around AD 1100–1200 likely strained societal resources and contributed to territorial limits. The resource base centered on irrigation-supported agriculture yielding , cotton, beans, squash, and , supplemented by marine exploitation in nutrient-rich zones yielding anchovies, shellfish, and for elite goods and rituals. Metallurgical resources included local and tumbaga alloys, with , silver, and arsenic-copper from traded highland ores processed in urban workshops, while cotton textiles and ceramics facilitated exchange networks. This dual reliance on terrestrial and maritime economies supported population densities exceeding 200 persons per km² in core valleys, with minimal dependence on wild terrestrial foraging.

Historical Development

Origins and Moche Continuity

The Chimú culture, encompassing the polity of Chimor, originated around 900 CE in the northern coastal region of , particularly in the Moche Valley and surrounding areas, following the decline of the preceding Moche civilization circa 800 CE. This emergence occurred during the Late Intermediate Period, a time marked by regional fragmentation after the collapse of earlier polities, potentially influenced by environmental stressors such as prolonged El Niño events that disrupted Moche agricultural systems. Archaeological surveys indicate that Chimú settlements initially developed from local Moche successor communities, with evidence of gradual population consolidation in valleys like Moche and Virú. Continuity with Moche traditions is evident in , particularly ceramics, where early Chimú exhibits stylistic resemblances to late Moche forms, including modeled vessels and stirrup-spout jars, though Chimú production shifted toward more standardized, less narrative suited for mass manufacturing. also shows persistence, with Chimú multi-platform huacas mirroring Moche ceremonial mounds, as seen in transitional sites where Late Moche and early Chimú layers overlap without abrupt cultural rupture. practices, inferred from patterns in the Moche Valley, demonstrate direct continuity, with Chimú interments retaining Moche elements like bundled offerings and coastal elite , suggesting ideological and social inheritance rather than wholesale replacement. This continuity underscores Chimor's roots in Moche adaptive strategies to the arid coastal environment, including irrigation networks and marine resource exploitation, which were refined rather than reinvented by Chimú builders. While some scholars note influences from intermediate cultures like Sicán in and , core settlement and subsistence patterns in the heartland valleys align closely with late Moche precedents, supporting a model of endogenous development over external imposition. Excavations at sites such as Galindo reveal levels of administrative and defensive continuity into early Chimú phases, indicating that Chimor represented an expansion and centralization of surviving Moche-like polities rather than a novel .

Phases of Expansion

The Chimú Empire, centered in the Moche Valley, underwent initial consolidation following its emergence around 900 CE, with early territorial growth extending into adjacent coastal valleys by approximately 1050–1100 CE. This preliminary phase involved securing control over the lower Moche Valley and pushing southward to the Santa Valley, as evidenced by archaeological remains of administrative centers and irrigation expansions. Northern advances during this period reached the Jequetepeque Valley, facilitating resource integration and population management through labor systems. A subsequent phase of northern expansion occurred around 1350 CE under the ruler Ñançenpinco, who completed the conquest of the Moche Valley and extended Chimú influence northward to the Lambayeque Valley, incorporating the remnants of the Sicán culture circa 1375 CE. This campaign, supported by ethnohistoric accounts and fortified sites like Talambo, aimed at securing highland water resources and coastal trade routes, spanning from the Jequetepeque to La Leche Valleys. Archaeological data from abandoned Sicán centers confirm the Chimú's military imposition, marking a shift to imperial administration over diverse polities. The final phase of expansion, led by Minchancaman in the early 15th century, focused southward, reaching the Chillón Valley near modern by about 1450 CE and northward to Tumbes, achieving a coastline over 1,000 kilometers in length. This aggressive growth, completed just prior to Inca intervention, integrated additional agricultural lands and marine resources but strained administrative capacities, as indicated by increased provincial citadels and tribute networks. The empire's maximum extent encompassed approximately 13 major valleys, relying on conquest and co-option rather than wholesale population displacement.

Administration under Chimú Kings

The Chimú kings, known as cihique, held supreme authority in a centralized , residing in the capital of and directing administration across an empire spanning approximately 1,000 kilometers of Peru's northern coast from around 900 to 1470 CE. As divine figures at the apex of a multi-tiered , they oversaw tribute extraction, labor mobilization for such as canals, and resource storage to sustain the state. Intermediate elites, including great lords (nçie quic) and local leaders (caciques), managed day-to-day operations from administrative compounds, while vassals and servants executed directives. Chan Chan, covering about 20 square kilometers and supporting up to 60,000 residents, embodied royal administration through its ten ciudadelas—massive enclosures, each up to 21 hectares with hundreds of rooms, serving as palaces, bureaucratic centers, and eventual for individual kings. Successive rulers built new ciudadelas upon ascension, reflecting the split where the heir received political power and title but not the predecessor's wealth or estates, which passed to siblings and kin groups to maintain loyalty and fund independent administrative domains. This practice, necessitating constant resource acquisition, propelled imperial expansion and architectural innovation. Governance evolved from personal to a more impersonal , evidenced by architectural adaptations like U-shaped structures that processed on labor, , and production without reliance on writing or quipus, enabling efficient management of the kingdom's from circa 850 CE onward. Provincial control was decentralized yet tied to the center, with secondary sites such as Farfán and Manchan functioning as regional capitals where Chimú-appointed officials and incorporated local elites replicated Chan Chan's administrative model to enforce labor, collect goods, and monitor territories from Huarmey to . Conquered rulers often retained limited autonomy under royal oversight, ensuring steady inflows of prestige items like Spondylus shells and feathers to bolster the kings' legitimacy.

Decline and Inca Conquest

The Chimú empire, at its peak encompassing approximately 1,000 kilometers of Peru's northern coast, faced its ultimate downfall through military conquest by the expanding in the late 15th century. Prior to the invasion, the Chimú had successfully managed environmental challenges, including periodic El Niño events that caused heavy rains and structural damage to constructions like those in every 25 to 50 years, demonstrating resilience through repairs and adaptations rather than systemic decline. No substantial evidence indicates internal political fragmentation or economic collapse weakened the Chimú sufficiently to invite conquest; instead, their vast irrigation networks and centralized administration remained functional until the Inca incursion. The decisive campaign occurred around 1470 CE, led by Inca general (r. c. 1471–1493 CE), who targeted the Chimú heartland after subduing other northern polities. Under the rule of King Minchancaman, the Chimú capital of was besieged, leading to the city's capture without prolonged resistance, as Inca forces leveraged superior numbers, logistics, and , including threats to irrigation canals vital to Chimú agriculture. Minchancaman was captured and relocated to Cuzco as a , where he was reportedly treated with honor but effectively neutralized as a leader, symbolizing the Inca policy of co-opting elite captives to legitimize rule over conquered territories. Post-conquest, the Inca reorganized Chimú society by resettling significant populations—estimated at tens of thousands—through the mitmaq system, dispersing artisans and laborers to imperial centers and frontiers, which disrupted local hierarchies and economies. , once housing up to 30,000 inhabitants, was looted of treasures and gradually abandoned, transitioning from a thriving urban hub to ruins as Inca administrators redirected resources and labor to Cuzco-aligned projects. This integration into the Inca Tawantinsuyu marked the effective end of Chimú autonomy, with their cultural and technological contributions, such as advanced and textiles, absorbed into the empire, though local traditions persisted under Inca oversight until the Spanish arrival.

Political and Social Organization

Split Inheritance System

The Chimú kingdom of Chimor practiced a form of split inheritance, in which the designated successor inherited the ruler's political authority and administrative responsibilities, but the deceased king's personal wealth, lands, and retainers passed to a corporate kin group comprising the late ruler's siblings, sons, and other close relatives, rather than to the new sovereign. This system diverged from patrilineal primogeniture common in other societies, instead fragmenting estates to preserve the prestige and autonomy of the prior ruler's panaca (kin-based corporate entity), thereby ensuring ongoing ritual obligations to the ancestor's mummy and associated properties. Archaeological evidence from Chan Chan, the Chimú capital, supports this practice through the sequential construction of up to ten monumental citadels (ciudadelas), each serving as a self-contained complex for a single ruler's lifetime, complete with administrative, residential, and funerary facilities, rather than reusing predecessors' structures. This inheritance mechanism originated from ideological adaptations of pre-existing Andean concepts of divine kingship and ancestor veneration, where rulers were seen as semi-divine intermediaries whose estates symbolized their ongoing spiritual potency post-mortem. By denying the heir direct access to accumulated wealth, the system compelled new kings—such as those succeeding from the empire's founding around 1200 CE—to mobilize labor and military resources for and projects to establish their own economic base, fostering aggressive expansion across coastal . The resulting imperial growth, encompassing over 1,000 kilometers of territory by the , relied on intensified , tribute extraction, and provincial to offset the resource scarcity faced by each incoming ruler. The split inheritance system's emphasis on expansion over consolidation contributed to Chimor's military orientation, with rulers maintaining standing armies and engineering corps to secure and labor pools, though it also sowed vulnerabilities by decentralizing elite loyalties among multiple panacas. Later Inca conquerors, who subdued Chimor around 1470 CE, adopted and formalized similar practices, adapting them to their own -based social structure, indicating the model's regional influence.

Hierarchical Society and Labor Control

The Chimú maintained a stratified dominated by a hereditary class that wielded centralized authority over economic production, resource distribution, and administrative functions from their capital at . This ruling stratum, including the king (known as Cie-quich or similar titles in ethnohistoric accounts) and associated , resided in self-contained ciudadelas—walled enclosures housing up to 10 such complexes, each spanning 1-6 hectares and featuring residences, storerooms, and spaces. Below them were intermediate groups of specialists, such as artisans and merchants, who produced luxury goods like textiles, metals, and ceramics under oversight, while —primarily farmers and laborers—formed the base, inhabiting peripheral barrios outside the ciudadelas and providing in goods and services. Archaeological evidence from settlement patterns and grave goods indicates minimal , with burials featuring abundant shell ornaments and fine wares, contrasting sharply with simpler commoner interments. Labor control was enforced through state-directed mobilization, particularly for large-scale that sustained the empire's expansion from approximately AD 900 to 1470. Commoners supplied the bulk of workforce for constructing Chan Chan's estimated 20-30 square kilometers of , including millions of standardized bricks (typically 30-40 cm long) and extensive huacas, as well as maintaining over 100 km of canals in the Moche Valley. This organization likely drew on reciprocal obligations akin to Andean systems, where labor was extracted rotationally from rural ayllus (kin-based communities) under administrative supervision, ensuring surplus production for elite storage facilities that held , beans, and in quantities supporting thousands. Ethnohistoric analogies from later Inca records suggest Chimú overseers coordinated these efforts via nested hierarchies of local curacas (chiefs), though direct evidence remains inferential from labor-intensive architecture requiring coordinated teams of 100-500 workers per project phase. Architectural design further institutionalized control, with features like serpentine corridors, blind alleys, and gated enclosures in ciudadelas restricting access and monitoring movement, thereby segmenting labor pools and preventing unrest among the lower strata. Such mechanisms reflected the elite's ideological emphasis on order and divine kingship, where commoner labor underwrote imperial projects without apparent remuneration beyond subsistence allocations, as evidenced by the absence of market-oriented exchange in core zones and reliance on state redistribution. Captives from military campaigns may have augmented coerced labor for peripheral sites, though primary reliance fell on integrated provincial populations, fostering expansion but straining resources during droughts around AD 1100-1200.

Economy

Irrigation-Based Agriculture

The Chimú state's agriculture in the arid north coast of relied on engineered systems to exploit seasonal river flows from valleys such as the Moche, Chicama, and Jequetepeque, where annual rainfall averages less than 50 mm and fertile land is confined to narrow alluvial strips. These networks diverted water via primary canals from river intakes, branching into secondary and tertiary channels to irrigate fields, expanding cultivable areas beyond natural floodplains and forming the economic foundation for polities supporting populations up to 30,000 in urban centers like . Canal designs incorporated precise gradients for controlled flow velocities and discharges, as evidenced by hydraulic analyses of Moche Valley systems dating to the late prehistoric period (ca. AD 900–1470), where main canals achieved discharges supporting intensive farming of maize, beans, squash, peanuts, cotton, lima beans, avocados, peppers, and coca. Intervalley transfers, such as the Moche-Chicama canal spanning approximately 50 km, exemplified engineering to redistribute water across watersheds, mitigating variability in river discharge and enabling surplus production amid El Niño-induced droughts. State-managed labor maintained these systems through periodic desilting and repairs, synchronized with seasonal flows to prevent buildup and ensure equitable distribution, as inferred from segmented field patterns and canal morphologies in the Jequetepeque Valley. Agricultural output, supplemented minimally by wells and , sustained hierarchical tribute economies, with for textiles and for elites underscoring irrigation's role in imperial expansion from ca. AD 1000. Post-conquest Inca modifications, including field segmentation, built on Chimú but highlight the original systems' scale and durability.

Craft Production, Trade, and Marine Resources

The Chimú produced ceramics characterized by finely burnished black-ware, often mold-made and mass-produced through open firings, featuring utilitarian forms such as large brewing pots (70-80 liters) alongside sculptural depictions of humans, deities, and animals with motifs like raised or waves. These vessels reflected a shift toward compared to earlier Moche styles, emphasizing quantity for both domestic and use. Metallurgical crafts involved advanced techniques including , molding, , and alloying with for functional items like fishhooks, needles, bracelets, and labrets, while and silver were reserved for elite objects such as miniatures, vessels, and ceremonial shields often adorned with marine motifs or complex filling surfaces in a horror vacui style. Up to 12,000 artisans worked in specialized workshops at , producing jewelry, vessels, and weapons incorporating and mother-of-pearl, with evidence of , silvering, and embossing. Textiles, woven from and camelid wool (, ) using backstrap looms and spindle whorls, included plain weaves, gauzes, and decorated pieces with , painting, or featherwork, often featuring high-status motifs like felines and birds in or techniques. Trade networks extended over 1,000 kilometers along the coast to Ecuador and into the Andes, facilitated by maritime reed boats and overland routes, involving the exchange of spondylus shells (sourced from Ecuador for rituals and ornaments), macaw feathers from eastern jungles, gold and silver ores from highlands, obsidian, wool, and coca leaves, alongside local goods like ceramics, dried fish, and salt from coastal lagoons. Centralized redistribution through state storerooms and tribute sustained this system, with archaeological evidence of imported ceramics from regions like Casma and Jequetepeque indicating diverse population movements and economic integration. Marine resources formed a cornerstone of the economy, with fishing fleets using cotton nets of varying mesh sizes, copper hooks, and caballito reed watercraft to target pelagic species such as anchovies, sardines, , sharks, and rays, supplemented by shellfish gathering (mussels, limpets, chitons, bean clams) from intertidal zones. Divers harvested shells symbolizing fertility and used in rituals, while seabirds and marine mammals contributed to subsistence, often depicted in on walls and vessels; this exploitation, combined with , supported urban centers like through household-level integration and state oversight.

Religion and Rituals

Deities and Cosmological Framework

The Chimú pantheon was dominated by the moon deity Si (also spelled Shi), regarded as the supreme ruler controlling natural elements, , weather patterns, and marine storms, with its perceived superiority over the sun stemming from visibility during both day and night. Si, often depicted as androgynous, led the major deities in north coast traditions inherited from predecessor cultures like the Moche and Sicán, influencing rituals tied to and cosmic order. The sea god Ni complemented Si as a key figure, overseeing oceanic resources, , and yields essential to the coastal , reflecting the Chimú's reliance on marine environments amid arid conditions. Archaeological evidence for these deities is indirect, derived primarily from iconography on ceramics, textiles, and (temple) reliefs at sites like , rather than written records, as the Chimú lacked a script. Ethnohistoric accounts from post-conquest sources, cross-referenced with Moche precedents, suggest Si's role extended to blacksmithing, , and warfare, underscoring a pragmatic cosmology aligned with empirical environmental cycles. A creator figure akin to the Moche's Ai Apaec appears in transitional artifacts, potentially linking to broader Andean motifs of anthropomorphic decapitators symbolizing renewal, though Chimú-specific attributions remain debated due to cultural . Cosmologically, north coast myths, preserved in oral traditions recorded post-conquest, posit human origins from distinct cosmic sources: nobles emerging from or of superior quality, while commoners derived from lesser variants, reinforcing hierarchical social structures as divinely ordained. The founding Tacaynamo's legend exemplifies this framework, portraying emergence from a and sea arrival, symbolizing aquatic and celestial genesis tied to Si and Ni's domains. This motif echoes Sicán narratives, indicating continuity in a where celestial bodies and marine forces governed creation and sustenance, with rituals aimed at propitiating deities for ecological balance rather than abstract metaphysics. Limited direct artifacts, such as moon-phase motifs on Lambayeque beakers (ca. AD 900–1100), support inferences of a influencing agricultural timing, though interpretations rely on comparative given the absence of codices.

Human Sacrifice Practices

Archaeological excavations at the site of Huanchaquito-Las Llamas, adjacent to the Chimú ceremonial center of in the Moche Valley, uncovered the remains of 137 children aged approximately 5 to 14 years and over 200 juvenile llamas, all ritually sacrificed in a single event dated to around AD 1450 during the late Chimú period. The victims exhibited thoracic incisions consistent with perimortem chest openings, likely to remove the heart, with many children showing signs of severe anemia and respiratory infections prior to death, suggesting selection of vulnerable individuals. Llamas were similarly killed via chest stabs and arranged in rows facing the sea, paralleling the human burials oriented toward the mountains, indicating a structured ritual aimed at mediating between terrestrial and marine forces. This mass sacrifice, the largest known child offering in the , coincided with evidence of intense rainfall and flooding linked to an El Niño event, as inferred from stratigraphic mud layers and the victims' cut hair (a sign of preparation) grown back unevenly, implying weeks of confinement. Researchers interpret the practice as an appeal to weather-controlling deities, such as the moon god Si or sea-related entities central to Chimú cosmology, to restore balance amid environmental catastrophe, though direct textual accounts are absent due to the absence of Chimú writing. Complementary evidence from nearby Moche-influenced sites, where Chimú rituals continued traditions of sacrificial and retainer burials, suggests human offerings were not isolated but part of broader elite funerary and propitiatory rites, albeit scaled up in response to crisis. Additional findings at the Chimú capital of include a mass burial of at least 25 individuals, predominantly young women aged 15 to 25, interred without in a confined urban platform space, potentially indicating retainer sacrifice or post-conquest disposal, though osteological analysis points to perimortem trauma consistent with killing. Unlike the child-focused event at Huanchaquito, these adult burials lack clear environmental triggers but align with patterns of hierarchical labor control, where subordinates accompanied elites in death. No evidence supports widespread or trophy-taking in Chimú sacrifices, distinguishing them from earlier Moche practices, though iconographic motifs on ceramics depict bound figures and scenes interpretable as sacrificial themes. The scale and specificity of these rites underscore a causal link between and ecological pressures in sustaining Chimú authority, with sacrifices reinforcing social cohesion through shared participation in elite-orchestrated ceremonies.

Architecture and Urban Planning

Chan Chan as Imperial Center

Chan Chan functioned as the primary imperial center of the Chimú Empire, situated in the Moche Valley near modern , where it oversaw administrative, economic, and ritual activities across a territory spanning much of coastal . Constructed primarily from bricks, the city encompassed approximately 20 square kilometers, with a densely built urban core of about 6 square kilometers supporting an estimated population of 40,000 to 60,000 inhabitants at its peak in the 15th century CE. This scale reflected the Chimú's advanced organizational capacity, enabling centralized control through irrigation-dependent and tribute networks from provincial centers. The city's layout centered on ten massive walled citadels, each typically measuring around 1 square kilometer and associated with a successive , embodying the Chimú split inheritance system where a deceased king's became a while his successor constructed a new one. These citadels featured high enclosing walls up to 9 meters tall and 15 meters thick at the base, enclosing elite residences, ceremonial plazas, storage facilities, workshops, and burial platforms often containing human sacrifices. Beyond the citadels lay irregularly shaped enclosures for lower and craft specialists, as well as peripheral zones with dwellings and agricultural fields, illustrating a hierarchical designed for and . Iconographic friezes of geometric motifs and mythical figures on citadel walls underscored ideological reinforcement of royal authority. As the empire's political hub from roughly the 12th to 15th centuries CE, coordinated expansion through military campaigns and administrative outposts, such as those at Farfán and Manchan, facilitating the extraction of tribute in goods like textiles, metals, and shells. Reservoirs and canals within the city ensured , vital for sustaining urban elites amid the arid coastal environment. The site's by Inca forces around 1470 CE led to looting of royal tombs, highlighting its accumulated wealth and symbolic centrality, though the core urban structure persisted into the colonial era before accelerated its decline.

Provincial Sites and Engineering

The Chimú Empire maintained control over its territories through a network of provincial administrative centers, particularly in conquered regions to the north and south of the Moche Valley core. Key northern sites include Farfán in the Jequetepeque Valley, where excavations reveal a fortified complex with a small Chimú fort overlooking the main center, suggesting oversight alongside administrative functions for management and labor coordination. Evidence of conflict, such as a battle at nearby Talambo, indicates resistance to Chimú expansion and the need for defensive installations. In the same valley, lower-level sites like El Algarrobal de Moro served as secondary administrative hubs within larger complexes such as de Moro, featuring platforms and enclosures adapted from local traditions to enforce imperial policies. To the south, Manchan in the Casma Valley functioned as a provincial outpost, with archaeological surveys documenting Chimú-style adobe architecture and artifacts that reflect integration of local populations into the empire's economic system. These sites typically replicated elements of Chan Chan's urban planning on a smaller scale, including high-walled enclosures and friezes, but emphasized functionality for regional governance rather than elite residence. Chimú engineering in provincial areas focused on hydraulic infrastructure to sustain agricultural productivity and imperial expansion. Extensive canal networks and aqueducts were constructed or modified in valleys like Jequetepeque and Casma, channeling water from rivers to marginal lands and incorporating sediment traps to prevent silting, thereby extending cultivable areas by up to several kilometers in some cases. These systems, built with adobe-lined channels and stone reinforcements, supported mit'a-like labor drafts for maintenance, ensuring reliable water distribution amid arid conditions. Defensive engineering included fortified access points at sites like Farfán, with ramparts and gated enclosures designed to control movement and resources. Such innovations not only facilitated economic extraction but also mitigated environmental risks, though vulnerabilities to El Niño floods persisted across provinces.

Material Culture

Ceramics and Iconography

Chimú ceramics were predominantly mold-made and fired in reducing atmospheres, yielding finely burnished blackware with a lustrous finish. This technique contrasted with the painted pottery of earlier Moche predecessors, emphasizing modeled forms, appliqués, and designs over decoration. Common vessel types included stirrup-spout bottles, double-chambered jars with cylindrical spouts and strap handles, and whistling pots engineered to emit sound during liquid transfer, as seen in examples measuring approximately 16 by 9.5 cm. Utilitarian wares ranged from small cooking pots to large storage vessels holding 70-80 liters for brewing , while elite forms featured effigies of humans, animals, and . Iconography on Chimú pottery centered on maritime motifs, underscoring the society's dependence on coastal resources, with frequent depictions of waves, , pelicans, and sea mammals rendered in low-relief or modeled elements. Birds, including ducks, appeared commonly across ceramics, often in stylized forms symbolizing environmental interactions. Felines and other mammals also featured, as in stirrup-spout bottles portraying feline figures, potentially linking to broader Andean predatory symbolism. Mythical and cosmological elements included the Animal, a crested, fanged imaginary quadruped consistently paired with lunar crescents and stellar motifs, originating in Moche but persisting in Chimú vessels. Anthropomorphized wave deities highlighted the sea's significance, while representations of shells in ceramic form suggested symbolic ties to trade and prestige goods. Human figures, fruits, and mystical entities further enriched the repertoire, conveying narratives of daily life, , and supernatural forces without overt narrative complexity. These motifs, executed in simple relief, prioritized functional symbolism over intricate storytelling, aligning with the Chimú's pragmatic artistic ethos.

Textiles and Symbolism

Chimú textiles were crafted primarily from cotton fibers, with elite garments incorporating dyed camelid yarns imported from the highlands. Weavers employed sophisticated techniques such as brocade to create raised patterns, plain weave for the base structure, embroidery for fine details, and tapestry weaves for decorative borders, often finishing pieces with fringes. These methods produced sleeved tunics, shirts, ponchos, and loincloths that demonstrated technical mastery and served functional roles in daily and ceremonial attire. Prominent motifs in Chimú weaving included splayed felines with extended claws, pointed ears, and curled tails, depicted snarling on the chest, sleeves, and borders of high-status garments. Feline imagery symbolized political power and likely held apotropaic significance, protecting the wearer from harm while signifying . Such symbols aligned with broader Andean artistic traditions where animals represented forces or attributes, reinforcing social hierarchies through wearable displays of status and wealth. Yarns were dyed before weaving, favoring natural cotton tones of white and brown for durability and subtlety, though vibrant accents appeared in select pieces. Geometric patterns evoking waves and spirals also featured, possibly alluding to the sea's centrality in Chimú subsistence and cosmology, as well as environmental dynamics like coastal currents. These elements collectively encoded cultural identity, with textiles functioning as markers of prestige in a society where craftsmanship reflected imperial control over resources and labor.

Metallurgy Techniques

The Chimú metallurgists specialized in working , silver, , and their alloys, drawing on established Andean traditions to produce primarily ceremonial and elite ornaments rather than utilitarian tools. Key techniques included ores to extract pure metal, followed by alloying with to create for enhanced hardness and durability in items like knives and tweezers. This process involved heating ores in furnaces, a method evidenced by residues and metal fragments from Chimú workshop sites near . Lost-wax casting (cire perdue) was a hallmark technique for fabricating intricate jewelry, figurines, and vessels, where wax models were encased in clay, heated to melt out the wax, and then filled with molten metal. Artifacts such as earspools and ceremonial cups from Chimú tombs demonstrate this method's precision, enabling thin-walled, hollow forms in or tumbaga—a low- of and that comprised up to 97% in some base mixtures. Tumbaga objects underwent depletion gilding, a surface treatment using acidic solutions like salt water or plant acids to corrode away , yielding a lustrous exterior without full recasting. Hammering and repoussé work transformed into large-scale items, including oversized mummy masks up to 74 cm wide, hammered from ingots and detailed with chased designs. joined components using fluxes derived from local minerals, while chemical with acids created fine decorative patterns on silver and surfaces. These methods, applied to silver-copper alloys and pure (natural gold-silver mix), are attested in funerary assemblages from sites like Huaca de la Luna and , where over 1,000 metal artifacts have been recovered, underscoring metallurgy's role in elite status display rather than widespread production. Archaeological analyses confirm that Chimú techniques prioritized aesthetic and symbolic value, with symbolizing solar and silver lunar associations, though sourcing from highland mines involved extensive trade networks.

Shellwork and Specialized Crafts

The Chimú excelled in shellwork, particularly with the spiny oyster shell (Spondylus spp.), prized for its vibrant red-orange hue and symbolic associations with fertility, the sea, and rainfall. Artisans processed these shells, sourced from warmer northern waters via trade networks extending to Ecuador, into intricate ornaments including beads, collars, pendants, and earspools. Techniques involved careful cutting, perforation, carving, and polishing to create durable, aesthetically refined items, often requiring specialized tools and skills honed over generations. Beads known as chaquiras, produced by grinding and drilling tiny fragments, formed the basis of elaborate necklaces and collars comprising thousands of individual elements strung on cords. A notable example is a Metropolitan Museum collar featuring densely packed reddish beads, demonstrating the labor-intensive precision of Chimú craftsmanship, likely manufactured in northern workshops before distribution southward. Such items adorned elites and served ritual functions, with shell motifs recurring in depicting deities and marine themes, underscoring the material's cosmological significance. Specialized crafts extended to carving Spondylus into figurative pendants, such as and forms, which highlighted technical prowess in capturing naturalistic details while maintaining symbolic potency. Earspools inlaid or fully crafted from shell further exemplified elite adornment, blending functionality with status display; archaeological finds from sites like reveal these integrated with metal and textile elements. Shells also appeared in composite tools, like slings augmented with shell components, indicating versatile applications beyond pure ornamentation. The emphasis on Spondylus reflects Chimú economic strategies, as control over shell acquisition bolstered imperial prestige and exchange networks.

Interactions with Environment and Debates

Landscape Transformation via

The Chimú Empire, flourishing from approximately AD 900 to 1470, engineered extensive networks that converted arid coastal deserts into productive agricultural oases, enabling and territorial expansion across northern . These systems primarily tapped seasonal river flows from the , channeling water through canals into valleys such as Chicama, Moche, and Virú, where rainfall was minimal and fog-dependent moisture insufficient for large-scale farming. By constructing primary canals up to 80 kilometers in length from rivers like the Moche and Chicama, the Chimú diverted water and sediment to distal valley reaches, fostering soil fertility and arable land expansion. Hydraulic engineering featured precisely surveyed, gently sloped open channels designed for optimal flow velocity and discharge, as analyzed in studies of the Chicama-Moche intervalley system, which linked adjacent valleys to mitigate . In the Chicama Valley alone, canal networks spanned roughly 150 kilometers, incorporating both expansions of pre-existing infrastructure and new constructions that pushed oasis boundaries outward. This infrastructure supported staple crops like , beans, and , transforming hyper-arid zones—receiving less than 50 mm annual —into fields yielding surplus for urban centers like , which housed up to 30,000 inhabitants reliant on irrigated hinterlands. The landscape alterations were profound, with canal-fed fields segmenting into gridded plots and fostering alluvial soil buildup, but they also induced ecological shifts, including salinization risks in overused distal areas. Chimú expansion from the onward integrated local water management practices, adding lateral canals to inherited networks, which amplified cultivated area by orders of magnitude compared to earlier phases. This hydraulic mastery underpinned imperial consolidation, as control over facilitated conquest and administration of provinces up to 1,000 kilometers from the core.

Responses to El Niño and Vulnerabilities

The Chimú Empire's coastal location in hyper-arid northern rendered it acutely vulnerable to El Niño-Southern Oscillation (ENSO) events, which introduced anomalous heavy rainfall, riverine flooding, and coastal warming approximately every few decades. These phenomena eroded the architecture of sites like , causing structural collapse through base humidity and wall dissolution, as evidenced by stratigraphic layers of flood silt in excavations. Irrigation-dependent agriculture faced canal breaches and field inundation, disrupting staple crops such as and beans, while marine disruptions from reduced curtailed anchovy and harvests critical to the diet. Engineering adaptations included the erection of monumental flood barriers, notably the Muralla La Cumbre, a 10–12 km wall up to 40 meters high and 15 meters thick spanning two valleys near , dated via radiocarbon to before 1450 CE and aligned to channel floodwaters away from farmlands and urban cores. This structure, built with quarried stone and adobes, reflects proactive landscape modification following earlier ENSO floods, protecting huachaques (raised agricultural plots) and (subterranean aqueducts). Hybrid canal systems, blending surface channels with permeable designs, allowed post-flood aquifer recharge and salt flushing, enhancing long-term resilience as shown in geomorphic analyses of valley floors. Ritual responses escalated during severe events, with mass sacrifices aimed at appeasing sea and weather deities. At Huanchaquito-Las Llamas near Trujillo, excavations uncovered 137 children (aged 5–14) and over 200 juvenile llamas ritually killed around 1450 CE, their chests incised and bodies arranged facing the , amid mudbrick platform ruins bearing flood deposit layers indicative of extreme ENSO . This event, the largest known juvenile sacrifice in the , temporally aligns with paleoclimatic records of intense regional flooding, suggesting elite-orchestrated offerings to halt deluges, corroborated by similar smaller rites at other Chimú sites. Subsistence and social adaptations further buffered impacts, as post-ENSO faunal assemblages from sites like Manchán reveal intensified exploitation of flood-tolerant resources such as freshwater mussels and migratory birds, alongside labor for rapid repair. Centralized authority enabled these mobilizations, sustaining empire-wide recovery, though repeated catastrophes strained resources and may have eroded legitimacy, coinciding with Inca by 1470 CE. Archaeological models emphasize that while ENSO posed existential threats, Chimú organizational capacity often mitigated short-term , with vulnerabilities amplified by adobe's impermanence and valley confinement.

Scholarly Controversies on Expansion and Sustainability

Scholars debate the mechanisms underlying Chimú territorial expansion, which by approximately AD 1100 encompassed over 1,000 kilometers of Peru's north coast from the Valley in the north to the Casma Valley in the south. Early models emphasized militaristic and centralized administration, positing that the Chimú imposed direct control through provincial centers, fortresses, and extraction systems, as evidenced by architectural impositions like U-shaped compounds and storage facilities in conquered territories. However, more recent analyses challenge this uniformity, arguing that local household economies and practices often retained autonomy under Chimú hegemony, particularly in northern valleys like Jequetepeque, where archaeological evidence of continued domestic production suggests rather than total economic overhaul, provided obligations were met. This tension reflects broader methodological divides: processual approaches favoring ecological and administrative efficiency versus post-processual views incorporating local agency and resistance, with fortifications like Fortaleza de Quirihuac interpreted variably as tools for elite control or responses to regional conflicts. Controversies also surround the role of resource appropriation in sustaining expansion, particularly the redirection of highland water sources via (underground aqueducts) and canals to coastal , which some scholars view as a strategic consolidation of power but others critique as exacerbating environmental strain through of fragile Andean . Archaeological data from highland sites indicate Chimú incursions appropriated sacred springs tied to local ideologies, potentially fueling resistance and limiting long-term integration, though direct evidence of widespread revolt remains sparse. Cultural materialist frameworks attribute rapid growth to elite practices that incentivized for resource accumulation, yet these same dynamics may have sown seeds of instability by prioritizing short-term gains over adaptive governance. On sustainability, debates center on the Chimú's intensive networks and amid arid conditions and climatic variability, with evidence from the showing engineered responses to El Niño floods—such as raised fields and canal modifications—that mitigated short-term disruptions but highlighted systemic vulnerabilities to prolonged s or intensified events. Proponents of resilience argue that Chimú investments in , including filtration and efficiency measures, demonstrated foresight, enabling population densities exceeding 30,000 in alone without immediate collapse. Critics counter that expansionist policies overextended these systems, leading to salinization and soil degradation in peripheral valleys, potentially weakening defenses against the Inca around AD , though climatic data do not conclusively link a terminal to downfall. These views underscore unresolved tensions between viewing Chimú society as adaptively robust versus ecologically precarious, informed by paleoenvironmental proxies like cores that reveal variable human-environment interactions rather than deterministic decline.

References

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