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History of the Han dynasty
The Han dynasty (201 BCE – 220 CE) was the second imperial dynasty of China. It followed the Qin dynasty, which had unified the Warring States of China by conquest. It was founded by Liu Bang (Emperor Gaozu). The dynasty is divided into two periods: the Western Han (202 BCE – 9 CE) and the Eastern Han (25–220 CE), interrupted briefly by the Xin dynasty (9–23 CE) of Wang Mang. These appellations are derived from the locations of the capital cities Chang'an and Luoyang, respectively. The third and final capital of the dynasty was Xuchang, where the court moved in 196 CE during a period of political turmoil and civil war.
The Han dynasty ruled in an era of Chinese cultural consolidation, political experimentation, relative economic prosperity and maturity, and great technological advances. There was unprecedented territorial expansion and exploration initiated by struggles with non-Chinese peoples, especially the nomadic Xiongnu of the Eurasian Steppe. The Han emperors were initially forced to acknowledge the rival Xiongnu Chanyus as their equals, yet in reality the Han was an inferior partner in a tributary and royal marriage alliance known as heqin.
This agreement was broken when Emperor Wu of Han (r. 141–87 BCE) launched a series of military campaigns which eventually caused the fissure of the Xiongnu Federation and redefined the borders of China. The Han realm was expanded into the Hexi Corridor of modern Gansu, the Tarim Basin of modern Xinjiang, modern Yunnan and Hainan, modern northern Vietnam, modern North Korea, and southern Outer Mongolia. The Han court established trade and tributary relations with rulers as far west as the Arsacids, to whose court at Ctesiphon in Mesopotamia the Han monarchs sent envoys. Buddhism first entered China during the Han, spread by missionaries from Parthia and the Kushan Empire of northern India and Central Asia.
From its beginning, the Han imperial court was threatened by plots of treason and revolt from its subordinate kingdoms, eventually ruled only by royal Liu family members. Initially, the eastern half of the empire was indirectly administered through large semi-autonomous kingdoms which pledged loyalty and a portion of their tax revenues to the Han emperors, who ruled directly over the western half of the empire from Chang'an. Gradual measures were introduced by the imperial court to reduce the size and power of these kingdoms, until a reform of the middle 2nd century BCE abolished their semi-autonomous rule and staffed the kings' courts with central government officials.
Yet much more volatile and consequential for the dynasty was the growing power of both consort clans (of the empress) and the eunuchs of the palace. In 92 CE, the eunuchs entrenched themselves for the first time in the issue of the emperors' succession, causing a series of political crises which culminated in 189 CE with their downfall and slaughter in the palaces of Luoyang. This event triggered an age of civil war as the country became divided by regional warlords vying for power. Finally, in 220 CE, the son of an imperial chancellor and king accepted the abdication of the last Han emperor, who was deemed to have lost the Mandate of Heaven according to Dong Zhongshu's (179–104 BCE) cosmological system that intertwined the fate of the imperial government with Heaven and the natural world. Following the Han, China was split into three states: Cao Wei, Shu Han, and Eastern Wu; these were re-consolidated into one empire by the Jin dynasty (266–420 CE).
The Zhou dynasty (c. 1056 – c. 256 BCE) had made the state of Qin in Western China as an outpost to breed horses and act as a defensive buffer against nomadic armies of the Rong, Qiang, and Di peoples. After conquering six Warring States (i.e. Han, Zhao, Wei, Chu, Yan, and Qi) by 221 BCE, the King of Qin, Ying Zheng, unified China under one empire divided into 36 centrally-controlled commanderies. With control over much of China proper, he affirmed his enhanced prestige by taking the unprecedented title huangdi, or 'emperor', known thereafter as Qin Shi Huang (i.e. the first emperor of Qin). Han-era historians would accuse his regime of employing ruthless methods to preserve his rule.
Qin Shi Huang died of natural causes in 210 BCE. In 209 BCE, the conscription officers Chen Sheng and Wu Guang, leading 900 conscripts through the rain, failed to meet an arrival deadline; the Twenty-Four Histories claim that the Qin punishment for this delay would have been execution. To avoid this, Chen and Wu started a rebellion against Qin, known as the Dazexiang uprising, but they were thwarted by the Qin general Zhang Han in 208 BCE; both Wu and Chen were subsequently assassinated by their own soldiers. Yet by this point others had rebelled, among them Xiang Yu (d. 202 BCE) and his uncle Xiang Liang, men from a leading family of the Chu aristocracy. They were joined by Liu Bang, a man of peasant origin and supervisor of convicts in Pei County. Mi Xin, grandson of King Huai I of Chu, was declared King Huai II of Chu at his powerbase of Pengcheng (modern Xuzhou) with the support of the Xiangs, while other kingdoms soon formed in opposition to Qin. Despite this, in 208 BCE Xiang Liang was killed in a battle with Zhang Han, who subsequently attacked Zhao Xie the King of Zhao at his capital of Handan, forcing him to flee to Julu, which Zhang put under siege. However, the new kingdoms of Chu, Yan, and Qi came to Zhao's aid; Xiang Yu defeated Zhang at Julu and in 207 BCE forced Zhang to surrender.
While Xiang was occupied at Julu, King Huai II sent Liu Bang to capture the Qin heartland of Guanzhong with an agreement that the first officer to capture this region would become its king. In late 207 BCE, the Qin ruler Ziying, who had claimed the reduced title of King of Qin, had his chief eunuch Zhao Gao killed after Zhao had orchestrated the deaths of Chancellor Li Si in 208 BCE and the second Qin emperor Qin Er Shi in 207. Liu Bang gained Ziying's submission and secured the Qin capital of Xianyang; persuaded by his chief advisor Zhang Liang (d. 189 BCE) not to let his soldiers loot the city, he instead sealed up its treasury.
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History of the Han dynasty
The Han dynasty (201 BCE – 220 CE) was the second imperial dynasty of China. It followed the Qin dynasty, which had unified the Warring States of China by conquest. It was founded by Liu Bang (Emperor Gaozu). The dynasty is divided into two periods: the Western Han (202 BCE – 9 CE) and the Eastern Han (25–220 CE), interrupted briefly by the Xin dynasty (9–23 CE) of Wang Mang. These appellations are derived from the locations of the capital cities Chang'an and Luoyang, respectively. The third and final capital of the dynasty was Xuchang, where the court moved in 196 CE during a period of political turmoil and civil war.
The Han dynasty ruled in an era of Chinese cultural consolidation, political experimentation, relative economic prosperity and maturity, and great technological advances. There was unprecedented territorial expansion and exploration initiated by struggles with non-Chinese peoples, especially the nomadic Xiongnu of the Eurasian Steppe. The Han emperors were initially forced to acknowledge the rival Xiongnu Chanyus as their equals, yet in reality the Han was an inferior partner in a tributary and royal marriage alliance known as heqin.
This agreement was broken when Emperor Wu of Han (r. 141–87 BCE) launched a series of military campaigns which eventually caused the fissure of the Xiongnu Federation and redefined the borders of China. The Han realm was expanded into the Hexi Corridor of modern Gansu, the Tarim Basin of modern Xinjiang, modern Yunnan and Hainan, modern northern Vietnam, modern North Korea, and southern Outer Mongolia. The Han court established trade and tributary relations with rulers as far west as the Arsacids, to whose court at Ctesiphon in Mesopotamia the Han monarchs sent envoys. Buddhism first entered China during the Han, spread by missionaries from Parthia and the Kushan Empire of northern India and Central Asia.
From its beginning, the Han imperial court was threatened by plots of treason and revolt from its subordinate kingdoms, eventually ruled only by royal Liu family members. Initially, the eastern half of the empire was indirectly administered through large semi-autonomous kingdoms which pledged loyalty and a portion of their tax revenues to the Han emperors, who ruled directly over the western half of the empire from Chang'an. Gradual measures were introduced by the imperial court to reduce the size and power of these kingdoms, until a reform of the middle 2nd century BCE abolished their semi-autonomous rule and staffed the kings' courts with central government officials.
Yet much more volatile and consequential for the dynasty was the growing power of both consort clans (of the empress) and the eunuchs of the palace. In 92 CE, the eunuchs entrenched themselves for the first time in the issue of the emperors' succession, causing a series of political crises which culminated in 189 CE with their downfall and slaughter in the palaces of Luoyang. This event triggered an age of civil war as the country became divided by regional warlords vying for power. Finally, in 220 CE, the son of an imperial chancellor and king accepted the abdication of the last Han emperor, who was deemed to have lost the Mandate of Heaven according to Dong Zhongshu's (179–104 BCE) cosmological system that intertwined the fate of the imperial government with Heaven and the natural world. Following the Han, China was split into three states: Cao Wei, Shu Han, and Eastern Wu; these were re-consolidated into one empire by the Jin dynasty (266–420 CE).
The Zhou dynasty (c. 1056 – c. 256 BCE) had made the state of Qin in Western China as an outpost to breed horses and act as a defensive buffer against nomadic armies of the Rong, Qiang, and Di peoples. After conquering six Warring States (i.e. Han, Zhao, Wei, Chu, Yan, and Qi) by 221 BCE, the King of Qin, Ying Zheng, unified China under one empire divided into 36 centrally-controlled commanderies. With control over much of China proper, he affirmed his enhanced prestige by taking the unprecedented title huangdi, or 'emperor', known thereafter as Qin Shi Huang (i.e. the first emperor of Qin). Han-era historians would accuse his regime of employing ruthless methods to preserve his rule.
Qin Shi Huang died of natural causes in 210 BCE. In 209 BCE, the conscription officers Chen Sheng and Wu Guang, leading 900 conscripts through the rain, failed to meet an arrival deadline; the Twenty-Four Histories claim that the Qin punishment for this delay would have been execution. To avoid this, Chen and Wu started a rebellion against Qin, known as the Dazexiang uprising, but they were thwarted by the Qin general Zhang Han in 208 BCE; both Wu and Chen were subsequently assassinated by their own soldiers. Yet by this point others had rebelled, among them Xiang Yu (d. 202 BCE) and his uncle Xiang Liang, men from a leading family of the Chu aristocracy. They were joined by Liu Bang, a man of peasant origin and supervisor of convicts in Pei County. Mi Xin, grandson of King Huai I of Chu, was declared King Huai II of Chu at his powerbase of Pengcheng (modern Xuzhou) with the support of the Xiangs, while other kingdoms soon formed in opposition to Qin. Despite this, in 208 BCE Xiang Liang was killed in a battle with Zhang Han, who subsequently attacked Zhao Xie the King of Zhao at his capital of Handan, forcing him to flee to Julu, which Zhang put under siege. However, the new kingdoms of Chu, Yan, and Qi came to Zhao's aid; Xiang Yu defeated Zhang at Julu and in 207 BCE forced Zhang to surrender.
While Xiang was occupied at Julu, King Huai II sent Liu Bang to capture the Qin heartland of Guanzhong with an agreement that the first officer to capture this region would become its king. In late 207 BCE, the Qin ruler Ziying, who had claimed the reduced title of King of Qin, had his chief eunuch Zhao Gao killed after Zhao had orchestrated the deaths of Chancellor Li Si in 208 BCE and the second Qin emperor Qin Er Shi in 207. Liu Bang gained Ziying's submission and secured the Qin capital of Xianyang; persuaded by his chief advisor Zhang Liang (d. 189 BCE) not to let his soldiers loot the city, he instead sealed up its treasury.