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December 17
December 17
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December 17 is the 351st day of the year (352nd in leap years) in the Gregorian calendar; 14 days remain until the end of the year.

Events

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Pre-1600

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1601–1900

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1901–present

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Births

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Pre-1600

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1601–1900

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1901–present

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Deaths

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Pre-1600

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1601–1900

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1901–present

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Holidays and observances

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References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia
from Grokipedia
December 17 is the 351st day of the year (352nd in leap years) in the , with 14 days remaining until the end of the year. In the United States, it is designated as to commemorate the first sustained, controlled powered flight of a heavier-than-air craft, achieved by Orville and Wilbur on December 17, 1903, near , covering a distance of 120 feet in 12 seconds during the initial trial. This breakthrough, conducted on the dunes of Kill Devil Hills with a gasoline-engine glider, marked the inception of modern aviation and relied on the brothers' empirical innovations in , propeller design, and aerodynamic control derived from testing and glider experiments. The event, witnessed by five locals amid challenging winds, has been verified through the Wrights' diaries, photographs, and subsequent flights that day totaling over 1,000 feet, establishing causal foundations for aircraft stability absent in prior unmanned or uncontrolled attempts.

Events

Pre-1600

In 283, (also known as ) began his papacy as bishop of , succeeding Eutychian during a period of relative peace under Emperor Carinus before the . His reign lasted until 296, marked by efforts to organize the clergy, including decrees requiring priests to precede bishop ordinations, though exact start dates rely on later catalogues like the Liberian. On December 17, 546, during the Gothic War, Ostrogothic forces under King entered after a prolonged , bribing and overcoming the Byzantine garrison led by John, effectively sacking the city and destroying aqueducts to undermine defenses. This event, chronicled by , represented a significant setback for Byzantine Emperor Justinian I's reconquest of Italy, leading to widespread depopulation and economic ruin in the Eternal City. Romanos I Lekapenos was crowned co-emperor of on December 17, 920, alongside the underage , after maneuvering from regent to through marriage alliances and military support. As an Armenian peasant-turned-admiral, Romanos consolidated power by sidelining rivals like Leo Phokas, ruling effectively until 944 while promoting naval reforms and diplomacy with Arab powers. William Longsword, Count of Normandy since 927, was assassinated on December 17, 942, during peace talks with Arnulf I of Flanders at Picquigny, where he was ambushed and killed by Flemish forces amid territorial disputes over border regions. This Viking-descended ruler's death triggered succession struggles, eventually secured by his young son Richard I with aid from Norman loyalty and Carolingian intervention, shaping Normandy's feudal consolidation.

1601–1900

On December 17, 1666, the Philosophical Transactions of the Royal Society published the first documented account of a experiment, detailed in a letter from physician Richard Lower to chemist describing successful dog-to-dog transfusions using quills as conduits. Lower's work, conducted in , advanced early understandings of circulation following William Harvey's discoveries, though human applications remained experimental and risky for decades afterward. On December 17, 1777, French Foreign Minister Charles Gravier, Count of Vergennes, formally acknowledged the independence of the following the American victory at Saratoga, marking a pivotal shift in European support for the revolutionaries against Britain. This recognition, prompted by secret negotiations and the need to counter British power, preceded the 1778 Treaty of Alliance but signaled France's commitment to providing , loans, and naval forces that proved decisive in the war's outcome. During the , on December 17, 1862, Union Major General issued General Order No. 11, directing the expulsion of Jews "as a class" from the military Department of the , encompassing parts of , , and , due to perceived involvement in illegal cotton smuggling and trade violations undermining Union efforts. The order, rooted in Grant's frustration with wartime profiteering amid the , led to immediate expulsions and widespread protests, including from President Lincoln, who revoked it on January 4, 1863; Grant later expressed regret during his 1868 presidential campaign and as president sought reconciliation with Jewish communities.

1901–present

  • 1903: Orville Wright piloted the for the first sustained, controlled, powered flight of a heavier-than-air aircraft at Kill Devil Hills near , covering 120 feet (37 meters) in 12 seconds on the fourth and final flight of the day.
  • 1943: The U.S. Congress enacted the Magnuson Act, repealing the of 1882 and permitting Chinese immigrants to naturalize as U.S. citizens, though annual immigration quotas remained restrictive at 105 persons.
  • 1944: During the , troops under Kampfgruppe Peiper massacred 84 captured U.S. soldiers from Battery B, 285th Field Artillery Observation Battalion, at the Baugnez crossroads near , , in one of the largest single-unit killings of Americans by Germans in .
  • 1961: A fire at the Gran Circo Norteamericano in , , killed 323 people, including many children, after flames ignited the circus tent during a performance, exacerbated by locked exits and overcrowding.
  • 1991: Russian President and leaders of and announced that the would dissolve by the end of the year, following the Belavezha Accords and paving the way for the , with formal agreement reached later in Alma-Ata.

Births

Pre-1600

In 283, (also known as ) began his papacy as of , succeeding Eutychian during a period of relative peace under Emperor before the . His reign lasted until 296, marked by efforts to organize the clergy, including decrees requiring priests to precede bishop ordinations, though exact start dates rely on later catalogues like the Liberian. On December 17, 546, during the Gothic War, Ostrogothic forces under King entered after a prolonged , bribing and overcoming the Byzantine garrison led by John, effectively sacking the city and destroying aqueducts to undermine defenses. This event, chronicled by , represented a significant setback for Byzantine Justinian I's reconquest of , leading to widespread depopulation and economic ruin in the Eternal City. Romanos I Lekapenos was crowned co-emperor of on December 17, 920, alongside the underage , after maneuvering from regent to through marriage alliances and military support. As an Armenian peasant-turned-admiral, Romanos consolidated power by sidelining rivals like Leo Phokas, ruling effectively until 944 while promoting naval reforms and diplomacy with Arab powers. William Longsword, Count of Normandy since 927, was assassinated on December 17, 942, during peace talks with Arnulf I of Flanders at Picquigny, where he was ambushed and killed by Flemish forces amid territorial disputes over border regions. This Viking-descended ruler's death triggered succession struggles, eventually secured by his young son Richard I with aid from Norman loyalty and Carolingian intervention, shaping Normandy's feudal consolidation.

1601–1900

On December 17, 1666, the Philosophical Transactions of the Royal Society published the first documented account of a experiment, detailed in a letter from physician Richard Lower to chemist describing successful dog-to-dog transfusions using quills as conduits. Lower's work, conducted in , advanced early understandings of circulation following William Harvey's discoveries, though human applications remained experimental and risky for decades afterward. On December 17, 1777, French Foreign Minister Charles Gravier, Count of Vergennes, formally acknowledged the independence of the following the American victory at Saratoga, marking a pivotal shift in European support for the revolutionaries against Britain. This recognition, prompted by secret negotiations and the need to counter British power, preceded the 1778 Treaty of Alliance but signaled France's commitment to providing military aid, loans, and naval forces that proved decisive in the war's outcome. During the , on December 17, 1862, Union Major General issued General Order No. 11, directing the expulsion of Jews "as a class" from the military Department of the , encompassing parts of , , and , due to perceived involvement in illegal cotton smuggling and trade violations undermining Union efforts. The order, rooted in Grant's frustration with wartime profiteering amid the , led to immediate expulsions and widespread protests, including from President Lincoln, who revoked it on January 4, 1863; Grant later expressed regret during his 1868 presidential campaign and as president sought reconciliation with Jewish communities.

1901–present

  • 1903: Orville Wright piloted the for the first sustained, controlled, powered flight of a heavier-than-air at Kill Devil Hills near , covering 120 feet (37 meters) in 12 seconds on the fourth and final flight of the day.
  • 1943: The U.S. Congress enacted the Magnuson Act, repealing the of 1882 and permitting Chinese immigrants to naturalize as U.S. citizens, though annual immigration quotas remained restrictive at 105 persons.
  • 1944: During the , troops under Kampfgruppe Peiper massacred 84 captured U.S. soldiers from Battery B, 285th Field Artillery Observation Battalion, at the Baugnez crossroads near , , in one of the largest single-unit killings of Americans by Germans in .
  • 1961: A fire at the Gran Circo Norteamericano in , , killed 323 people, including many children, after flames ignited the circus tent during a performance, exacerbated by locked exits and overcrowding.
  • 1991: Russian President and leaders of and announced that the would dissolve by the end of the year, following the Belavezha Accords and paving the way for the , with formal agreement reached later in Alma-Ata.

Deaths

Pre-1600

In 283, (also known as ) began his papacy as of , succeeding Eutychian during a period of relative peace under Emperor before the . His reign lasted until 296, marked by efforts to organize the clergy, including decrees requiring priests to precede bishop ordinations, though exact start dates rely on later catalogues like the Liberian. On December 17, 546, during the Gothic War, Ostrogothic forces under King entered after a prolonged , bribing and overcoming the Byzantine garrison led by John, effectively sacking the city and destroying aqueducts to undermine defenses. This event, chronicled by , represented a significant setback for Byzantine Justinian I's reconquest of , leading to widespread depopulation and economic ruin in the Eternal City. Romanos I Lekapenos was crowned co-emperor of on December 17, 920, alongside the underage , after maneuvering from regent to through marriage alliances and military support. As an Armenian peasant-turned-admiral, Romanos consolidated power by sidelining rivals like Leo Phokas, ruling effectively until 944 while promoting naval reforms and diplomacy with powers. William Longsword, Count of Normandy since 927, was assassinated on December 17, 942, during peace talks with Arnulf I of Flanders at Picquigny, where he was ambushed and killed by Flemish forces amid territorial disputes over border regions. This Viking-descended ruler's death triggered succession struggles, eventually secured by his young son Richard I with aid from Norman loyalty and Carolingian intervention, shaping Normandy's feudal consolidation.

1601–1900

On December 17, 1666, the Philosophical Transactions of the Royal Society published the first documented account of a experiment, detailed in a letter from physician Richard Lower to chemist describing successful dog-to-dog transfusions using quills as conduits. Lower's work, conducted in , advanced early understandings of circulation following William Harvey's discoveries, though human applications remained experimental and risky for decades afterward. On December 17, 1777, French Foreign Minister Charles Gravier, Count of Vergennes, formally acknowledged the independence of the following the American victory at Saratoga, marking a pivotal shift in European support for the revolutionaries against Britain. This recognition, prompted by secret negotiations and the need to counter British power, preceded the 1778 Treaty of Alliance but signaled France's commitment to providing , loans, and naval forces that proved decisive in the war's outcome. During the , on December 17, 1862, Union Major General issued General Order No. 11, directing the expulsion of Jews "as a class" from the military Department of the , encompassing parts of , , and , due to perceived involvement in illegal cotton smuggling and trade violations undermining Union efforts. The order, rooted in Grant's frustration with wartime profiteering amid the , led to immediate expulsions and widespread protests, including from President Lincoln, who revoked it on January 4, 1863; Grant later expressed regret during his 1868 presidential campaign and as president sought reconciliation with Jewish communities.

1901–present

  • 1903: Orville Wright piloted the for the first sustained, controlled, powered flight of a heavier-than-air at Kill Devil Hills near , covering 120 feet (37 meters) in 12 seconds on the fourth and final flight of the day.
  • 1943: The U.S. Congress enacted the Magnuson Act, repealing the of 1882 and permitting Chinese immigrants to naturalize as U.S. citizens, though annual immigration quotas remained restrictive at 105 persons.
  • 1944: During the , troops under Kampfgruppe Peiper massacred 84 captured U.S. soldiers from Battery B, 285th Field Artillery Observation Battalion, at the Baugnez crossroads near , , in one of the largest single-unit killings of by in .
  • 1961: A fire at the Gran Circo Norteamericano in , , killed 323 people, including many children, after flames ignited the circus tent during a performance, exacerbated by locked exits and overcrowding.
  • 1991: Russian President Boris Yeltsin and leaders of Ukraine and Belarus announced that the Soviet Union would dissolve by the end of the year, following the Belavezha Accords and paving the way for the Commonwealth of Independent States, with formal agreement reached later in Alma-Ata.

Holidays and Observances

Religious Observances

In the Roman Catholic Church, December 17 marks the start of the Greater Antiphons (O Antiphons), a series of seven ancient liturgical texts recited or sung at Vespers each evening through December 23, drawing from messianic prophecies in the Book of Isaiah to invoke Christ under titles such as Wisdom, Lord, Root of Jesse, Key of David, Rising Dawn, King of Nations, and Emmanuel. The practice dates to at least the eighth century in monastic traditions and emphasizes Advent's theme of expectant waiting for the Incarnation. This day also serves as the optional memorial for Saint John of Matha (died 1213), a French priest who founded the Trinitarian Order in 1198 to ransom Christian captives from Muslim enslavement during the Crusades, an effort that reportedly freed thousands through negotiation and self-sacrifice. In the , December 17 commemorates the Prophet Daniel and the Three Holy Youths—Hananiah, , and Mishael (also known as )—figures from the who exemplify faithfulness amid persecution, including their survival in the fiery furnace under around the sixth century BCE. The observance highlights themes of divine protection and resistance to , with liturgical readings from Daniel's prophecies. Other religious traditions lack major fixed observances on this Gregorian date, though lunar calendars may align variable practices such as Pradosh Vrat—a bimonthly Hindu fast honoring Shiva for prosperity and obstacle removal—with December 17 in certain years.

National Holidays

Bhutan's National Day, known as Gyalyon Tshuenjo, is observed annually on December 17 to commemorate the coronation of Ugyen Wangchuck as the country's first hereditary king in 1907, which unified Bhutan under a centralized monarchy and laid the foundation for its modern governance structure. This event marked the transition from a system of decentralized theocratic rule to a hereditary monarchy, with Ugyen Wangchuck elected by clerical and regional leaders amid British influence in the region, though Bhutan retained sovereignty through subsequent treaties. The holiday is a public occasion across , featuring official ceremonies in the capital, , at , where the king delivers an address, and traditional performances showcase Bhutanese arts, including masked dances, , and competitions—national sports symbolizing precision and cultural heritage. Schools and government offices close, allowing participation in nationwide events that emphasize principles, with regional celebrations incorporating local customs and tributes to the royal family. While primarily a Bhutanese observance, December 17 also aligns with secondary public holidays in a few other nations, such as Bahrain's extended National Day observances tied to the ruling family's accession on , 1971, which may spill into the 17th with parades and fireworks in . In , Revolution and Youth Day honors 1964 student-led protests against authoritarian policies, marked by youth seminars and official commemorations but not designated as the primary national holiday. These are distinct from full sovereign national days and reflect specific historical milestones rather than foundational independence events.

Secular and Cultural Observances

Wright Brothers Day, established by U.S. federal law under 36 U.S.C. § 143, commemorates the first successful powered, controlled flight of a heavier-than-air aircraft on December 17, 1903, achieved by Orville and Wilbur Wright at Kill Devil Hills, North Carolina. The Wright Flyer I covered 120 feet (37 meters) in 12 seconds during its maiden flight, marking a pivotal advancement in aviation history through the brothers' empirical experimentation with wing design, control systems, and propulsion. U.S. presidents issue annual proclamations recognizing the day, emphasizing its role in fostering technological innovation and global air travel. Celebrations, organized by the National Park Service at Wright Brothers National Memorial, feature replica flights, lectures on aeronautical engineering, and public demonstrations of early flight principles. National Maple Syrup Day, an unofficial observance primarily in the United States and Canada, highlights the cultural and economic significance of maple syrup production from sap harvested from maple trees, predominantly Acer saccharum. The process involves boiling sap to evaporate water, yielding approximately 40 liters of sap per liter of syrup, with production peaking in late winter across northeastern North America where over 80% of global supply originates. Participants typically enjoy pure maple syrup on pancakes, waffles, or in baking, underscoring its distinction from artificial imitations through flavor compounds like vanillin formed during evaporation. The International Day to End Violence Against Sex Workers, observed since 2003 by advocacy groups, originated as a in , Washington, memorializing victims of the Green River Killer, , who confessed to murdering 49 individuals, many sex workers, between 1982 and 1998. Initiated by sex workers and allies including , the day draws attention to ongoing violence, with data indicating sex workers face homicide rates up to 45 times higher than the general population in some regions due to and stigma. Global activities include red umbrella symbolism for resistance, candlelight , and calls for to enhance safety through legal protections and healthcare access, though proponents note from pilot programs shows mixed outcomes on violence reduction without broader social reforms. Kurdistan Flag Day, designated by the Kurdistan Regional Parliament in 2004, honors the Kurdish flag—featuring red, white, and green stripes with a yellow sun —as a emblem of ethnic identity, autonomy aspirations, and historical resistance against assimilation. The date aligns with parliamentary recognition efforts post-1991 autonomy gains in northern , where number approximately 6 million in the region. Observances in and other cities involve flag-hoisting ceremonies, cultural performances, and speeches emphasizing unity amid geopolitical challenges, with communities worldwide participating via and local events.

References

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