December 9

December 9 is the 343rd day of the year (344th in leap years) in the Gregorian calendar; 22 days remain until the end of the year.

• 536 – Gothic War: The Byzantine general Belisarius enters Rome unopposed; the Gothic garrison flees the capital.
• 730 – Battle of Marj Ardabil: The Khazars annihilate an Umayyad army and kill its commander, al-Jarrah ibn Abdallah al-Hakami.
• 1432 – The first battle between the forces of Švitrigaila and Sigismund Kęstutaitis is fought near the town of Oszmiana (Ashmyany), launching the most active phase of the Lithuanian Civil War.
• 1531 – The Virgin of Guadalupe first appears to Juan Diego at Tepeyac, Mexico City.

• 1636 – The Qing dynasty of China, led by Emperor Hong Taiji, invades Joseon.
• 1688 – Glorious Revolution: Williamite forces defeat Jacobites at Battle of Reading, forcing James II to flee England. (Date is Old Style; the date in the New Style modern calendar is 19 December.)
• 1775 – American Revolutionary War: British troops and Loyalists, misinformed about Patriot militia strength, lose the Battle of Great Bridge, ending British rule in Virginia.
• 1822 – French physicist Augustin-Jean Fresnel, in a memoir read to the Academy of Sciences, coins the terms linear polarization, circular polarization, and elliptical polarization, and reports a direct refraction experiment verifying his theory that optical rotation is a form of birefringence.
• 1824 – Patriot forces led by General Antonio José de Sucre defeat a Royalist army in the Battle of Ayacucho, putting an end to the Peruvian War of Independence.
• 1835 – Texas Revolution: The Texian Army captures San Antonio following the Siege of Béxar.
• 1851 – The first YMCA in North America is established in Montreal.
• 1856 – The Iranian city of Bushehr surrenders to occupying British forces.
• 1861 – American Civil War: The Joint Committee on the Conduct of the War is established by Congress.
• 1868 – The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
• 1872 – In Louisiana, P. B. S. Pinchback becomes the first African American governor of a U.S. state following the impeachment of Henry C. Warmoth.
• 1893 – National Assembly bombing by Auguste Vaillant during the Ère des attentats (1892-1894).

• 1905 – In France, a law separating church and state is passed.
• 1911 – A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
• 1917 – World War I: Field Marshal Allenby captures Jerusalem from the Ottoman Empire.
• 1917 – World War I: The Kingdom of Romania signs the Armistice of Focșani with the Central Powers.
• 1922 – Gabriel Narutowicz is elected the first president of Poland.
• 1931 – The Constituent Cortes approves a constitution which establishes the Second Spanish Republic.
• 1935 – Student protests occur in Beijing's Tiananmen Square, and are subsequently dispersed by government authorities.
• 1935 – Walter Liggett, an American newspaper editor and muckraker, is killed in a gangland murder.
• 1937 – Second Sino-Japanese War: Battle of Nanking: Japanese troops under the command of Lt. Gen. Yasuhiko Asaka launch an assault on the Chinese city of Nanking.
• 1940 – World War II: Operation Compass: British and Indian troops under the command of Major-General Richard O'Connor attack Italian forces near Sidi Barrani in Egypt.
• 1941 – World War II: China, Cuba, Guatemala, and the Philippine Commonwealth declare war on Germany and Japan.
• 1941 – World War II: The American 19th Bombardment Group attacks Japanese ships off the coast of Vigan, Luzon.
• 1946 – The subsequent Nuremberg trials begin with the Doctors' Trial, prosecuting physicians and officers alleged to be involved in Nazi human experimentation and mass murder under the guise of euthanasia.
• 1946 – The Constituent Assembly of India meets for the first time to write the Constitution of India.
• 1948 – The Genocide Convention is adopted.
• 1950 – Cold War: Harry Gold is sentenced to 30 years in jail for helping Klaus Fuchs pass information about the Manhattan Project to the Soviet Union. His testimony is later instrumental in the prosecution of Julius and Ethel Rosenberg.
• 1953 – Red Scare: General Electric announces that all communist employees will be discharged from the company.
• 1956 – Trans-Canada Air Lines Flight 810-9, a Canadair North Star, crashes near Hope, British Columbia, Canada, killing all 62 people on board.
• 1956 – An Aeroflot Lisunov Li-2 crashes near Anadyr, killing all 12 people on board.
• 1960 – The first episode of Coronation Street, the world's longest-running television soap opera, is broadcast in the United Kingdom.
• 1961 – Tanganyika becomes independent from Britain.
• 1965 – Kecksburg UFO incident: A fireball is seen from Michigan to Pennsylvania; with witnesses reporting something crashing in the woods near Pittsburgh.
• 1968 – Douglas Engelbart gave what became known as "The Mother of All Demos", publicly debuting the computer mouse, hypertext, and the bit-mapped graphical user interface using the oN-Line System (NLS).
• 1969 – U.S. Secretary of State William P. Rogers proposes his plan for a ceasefire in the War of Attrition; Egypt and Jordan accept it over the objections of the PLO, which leads to civil war in Jordan in September 1970.
• 1971 – Indo-Pakistani War: The Indian Air Force executes an airdrop of Indian Army units, bypassing Pakistani defences.
• 1973 – British and Irish authorities sign the Sunningdale Agreement in an attempt to establish a power-sharing Northern Ireland Executive and a cross-border Council of Ireland.
• 1979 – The eradication of the smallpox virus is certified, making smallpox the first of only two diseases that have been driven to extinction (with rinderpest in 2011 being the other).
• 1987 – Israeli–Palestinian conflict: The First Intifada begins in the Gaza Strip and West Bank.
• 1992 – American troops land in Somalia for Operation Restore Hope.
• 1996 – Gwen Jacob is acquitted of committing an indecent act, giving women the right to be topless in Ontario, Canada.
• 2003 – A blast in the center of Moscow kills six people and wounds several more.
• 2006 – Space Shuttle program: Space Shuttle Discovery is launched on STS-116 carrying the P5 truss segment of the International Space Station.
• 2008 – Governor of Illinois Rod Blagojevich is arrested by federal officials for crimes including attempting to sell the U.S. Senate seat being vacated by President-elect Barack Obama.
• 2012 – A plane crash in Mexico kills seven people including singer Jenni Rivera.
• 2013 – At least seven are dead and 63 are injured following a train accident near Bintaro, Indonesia.
• 2016 – President Park Geun-hye of South Korea is impeached by the country's National Assembly in response to a major political scandal.
• 2016 – At least 57 people are killed and a further 177 injured when two schoolgirl suicide bombers attack a market area in Madagali, Adamawa, Nigeria in the Madagali suicide bombings.
• 2017 – The Marriage Amendment Bill receives royal assent and comes into effect, making Australia the 26th country to legalize same-sex marriage.
• 2019 – A volcano on Whakaari / White Island, New Zealand, kills 22 people after it erupts.
• 2021 – Fifty-five people are killed and more than 100 injured when a truck with 160 migrants from Central America overturned in Chiapas, Mexico.

• 1392 – Peter, Duke of Coimbra (d. 1449)
• 1447 – Chenghua Emperor of China (d. 1487)
• 1482 – Frederick II, Elector Palatine (d. 1556)
• 1493 – Íñigo López de Mendoza, 4th Duke of the Infantado (d. 1566)
• 1508 – Gemma Frisius, Dutch mathematician and cartographer (d. 1555)
• 1561 – Edwin Sandys, English lawyer and politician (d. 1629)
• 1571 – Metius, Dutch mathematician and astronomer (d. 1635)
• 1579 – Martin de Porres, Peruvian saint (d. 1639)
• 1594 – Gustavus Adolphus of Sweden (d. 1632)

• 1608 – John Milton, English poet and philosopher (d. 1674)
• 1610 – Baldassare Ferri, Italian singer and actor (d. 1680)
• 1617 – Richard Lovelace, English poet (d. 1657)
• 1652 – Augustus Quirinus Rivinus, German physician and botanist (d. 1723)
• 1667 – William Whiston, English mathematician, historian, and theologian (d. 1752)
• 1717 – Johann Joachim Winckelmann, German archaeologist and historian (d. 1768)
• 1721 – Peter Pelham, English-American organist and composer (d. 1805)
• 1728 – Pietro Alessandro Guglielmi, Italian composer (d. 1804)
• 1742 – Carl Wilhelm Scheele, Swedish Pomeranian and German pharmaceutical chemist (d. 1786)
• 1745 – Maddalena Laura Sirmen, Italian violinist and composer (d. 1818)
• 1748 – Claude Louis Berthollet, French chemist and academic (d. 1822)
• 1752 – Antoine Étienne de Tousard, French general and engineer (d. 1813)
• 1768 – Joseph Desha, American politician (d. 1842)
• 1787 – John Dobson, English architect, designed Eldon Square and Lilburn Tower (d. 1865)
• 1779 – Tabitha Babbitt, American tool maker and inventor (d. 1853)
• 1806 – Jean-Olivier Chénier, Canadian physician (d. 1838)
• 1813 – Thomas Andrews, Irish chemist and physicist (d. 1885)
• 1837 – Émile Waldteufel, French pianist, composer, and conductor (d. 1915)
• 1842 – Peter Kropotkin, Russian zoologist, economist, geographer, and philosopher (d. 1921)
• 1845 – Joel Chandler Harris, American journalist and author (d. 1908)
• 1850 – Emma Abbott, American soprano and actress (d. 1891)
• 1861 – Hélène Smith, French psychic and occultist (d. 1929)
• 1867 – Gregorios Xenopoulos, Greek journalist and author (d. 1951)
• 1868 – Fritz Haber, Polish-German chemist and academic, Nobel Prize laureate (d. 1934)
• 1870 – Ida S. Scudder, Indian physician and missionary (d. 1960)
• 1870 – Francisco S. Carvajal, Mexican lawyer and politician, president 1914 (d. 1932)
• 1871 – Joe Kelley, American baseball player and manager (d. 1943)
• 1873 – George Blewett, Canadian philosopher, author, and academic (d. 1912)
• 1875 – Harry Miller, American engineer (d. 1943)
• 1876 – Berton Churchill, Canadian-American actor and singer (d. 1940)
• 1882 – Elmer Booth, American actor (d. 1915)
• 1882 – Joaquín Turina, Spanish-French composer, critic, and educator (d. 1949)
• 1883 – Nikolai Luzin, Russian mathematician, theorist, and academic (d. 1950)
• 1883 – Alexander Papagos, Greek general and politician, 152nd Prime Minister of Greece (d. 1955)
• 1883 – Joseph Pilates, German-American fitness expert, developed Pilates (d. 1967)
• 1886 – Clarence Birdseye, American businessman, founded Birds Eye (d. 1956)
• 1887 – Tim Moore, American actor (d. 1958)
• 1889 – Hannes Kolehmainen, Finnish-American runner (d. 1966)
• 1890 – Laura Salverson, Canadian author (d. 1970)
• 1891 – Maksim Bahdanovič, Belarusian poet and critic (d. 1917)
• 1892 – André Randall, French actor (d. 1974)
• 1895 – Dolores Ibárruri, Spanish activist, journalist and politician (d. 1989)
• 1895 – Conchita Supervía, Spanish soprano and actress (d. 1936)
• 1897 – Hermione Gingold, English actress and singer (d. 1987)
• 1898 – Irene Greenwood, Australian radio broadcaster and feminist and peace activist (d. 1992)
• 1898 – Emmett Kelly, American clown and actor (d. 1979)
• 1899 – Jean de Brunhoff, French author and illustrator (d. 1937)
• 1900 – Margaret Brundage, American illustrator, known for illustrating pulp magazine Weird Tales (d. 1976)
• 1900 – Albert Weisbord, American activist, founded the Communist League of Struggle (d. 1977)

• 1901 – Jean Mermoz, French pilot and politician (d. 1936)
• 1901 – Ödön von Horváth, Hungarian-German author and playwright (d. 1938)
• 1902 – Margaret Hamilton, American schoolteacher, actress and voice artist (d. 1985)
• 1904 – Robert Livingston, American actor and singer (d. 1988)
• 1905 – Dalton Trumbo, American author, screenwriter, and blacklistee (d. 1976)
• 1906 – Grace Hopper, American admiral and computer scientist, designed COBOL (d. 1992)
• 1906 – Freddy Martin, American bandleader and tenor saxophonist (d. 1983)
• 1909 – Douglas Fairbanks Jr., American captain, actor, and producer (d. 2000)
• 1910 – Vere Bird, first Prime Minister of Antigua and Barbuda (d. 1999)
• 1911 – Broderick Crawford, American actor (d. 1986)
• 1911 – Ryūzō Sejima, Japanese colonel and businessman (d. 2007)
• 1912 – Tip O'Neill, American lawyer and politician, 55th Speaker of the United States House of Representatives (d. 1994)
• 1912 – Jim Turnesa, American golfer (d. 1971)
• 1914 – Max Manus, Norwegian lieutenant (d. 1996)
• 1914 – Frances Reid, American actress (d. 2010)
• 1914 – Ljubica Sokić, Serbian painter and illustrator (d. 2009)
• 1915 – Eloise Jarvis McGraw, American author (d. 2000)
• 1915 – Elisabeth Schwarzkopf, German-Austrian soprano and actress (d. 2006)
• 1916 – Jerome Beatty Jr., American soldier, journalist, and author (d. 2002)
• 1916 – Kirk Douglas, American actor, singer, and producer (d. 2020)
• 1916 – Colin McCool, Australian cricketer (d. 1986)
• 1917 – James Jesus Angleton, American CIA agent (d. 1987)
• 1917 – James Rainwater, American physicist and academic, Nobel Prize laureate (d. 1986)
• 1919 – V. Dakshinamoorthy, Indian singer-songwriter (d. 2013)
• 1919 – William Lipscomb, American chemist and academic, Nobel Prize laureate (d. 2011)
• 1920 – Carlo Azeglio Ciampi, Italian economist and politician, 10th President of Italy (d. 2016)
• 1920 – Bruno Ruffo, Italian motorcycle racer and race car driver (d. 2007)
• 1922 – Redd Foxx, American actor (d. 1991)
• 1925 – Roy Rubin, American basketball player and coach (d. 2013)
• 1926 – Henry Way Kendall, American physicist, photographer, and mountaineer, Nobel Prize laureate (d. 1999)
• 1926 – Jan Křesadlo, Czech-English psychologist and author (d. 1995)
• 1926 – David Nathan, British journalist (d. 2001)
• 1926 – Lorenzo Wright, American sprinter and coach (d. 1972)
• 1927 – Pierre Henry, French composer (d. 2017)
• 1928 – Joan Blos, American author and educator (d. 2017)
• 1928 – André Milhoux, Belgian race car driver
• 1928 – Dick Van Patten, American actor (d. 2015)
• 1929 – John Cassavetes, American actor, director, and screenwriter (d. 1989)
• 1929 – Bob Hawke, Australian union leader and politician, 23rd Prime Minister of Australia (d. 2019)
• 1930 – Buck Henry, American actor, director, and screenwriter (d. 2020)
• 1930 – Óscar Humberto Mejía Víctores, Guatemalan soldier and politician, 27th President of Guatemala (d. 2016)
• 1931 – Cliff Hagan, American basketball player-coach
• 1931 – William Reynolds, American actor (d. 2022)
• 1931 – Ladislav Smoljak, Czech actor, director, and screenwriter (d. 2010)
• 1932 – Donald Byrd, American trumpet player and academic (d. 2013)
• 1932 – Bill Hartack, American jockey (d. 2007)
• 1932 – Billy Edd Wheeler, American singer-songwriter, guitarist, and playwright (d. 2024)
• 1933 – Ashleigh Brilliant, English-American author and illustrator
• 1933 – Milt Campbell, American decathlete and football player (d. 2012)
• 1933 – Morton Downey Jr., American actor and talk show host (d. 2001)
• 1933 – Orville Moody, American golfer (d. 2008)
• 1934 – Judi Dench, English actress
• 1934 – Alan Ridout, English composer and teacher (d. 1996)
• 1934 – Junior Wells, American blues singer-songwriter and harmonica player (d. 1998)
• 1935 – David Houston, American singer-songwriter and guitarist (d. 1993)
• 1938 – Deacon Jones, American football player, sportscaster, and actor (d. 2013)
• 1938 – Dimitrios Trichopoulos, Greek epidemiologist, oncologist, and academic (d. 2014)
• 1940 – Clancy Eccles, Jamaican singer-songwriter and producer (d. 2005)
• 1941 – Mehmet Ali Birand, Turkish journalist and author (d. 2013)
• 1941 – Beau Bridges, American actor, director, and producer
• 1941 – Dan Hicks, American singer-songwriter and guitarist (d. 2016)
• 1942 – Billy Bremner, Scottish footballer and manager (d. 1997)
• 1942 – Dick Butkus, American football player, sportscaster, and actor (d. 2023)
• 1942 – Germain Gagnon, Canadian ice hockey player (d. 2014)
• 1942 – Fred Jones, Australian rugby league player (d. 2021)
• 1942 – Joe McGinniss, American journalist and author (d. 2014)
• 1942 – William Turnage, American conservationist (d. 2017)
• 1943 – Pit Martin, Canadian ice hockey player (d. 2008)
• 1943 – Joanna Trollope, English author, playwright, and director
• 1943 – Kenny Vance, American singer-songwriter and music producer
• 1944 – Neil Innes, English singer-songwriter (d. 2019)
• 1944 – Ki Longfellow, American author, playwright, and producer (d. 2022)
• 1944 – Bob O'Connor, American businessman and politician, 57th Mayor of Pittsburgh (d. 2006)
• 1945 – Michael Nouri, American actor
• 1946 – David Currie, Baron Currie of Marylebone, English economist and academic
• 1946 – Dennis Dunaway, American bass player and songwriter
• 1946 – Sonia Gandhi, Italian-Indian politician
• 1946 – Nicholas Reade, English bishop
• 1947 – Tom Daschle, American soldier, academic, and politician
• 1947 – Jaak Jõerüüt, Estonian politician, 24th Estonian Minister of Defense
• 1947 – Allan Jones, English cricketer and umpire
• 1948 – Marleen Gorris, Dutch director and screenwriter
• 1948 – Jonathan Sumption, English historian, author, and judge
• 1949 – Tom Kite, American golfer and architect
• 1950 – Joan Armatrading, Kittian-English singer-songwriter and guitarist
• 1952 – Liaqat Baloch, Pakistani politician
• 1952 – Michael Dorn, American actor and voice artist
• 1953 – Cornelis de Bondt, Dutch composer and educator
• 1953 – World B. Free, American basketball player
• 1953 – John Malkovich, American actor and producer
• 1954 – Jean-Claude Juncker, Luxembourger lawyer and politician, Prime Minister of Luxembourg
• 1954 – Henk ten Cate, Dutch footballer and manager
• 1955 – Otis Birdsong, American basketball player and radio host
• 1955 – Chamras Saewataporn, Thai singer-songwriter
• 1956 – Sylvia, American country singer-songwriter
• 1956 – Jean-Pierre Thiollet, French journalist and author
• 1957 – Peter O'Mara, Australian guitarist and composer
• 1957 – Donny Osmond, American singer-songwriter, dancer, and actor
• 1957 – Steve Taylor, American singer-songwriter and producer
• 1959 – Susan Bullock, English soprano
• 1959 – Mario Cantone, American comedian, actor, and writer
• 1960 – Stefen Fangmeier, American visual effects designer and director
• 1960 – Caroline Lucas, English activist and politician
• 1960 – Dobroslav Paraga, Croatian politician
• 1960 – Juan Samuel, Dominican baseball player and manager
• 1961 – David Anthony Higgins, American actor and screenwriter
• 1961 – Joe Lando, American actor
• 1962 – Felicity Huffman, American actress and producer
• 1962 – Roxanne Swentzell, Santa Clara Pueblo (Native American) ceramic sculptor
• 1963 – Dave Hilton Jr., Canadian boxer
• 1963 – Empress Masako, Japanese consort of Emperor Naruhito
• 1964 – Michael Foster, American drummer
• 1964 – Ross Harrington, Australian rugby league player
• 1964 – Hape Kerkeling, German actor and singer
• 1964 – Johannes B. Kerner, German journalist and sportscaster
• 1964 – Les Kiss, Australian rugby league player
• 1964 – Paul Landers, German guitarist
• 1965 – Joe Ausanio, American baseball player and coach
• 1966 – Kirsten Gillibrand, American lawyer and politician
• 1966 – Dave Harold, English snooker player
• 1966 – Gideon Sa'ar, Israeli lawyer and politician, 24th Israeli Minister of Internal Affairs
• 1966 – Martin Taylor, English footballer and coach
• 1967 – Joshua Bell, American violinist and conductor
• 1967 – Jason Dozzell, English footballer and manager
• 1968 – Kurt Angle, American freestyle and professional wrestler
• 1968 – Brian Bell, American singer-songwriter and guitarist
• 1968 – Brent Price, American basketball player
• 1969 – Jakob Dylan, American singer-songwriter and guitarist
• 1969 – Saskia Garel, Jamaican-Canadian singer-songwriter
• 1969 – Lori Greiner, American businesswoman and television personality
• 1969 – Annick Lambrecht, Belgian politician
• 1969 – Bixente Lizarazu, French footballer
• 1969 – Raphaël Rouquier, French mathematician and academic
• 1969 – Allison Smith, American actress
• 1970 – Kara DioGuardi, American singer-songwriter and producer
• 1970 – Lance Krall, American actor, director, producer, and screenwriter
• 1971 – Geoff Barrow, English drummer, DJ, composer, and producer
• 1971 – Nick Hysong, American pole vaulter and coach
• 1971 – Petr Nedvěd, Czech-Canadian ice hockey player
• 1972 – Reiko Aylesworth, American actress
• 1972 – Tré Cool, German-American drummer and songwriter
• 1972 – Michael Corcoran, American singer-songwriter and producer
• 1972 – Fabrice Santoro, Tahitian-French tennis player and sportscaster
• 1972 – Saima Wazed, Bangladeshi psychologist
• 1973 – Stacey Abrams, American politician and activist
• 1973 – Fabio Artico, Italian footballer
• 1973 – Vénuste Niyongabo, Burundian runner
• 1973 – Bárbara Padilla, Mexican-American soprano
• 1974 – David Akers, American football player
• 1974 – Canibus, Jamaican-American rapper
• 1974 – Aloísio da Silva Filho, Brazilian footballer
• 1974 – Wendy Dillinger, American soccer player, coach, and manager
• 1974 – Fiona MacDonald, Scottish curler
• 1976 – Mona Hanna-Attisha, American pediatrician, professor, and public health advocate
• 1977 – Shayne Graham, American football player
• 1977 – Imogen Heap, English singer-songwriter and keyboard player
• 1978 – Gastón Gaudio, Argentinian tennis player
• 1978 – Jesse Metcalfe, American actor and musician
• 1979 – Olivia Lufkin, Japanese-American singer-songwriter
• 1979 – Stephen McPhail, Irish footballer
• 1979 – Aiko Uemura, Japanese skier
• 1980 – Simon Helberg, American actor, comedian, and musician
• 1980 – Ryder Hesjedal, Canadian cyclist
• 1980 – Mark Riddell, Australian rugby league player and sportscaster
• 1981 – Mardy Fish, American tennis player
• 1982 – Tamilla Abassova, Russian cyclist
• 1982 – Nathalie De Vos, Belgian runner
• 1982 – Ryan Grant, American football player
• 1982 – Jim Slater, American ice hockey player
• 1982 – Bastian Swillims, German sprinter
• 1983 – Jermaine Beckford, English-Jamaican footballer
• 1983 – Neslihan Demir Darnel, Turkish volleyball player
• 1983 – Dariusz Dudka, Polish footballer
• 1983 – Jolene Purdy, American actress
• 1984 – Ángel Guirado, Spanish–Filipino footballer
• 1984 – Leon Hall, American football player
• 1985 – Wil Besseling, Dutch golfer
• 1986 – Aron Baynes, Australian basketball player
• 1987 – Kostas Giannoulis, Greek footballer
• 1987 – Gerald Henderson Jr., American basketball player
• 1987 – Mat Latos, American baseball player
• 1987 – Hikaru Nakamura, Japanese-American chess player
• 1987 – Jeff Petry, American ice hockey player
• 1987 – Joshua Sasse, English actor
• 1988 – Kwadwo Asamoah, Ghanaian footballer
• 1989 – Eric Bledsoe, American basketball player
• 1990 – Ashleigh Brewer, Australian actress
• 1990 – Denise Hannema, Dutch cricketer
• 1991 – Langston Galloway, American basketball player
• 1991 – Choi Min-ho, South Korean singer and actor
• 1993 – Cem Ince, German politician
• 1993 – Mark McMorris, Canadian snowboarder
• 1993 – Laura Smulders, Dutch cyclist
• 1994 – Ryan Lomberg, Canadian ice hockey player
• 1995 – Simone Fontecchio, Italian basketball player
• 1995 – McKayla Maroney, American gymnast
• 1995 – Kelly Oubre Jr., American basketball player
• 1996 – Mackenzie Blackwood, Canadian ice hockey player
• 1996 – Kyle Connor, American ice hockey player
• 1996 – MyKayla Skinner, American gymnast
• 1996 – AleXa, American singer based in South Korea
• 1997 – Harvey Barnes, English footballer
• 2000 – Diāna Ņikitina, Latvian figure skater
• 2005 – Ni-Ki, Japanese singer

• 638 – Sergius I of Constantinople
• 730 – Al-Jarrah ibn Abdallah, Arab general
• 748 – Nasr ibn Sayyar, Umayyad general and politician (b. 663)
• 933 – Li Congrong, prince of Later Tang
• 1117 – Gertrude of Brunswick, Markgräfin of Meißen
• 1165 – Malcolm IV of Scotland (b. 1141)
• 1242 – Richard le Gras, Lord Keeper of England and Abbot of Evesham
• 1268 – Vaišvilkas, Prince of Black Ruthenia, Grand Duke of Lithuania
• 1299 – Bohemond I, Archbishop of Trier
• 1437 – Sigismund, Holy Roman Emperor (b. 1368)
• 1544 – Teofilo Folengo, Italian poet (b. 1491)
• 1565 – Pope Pius IV (b. 1499)

• 1603 – William Watson, English priest (b. 1559)
• 1625 – Ubbo Emmius, Dutch historian and geographer (b. 1547)
• 1636 – Fabian Birkowski, Polish preacher and author (b. 1566)
• 1641 – Anthony van Dyck, Belgian-English painter and illustrator (b. 1599)
• 1669 – Pope Clement IX (b. 1600)
• 1674 – Edward Hyde, 1st Earl of Clarendon, English historian and politician, Chancellor of the Exchequer (b. 1609)
• 1706 – Peter II of Portugal (b. 1648)
• 1718 – Vincenzo Coronelli, Italian monk and cartographer (b. 1650)
• 1761 – Tarabai, Queen of Chatrapati Rajaram (b. 1675)
• 1793 – Yolande de Polastron, French-Austrian educator (b. 1749)
• 1798 – Johann Reinhold Forster, German pastor, botanist, and ornithologist (b. 1729)
• 1830 – Heinrich Christian Friedrich Schumacher, Danish surgeon, botanist, and academic (b. 1757)
• 1851 – William Thornhill, English army officer (b. 1768)
• 1854 – Almeida Garrett, Portuguese journalist and author (b. 1799)
• 1858 – Robert Baldwin, Canadian lawyer and politician, 3rd Premier of Canada West (b. 1804)
• 1887 – Mahmadu Lamine, Senegalese religious leader

• 1906 – Ferdinand Brunetière, French author and critic (b. 1849)
• 1907 – Eva Nansen, Norwegian mezzo-soprano singer and pioneer on women's skiing (b. 1858)
• 1916 – Natsume Sōseki, Japanese author and poet (b. 1867)
• 1924 – Bernard Zweers, Dutch composer and educator (b. 1854)
• 1930 – Rube Foster, American baseball player and manager (b. 1879)
• 1932 – Karl Blossfeldt, German photographer, sculptor, and educator (b. 1865)
• 1932 – Begum Rokeya, Bangladeshi social worker and author (b. 1880)
• 1935 – Walter Liggett, American journalist and activist (b. 1886)
• 1937 – Lilias Armstrong, English phonetician (b. 1882)
• 1937 – Gustaf Dalén, Swedish physicist and engineer, Nobel Prize laureate (b. 1869)
• 1941 – Dmitry Merezhkovsky, Russian author, poet, and philosopher (b. 1865)
• 1943 – Georges Dufrénoy, French painter (b. 1870)
• 1944 – Laird Cregar, American actor (b. 1913)
• 1945 – Yun Chi-ho, South Korean activist and politician (b. 1864)
• 1957 – Ali İhsan Sâbis, Turkish general (b. 1882)
• 1963 – Daniel O. Fagunwa, Nigerian author and educator (b. 1903)
• 1963 – Perry Miller, American historian, author, and academic (b. 1905)
• 1964 – Edith Sitwell, English poet and critic (b. 1887)
• 1965 – Branch Rickey, American baseball player and manager (b. 1884)
• 1967 – Charles Léon Hammes, Luxembourgish lawyer and judge, 3rd President of the European Court of Justice (b. 1898)
• 1968 – Enoch L. Johnson, American mob boss (b. 1883)
• 1970 – Artem Mikoyan, Armenian-Russian engineer and businessman, co-founded the Mikoyan-Gurevich Design Bureau (b. 1905)
• 1970 – Feroz Khan Noon, Pakistani politician, 7th Prime Minister of Pakistan (b. 1893)
• 1971 – Ralph Bunche, American political scientist, academic, and diplomat, Nobel Prize laureate (b. 1904)
• 1971 – Sergey Konenkov, Russian sculptor and painter (b. 1874)
• 1971 – Rev. Aeneas Francon Williams, Church of Scotland Minister, Missionary in India and China, writer and poet (b. 1886)
• 1972 – Louella Parsons, American writer and columnist (b. 1881)
• 1975 – William A. Wellman, American actor, director, producer, and screenwriter (b. 1896)
• 1979 – Fulton J. Sheen, American archbishop (b. 1895)
• 1982 – Leon Jaworski, American lawyer and politician (b. 1905)
• 1982 – Marguerite Henry, Australian zoologist (b. 1895)
• 1991 – Berenice Abbott, American photographer (b. 1898)
• 1992 – Vincent Gardenia, American actor (b. 1922)
• 1993 – Danny Blanchflower, Northern Irish footballer and manager (b. 1926)
• 1995 – Toni Cade Bambara, American author and academic (b. 1939)
• 1995 – Douglas Corrigan, American pilot (b. 1907)
• 1996 – Patty Donahue, American singer-songwriter (b. 1956)
• 1996 – Mary Leakey, English archaeologist and anthropologist (b. 1913)
• 1996 – Alain Poher, French lawyer and politician (b. 1909)
• 1996 – Diana Morgan, Welsh playwright and screenwriter (b. 1908)
• 1998 – Shaughnessy Cohen, Canadian lawyer and politician (b. 1948)
• 1998 – Archie Moore, American boxer and actor (b. 1913)
• 2001 – Michael Carver, Baron Carver, English field marshal (b. 1915)
• 2002 – Mary Hansen, Australian singer and guitarist (b. 1966)
• 2002 – Ian Hornak, American painter and sculptor (b. 1944)
• 2002 – Stan Rice, American painter and poet (b. 1942)
• 2003 – Norm Sloan, American basketball player and coach (b. 1926)
• 2003 – Paul Simon, American soldier, journalist, and politician, 39th Lieutenant Governor of Illinois (b. 1928)
• 2005 – György Sándor, Hungarian-American pianist and educator (b. 1912)
• 2005 – Robert Sheckley, American author (b. 1928)
• 2006 – Georgia Gibbs, American singer (b. 1919)
• 2007 – Rafael Sperafico, Brazilian race car driver (b. 1981)
• 2007 – Gordon Zahn, American sociologist, author, and academic (b. 1918)
• 2008 – Ibrahim Dossey, Ghanaian footballer (b. 1972)
• 2008 – Yury Glazkov, Russian general, pilot, and astronaut (b. 1939)
• 2009 – Gene Barry, American actor (b. 1919)
• 2010 – James Moody, American saxophonist, flute player, and composer (b. 1925)
• 2010 – Dov Shilansky, Lithuanian-Israeli lawyer and politician, 10th Speaker of the Knesset (b. 1924)
• 2012 – Béla Nagy Abodi, Hungarian painter and academic (b. 1918)
• 2012 – Patrick Moore, English lieutenant, astronomer, and educator (b. 1923)
• 2012 – Alex Moulton, English engineer and businessman, founded the Moulton Bicycle Company (b. 1920)
• 2012 – Jenni Rivera, American singer-songwriter, producer, and actress (b. 1969)
• 2012 – Charles Rosen, American pianist and musicologist (b. 1927)
• 2012 – Riccardo Schicchi, Italian director and producer, co-founded Diva Futura (b. 1953)
• 2012 – Norman Joseph Woodland, American inventor, co-created the bar code (b. 1921)
• 2013 – Hristu Cândroveanu, Romanian editor, literary critic and writer (b. 1928)
• 2013 – John Gabbert, American soldier, lawyer, and judge (b. 1909)
• 2013 – Barbara Hesse-Bukowska, Polish pianist and educator (b. 1930)
• 2013 – Eleanor Parker, American actress (b. 1922)
• 2013 – John Wilbur, American football player (b. 1943)
• 2014 – Sacvan Bercovitch, Canadian-American author, critic, and academic (b. 1933)
• 2014 – Jane Freilicher, American painter and poet (b. 1924)
• 2014 – Jorge María Mejía, Argentinian cardinal (b. 1923)
• 2014 – Mary Ann Mobley, American model and actress, Miss America 1959 (b. 1937)
• 2014 – Blagoje Paunović, Serbian footballer and manager (b. 1947)
• 2014 – Jože Toporišič, Slovenian linguist and author (b. 1926)
• 2015 – Soshana Afroyim, Austrian painter (b. 1927)
• 2015 – Norman Breslow, American statistician and academic (b. 1941)
• 2015 – Juvenal Juvêncio, Brazilian lawyer and politician (b. 1934)
• 2015 – Julio Terrazas Sandoval, Bolivian cardinal (b. 1936)
• 2021 – Speedy Duncan, American football player (b. 1942)
• 2021 – Demaryius Thomas, American football player (b. 1987)
• 2022 – Jovit Baldivino, Filipino singer and actor (b. 1993)
• 2024 – Nikki Giovanni, American poet, writer and activist (b. 1943)

• Anna's Day, marks the day to start the preparation process of the lutefisk to be consumed on Christmas Eve, as well as a Swedish name day, celebrating all people named Anna. (Sweden and Finland)
• Armed Forces Day (Peru)
• Christian feast day:
  • Feast of the Conception of the Most Holy Theotokos by St. Anne (Eastern Orthodox Church)
  • Hannah (biblical figure) (Eastern Orthodox Church)
  • Juan Diego
  • Leocadia
  • Nectarius of Auvergne
  • Peter Fourier
  • December 9 (Eastern Orthodox liturgics)
• Fatherland's Heroes Day (Russia)
• Independence Day, celebrates the independence of Tanganyika from Britain in 1961. (Tanzania)
• International Anti-Corruption Day (United Nations)
• National Heroes Day, formerly V.C. Bird Day. (Antigua and Barbuda)
• Navy Day (Sri Lanka)

• BBC: On This Day
• The New York Times: On This Day
• Historical Events on December 9