December 9
Events
Pre-1600
- 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, launching the most active phase of the Lithuanian Civil War.
- 1531 - The Virgin of Guadalupe first appears to Juan Diego at Tepeyac, Mexico City.
1601–1900
- 1636 - The Qing dynasty of China, led by Emperor Hong Taiji, invades Joseon.
- 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.
1901–present
- 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.
- 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.
- 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.
- 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.
Births
Pre-1600
- 1392 - Peter, Duke of Coimbra
- 1447 - Chenghua Emperor of China
- 1482 - Frederick II, Elector Palatine
- 1493 - Íñigo López de Mendoza, 4th Duke of the Infantado
- 1508 - Gemma Frisius, Dutch mathematician and cartographer
- 1561 - Edwin Sandys, English lawyer and politician
- 1571 - Metius, Dutch mathematician and astronomer
- 1579 - Martin de Porres, Peruvian saint
- 1594 - Gustavus Adolphus of Sweden
1601–1900
- 1608 - John Milton, English poet and philosopher
- 1610 - Baldassare Ferri, Italian singer and actor
- 1617 - Richard Lovelace, English poet
- 1652 - Augustus Quirinus Rivinus, German physician and botanist
- 1667 - William Whiston, English mathematician, historian, and theologian
- 1717 - Johann Joachim Winckelmann, German archaeologist and historian
- 1721 - Peter Pelham, English-American organist and composer
- 1728 - Pietro Alessandro Guglielmi, Italian composer
- 1742 - Carl Wilhelm Scheele, Swedish Pomeranian and German pharmaceutical chemist
- 1745 - Maddalena Laura Sirmen, Italian violinist and composer
- 1748 - Claude Louis Berthollet, French chemist and academic
- 1752 - Antoine Étienne de Tousard, French general and engineer
- 1768 - Joseph Desha, American politician
- 1787 - John Dobson, English architect, designed Eldon Square and Lilburn Tower
- 1779 - Tabitha Babbitt, American tool maker and inventor
- 1806 - Jean-Olivier Chénier, Canadian physician
- 1813 - Thomas Andrews, Irish chemist and physicist
- 1837 - Émile Waldteufel, French pianist, composer, and conductor
- 1842 - Peter Kropotkin, Russian zoologist, economist, geographer, and philosopher
- 1845 - Joel Chandler Harris, American journalist and author
- 1850 - Emma Abbott, American soprano and actress
- 1861 - Hélène Smith, French psychic and occultist
- 1867 - Gregorios Xenopoulos, Greek journalist and author
- 1868 - Fritz Haber, Polish-German chemist and academic, Nobel Prize laureate
- 1870 - Ida S. Scudder, Indian physician and missionary
- 1870 - Francisco S. Carvajal, Mexican lawyer and politician, president 1914
- 1871 - Joe Kelley, American baseball player and manager
- 1873 - George Blewett, Canadian philosopher, author, and academic
- 1875 - Harry Miller, American engineer
- 1876 - Berton Churchill, Canadian-American actor and singer
- 1882 - Elmer Booth, American actor
- 1882 - Joaquín Turina, Spanish-French composer, critic, and educator
- 1883 - Nikolai Luzin, Russian mathematician, theorist, and academic
- 1883 - Alexander Papagos, Greek general and politician, 152nd Prime Minister of Greece
- 1883 - Joseph Pilates, German-American fitness expert, developed Pilates
- 1886 - Clarence Birdseye, American businessman, founded Birds Eye
- 1887 - Tim Moore, American actor
- 1889 - Hannes Kolehmainen, Finnish-American runner
- 1890 - Laura Salverson, Canadian author
- 1891 - Maksim Bahdanovič, Belarusian poet and critic
- 1892 - André Randall, French actor
- 1895 - Dolores Ibárruri, Spanish activist, journalist and politician
- 1895 - Conchita Supervía, Spanish soprano and actress
- 1897 - Hermione Gingold, English actress and singer
- 1898 - Irene Greenwood, Australian radio broadcaster, feminist and peace activist
- 1898 - Emmett Kelly, American clown and actor
- 1899 - Jean de Brunhoff, French author and illustrator
- 1900 - Margaret Brundage, American illustrator, known for illustrating pulp magazine Weird Tales
- 1900 - Albert Weisbord, American activist, founded the Communist League of Struggle