October 20
Events
Pre-1600
- 1568 - The Spanish Duke of Alba defeats a Dutch rebel force under William the Silent.
- 1572 - Eighty Years' War: Three thousand Spanish soldiers wade through fifteen miles of water in one night to effect the relief of Goes.
1601–1900
- 1740 - France, Prussia, Bavaria and Saxony refuse to honour the Pragmatic Sanction, and the War of the Austrian Succession begins.
- 1774 - American Revolution: The Continental Association, a nonconsumption and nonimportation agreement against the British Isles and the British West Indies, is adopted by the First Continental Congress.
- 1781 - The Patent of Toleration, providing limited freedom of worship, is approved in Austria.
- 1803 - The United States Senate ratifies the Louisiana Purchase.
- 1818 - The Convention of 1818 is signed between the United States and the United Kingdom, which settles the Canada–United States border on the 49th parallel for most of its length.
- 1827 - Greek War of Independence: In the Battle of Navarino, a combined Turkish and Egyptian fleet is defeated by British, French and Russian naval forces in the last significant battle fought with wooden sailing ships.
- 1883 - Peru and Chile sign the Treaty of Ancón, by which the Tarapacá province is ceded to the latter, bringing an end to Peru's involvement in the War of the Pacific.
1901–present
- 1904 - Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.
- 1910 - British ocean liner RMS Olympic is launched.
- 1935 - The Long March, a mammoth retreat undertaken by the armed forces of the Chinese Communist Party a year prior, ends.
- 1941 - World War II: Thousands of civilians in German-occupied Serbia are murdered in the Kragujevac massacre.
- 1944 - World War II: The Soviet Red Army and Yugoslav Partisans liberate Belgrade.
- 1944 - Liquefied natural gas leaks from storage tanks in Cleveland and then explodes, leveling 30 blocks and killing 130 people.
- 1944 - World War II: American general Douglas MacArthur fulfills his promise to return to the Philippines when he comes ashore during the Battle of Leyte.
- 1947 - Cold War: The House Un-American Activities Committee begins its investigation into Communist infiltration of the Hollywood film industry, resulting in a blacklist that prevents some from working in the industry for years.
- 1948 - A KLM Lockheed L-049 Constellation crashes on approach to Glasgow Prestwick Airport, killing 40.
- 1951 - The "Johnny Bright incident" occurs during a football game between the Drake Bulldogs and Oklahoma A&M Aggies.
- 1952 - The Governor of Kenya Evelyn Baring declares a state of emergency and begins arresting hundreds of suspected leaders of the Mau Mau Uprising.
- 1961 - The Soviet Navy performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine.
- 1962 - China launches simultaneous offensives in Ladakh and across the McMahon Line, igniting the Sino-Indian War.
- 1973 - Watergate scandal: "Saturday Night Massacre": United States President Richard Nixon fires U.S. Attorney General Elliot Richardson and Deputy Attorney General William Ruckelshaus after they refuse to fire special prosecutor Archibald Cox, who is finally fired by Solicitor General Robert Bork.
- 1973 - The Sydney Opera House is opened by Elizabeth II after 14 years of construction.
- 1976 - The Luling–Destrehan Ferry MV George Prince is struck by the Norwegian freighter SS Frosta while crossing the Mississippi River in St. Charles Parish, Louisiana. Seventy-eight passengers and crew die, and only 18 people aboard the ferry survive.
- 1977 - A plane carrying the rock band Lynyrd Skynyrd crashes in woodland in Mississippi, United States. Six people, including three band members, are killed.
- 1981 - Two police officers and a Brink's armored car guard are killed during an armed robbery carried out by members of the Black Liberation Army and Weather Underground in Nanuet, New York.
- 1982 - During the UEFA Cup match between FC Spartak Moscow and HFC Haarlem, 66 people are crushed to death in the Luzhniki disaster.
- 1986 - Aeroflot Flight 6502 crashes while landing at Kuibyshev Airport in Kuibyshev, killing 70 people.
- 1991 - A 6.8 Mw earthquake strikes the Uttarkashi region of India, killing more than 1,000 people.
- 1991 - A massive firestorm breaks out in the hills of Oakland and Berkeley, California killing 25 people and destroying more than 3,000 homes, apartments and condominiums.
- 1995 - Space Shuttle Columbia launches on STS-73.
- 2002 - Top Gear, the revived popular British TV motoring magazine, premieres on BBC.
- 2003 - The Sloan Great Wall, once the largest cosmic structures known to humanity, is discovered by students at Princeton University.
- 2005 - The general conference of the United Nations Educational, Scientific and Cultural Organization passes the Convention on the Protection and Promotion of the Diversity of Cultural Expressions.
- 2011 - Libyan Crisis: Rebel forces capture Libyan dictator Muammar Gaddafi and his son Mutassim in his hometown of Sirte and kill them shortly thereafter, ending the first Libyan civil war.
- 2017 - Syrian civil war: The Syrian Democratic Forces declare victory in the Raqqa campaign.
- 2022 - Liz Truss steps down as British Prime Minister and leader of the Conservative Party amid the country's political crisis, serving for the least time of any British Prime Minister.
Births
Pre-1600
- 888 - Zhu Youzhen, emperor of Later Liang
- 1475 - Giovanni di Bernardo Rucellai, Italian poet and playwright
- 1496 - Claude, Duke of Guise
- 1554 - Bálint Balassi, Hungarian writer and noble
1601–1900
- 1612 - Richard Boyle, 1st Earl of Burlington, Anglo-Irish nobleman, Lord High Treasurer of Ireland, Cavalier
- 1616 - Thomas Bartholin, Danish physician, mathematician, and theologian
- 1620 - Aelbert Cuyp, Dutch painter
- 1632 - Edward Hungerford, English politician
- 1660 - Robert Bertie, 1st Duke of Ancaster and Kesteven, English politician, Chancellor of the Duchy of Lancaster
- 1677 - Stanisław Leszczyński, King of Poland
- 1679 - Samuel von Cocceji, Prussian jurist and statesman
- 1711 - Timothy Ruggles, American lawyer, jurist, and politician,
- 1718 - Catherine Gordon, Duchess of Gordon, Scottish aristocrat
- 1719 - Gottfried Achenwall, German historian, economist, and jurist
- 1740 - Isabelle de Charrière, Dutch author and poet
- 1759 - Chauncey Goodrich, American lawyer and politician, 8th Lieutenant Governor of Connecticut
- 1780 - Pauline Bonaparte, French sister of Napoleon
- 1784 - Henry John Temple, 3rd Viscount Palmerston, English academic and politician, Prime Minister of the United Kingdom
- 1785 - George Ormerod, English historian and author
- 1790 - Patrick Matthew. Scottish farmer and biologist
- 1801 - Melchior Berri, Swiss architect and educator, designed the Natural History Museum of Basel
- 1808 - Karl Andree, German geographer and journalist
- 1819 - Báb, Iranian religious leader, founded Bábism
- 1822 - Thomas Hughes, English lawyer and judge
- 1832 - Constantin Lipsius, German architect and theorist
- 1847 - Frits Thaulow, Norwegian painter
- 1854 - Arthur Rimbaud, French soldier and poet
- 1858 - John Burns, English union leader and politician, President of the Board of Trade
- 1859 - John Dewey, American psychologist and philosopher
- 1864 - James F. Hinkle, American banker and politician, 6th Governor of New Mexico
- 1871 – Atul Prasad Sen, Indian songwriter
- 1873 - Nellie McClung, Canadian author and suffragist
- 1873 - Jussi Merinen, Finnish politician
- 1874 - Charles Ives, American composer
- 1877 - Alfred Gwynne Vanderbilt, American businessman
- 1882 - Margaret Dumont, American actress
- 1882 - Bela Lugosi, Hungarian-American actor
- 1883 - Karl Probst, American engineer
- 1887 - Prince Yasuhiko Asaka of Japan
- 1889 - Johann Gruber, Austrian priest and saint
- 1889 - Luo Yixiu, first wife of Mao Zedong
- 1890 - Aleksander Maaker, Estonian bagpipe player
- 1891 - Samuel Flagg Bemis, American historian and author
- 1891 - James Chadwick, English physicist and academic, Nobel Prize laureate
- 1893 - Charley Chase, American actor, director, and screenwriter
- 1894 - Olive Thomas, American model and actress
- 1895 - Rex Ingram, American actor
- 1895 - Morrie Ryskind, American writer/director
- 1897 - Yi Un, South Korean general
- 1900 - Ismail al-Azhari, Sudanese politician, 3rd President of Sudan
- 1900 - Wayne Morse, American lieutenant, lawyer, and politician
1901–present
- 1901 - Frank Churchill, American film composer
- 1901 - Adelaide Hall, American-English singer, actress, and dancer
- 1904 - Tommy Douglas, Scottish-Canadian minister and politician, 7th Premier of Saskatchewan
- 1904 - Enolia McMillan, American educator and activist
- 1904 - Anna Neagle, English actress, singer, and producer
- 1907 - Arlene Francis, American actress and television personality
- 1908 - Stuart Hamblen, American singer-songwriter, actor, and radio show host
- 1909 - Carla Laemmle, American actress and photographer
- 1909 - Yasushi Sugiyama, Japanese painter
- 1910 - Chen Liting, Chinese director and playwright
- 1912 - Ruhi Su, Turkish singer-songwriter
- 1913 - Grandpa Jones, American singer-songwriter and banjo player
- 1914 - Fayard Nicholas, American actor, dancer, and choreographer
- 1917 - Stéphane Hessel, German-French activist and diplomat
- 1917 - Ants Kaljurand, Estonian anti-communist, freedom fighter and forest brother
- 1917 - Jean-Pierre Melville, French actor, director, producer, and screenwriter
- 1918 - Martin Drewes, German soldier and pilot
- 1918 - Robert Lochner, American-German soldier and journalist
- 1919 - Tracy Hall, American chemist and academic
- 1920 - Nick Cardy, American illustrator
- 1920 - Fanny de Sivers, Estonian-French linguist and academic
- 1920 - Akhil Bandhu Ghosh, Indian singer
- 1920 - Janet Jagan, 6th President of Guyana
- 1920 - Siddhartha Shankar Ray, Indian lawyer and politician, Chief Minister of West Bengal
- 1921 - Manny Ayulo, American race car driver
- 1921 - Hans Warren, Dutch poet and author
- 1922 - John Anderson, American actor
- 1922 - Franco Ventriglia, American opera singer
- 1923 - Robert Craft, American conductor and musicologist
- 1924 - Robert Peters, American poet, playwright, and critic
- 1925 - András Bíró, Hungarian journalist and human rights activist
- 1925 - Art Buchwald, American soldier and journalist
- 1925 - Tom Dowd, American record producer and engineer
- 1925 - Roger Hanin, Algerian-French actor, director, and screenwriter
- 1926 - Edward Douglas-Scott-Montagu, 3rd Baron Montagu of Beaulieu, English lieutenant and politician, founded the National Motor Museum
- 1927 - Joyce Brothers, American psychologist, author, and actress
- 1927 - Gunturu Seshendra Sarma, Indian poet and critic
- 1928 - Michael O'Donnell, English physician, author, and journalist
- 1931 - Richard Caliguiri, American lawyer and politician, 54th Mayor of Pittsburgh
- 1931 - Mickey Mantle, American baseball player and sportscaster
- 1931 - Ken Morrison, English businessman
- 1932 - Rosey Brown, American football player and coach
- 1932 - William Christopher, American actor and singer
- 1932 - Rokurō Naya, Japanese voice actor
- 1933 - Barrie Chase, American actress and dancer
- 1934 - Bill Chase, American trumpet player
- 1934 - Eddie Harris, American saxophonist
- 1934 – Timothy West, English actor
- 1935 - Jerry Orbach, American actor and singer
- 1937 - Cancio Garcia, Filipino lawyer and jurist
- 1937 - Wanda Jackson, American singer-songwriter and guitarist
- 1937 - Juan Marichal, Dominican baseball player and sportscaster
- 1937 - Emma Tennant, English author
- 1938 - Emidio Greco, Italian director and screenwriter
- 1938 - Dolores Hart, American actress and nun
- 1938 - Iain Macmillan, Scottish photographer and educator
- 1939 - Patrick Hughes, English painter, illustrator, and photographer
- 1940 - Jean-Pierre Dikongué Pipa, Cameroonian filmmaker
- 1940 - Kathy Kirby, English singer
- 1940 - Robert Pinsky, American poet and critic
- 1941 - Anneke Wills, English actress
- 1942 - Earl Hindman, American actor
- 1942 - Christiane Nüsslein-Volhard, German biologist and geneticist, Nobel Prize laureate
- 1942 - Bart Zoet, Dutch cyclist
- 1943 - Dunja Vejzović, Croatian soprano and actress
- 1944 - Nalin de Silva, Sri Lankan physicist and philosopher
- 1944 - David Mancuso, American party planner, created The Loft
- 1945 - Ric Lee, English drummer
- 1946 - Diana Gittins, American-English sociologist, author, and academic
- 1946 - Lewis Grizzard, American comedian and author
- 1946 - Elfriede Jelinek, Austrian author and playwright, Nobel Prize laureate
- 1946 - Richard Loncraine, English director and screenwriter
- 1946 - Lucien Van Impe, Belgian cyclist
- 1946 - Chris Woodhead, English civil servant and academic
- 1948 - Peter Combe, Australian entertainer
- 1948 - Sandra Dickinson, American-English actress and composer
- 1948 - Piet Hein Donner, Dutch jurist and politician, Dutch Minister of Justice
- 1948 - Melih Gökçek, Turkish journalist and politician, Mayor of Ankara
- 1949 - Valeriy Borzov, Ukrainian-Russian sprinter
- 1950 - Chris Cannon, American politician
- 1950 - Tom Petty, American singer-songwriter, guitarist, and producer
- 1950 - William Russ, American actor and director
- 1951 - Al Greenwood, American keyboard player
- 1951 - Patrick Hall, English lawyer and politician
- 1951 - Ken Ham, Australian-American evangelist
- 1951 - Leif Pagrotsky, Swedish businessman and politician
- 1951 - Claudio Ranieri, Italian footballer and manager
- 1952 - Melanie Mayron, American actress and director
- 1952 - Derek Ridgers, English photographer and art director
- 1952 - Wilma Salgado, Ecuadorian politician and economist
- 1953 - Keith Hernandez, American baseball player and sportscaster
- 1953 - Richard McWilliam, American businessman and philanthropist, co-founded the Upper Deck Company
- 1953 - Bill Nunn, American actor
- 1954 - Steve Orich, American composer and conductor
- 1955 - Thomas Newman, American composer and conductor
- 1955 - David Profumo, English author and academic
- 1955 - Aaron Pryor, American boxer
- 1955 - Sheldon Whitehouse, American politician
- 1956 - Danny Boyle, English director, producer, and screenwriter
- 1956 - Martin Taylor, English guitarist
- 1957 - Jane Bonham-Carter, Baroness Bonham-Carter of Yarnbury, English politician
- 1957 - Chris Cowdrey, English cricketer and sportscaster
- 1957 - Chalermchai Sitthisart, Thai military officer, 40th Commander-in-chief of the Royal Thai Army
- 1957 - Hilda Solis, American academic and politician, 25th United States Secretary of Labor
- 1958 - Valerie Faris, American director and producer
- 1958 - Lynn Flewelling, American author and academic
- 1958 - Scott Hall, American wrestler
- 1958 - Mark King, English singer-songwriter and bass player
- 1958 - Dave Krieg, American football player
- 1958 - Viggo Mortensen, American-Danish actor and producer
- 1959 - Mark Little, Australian comedian, actor, and screenwriter
- 1961 - Audun Kleive, Norwegian drummer and composer
- 1961 - Kate Mosse, English author and playwright
- 1961 - Ian Rush, Welsh footballer and manager
- 1961 - Les Stroud, Canadian director, producer, and harmonica player
- 1961 - Michie Tomizawa, Japanese voice actress and singer
- 1962 - Dave Wong, Hong Kong-Taiwanese singer-songwriter and actor
- 1963 - Julie Payette, Canadian engineer, astronaut, and 29th Governor General of Canada
- 1964 - Kamala Harris, American politician and lawyer, 49th Vice President of the United States
- 1965 - Norman Blake, Scottish singer-songwriter and guitarist
- 1965 - Jonathan I. Schwartz, American businessman
- 1965 - Mikhail Shtalenkov, Russian ice hockey player
- 1965 - William Zabka, American actor and producer
- 1966 - Allan Donald, South African cricketer and coach
- 1966 - Patrick Volkerding, American computer scientist and engineer, founded Slackware
- 1967 - Artur Grigorian, Armenian-Uzbek boxer
- 1967 - Kerrod Walters, Australian rugby league player
- 1967 - Kevin Walters, Australian rugby league player and coach
- 1968 - Susan Tully, English actress, director, and producer
- 1969 - Laurie Daley, Australian rugby league player and coach
- 1969 - Juan González, Puerto Rican baseball player
- 1970 - Neil Heywood, English-Chinese businessman
- 1970 - Aapo Ilves, Estonian poet and illustrator
- 1970 - Michelle Malkin, American blogger and author
- 1970 - Taj McWilliams-Franklin, American basketball player
- 1971 - Kenneth Choi, American actor
- 1971 - Snoop Dogg, American rapper, producer, and actor
- 1971 - Eddie Jones, American basketball player
- 1971 - Kamiel Maase, Dutch runner
- 1971 - Dannii Minogue, Australian singer-songwriter and actress
- 1972 - Will Greenwood, English rugby player and sportscaster
- 1972 - Brian Schatz, American academic and politician, 11th Lieutenant Governor of Hawaii
- 1974 - Ed Hale, American singer-songwriter, writer and socio-political activist
- 1974 - Limmy, Scottish comedian and writer
- 1974 - Bashar Rahal, Emirati-American actor and producer
- 1975 - Ronny Aukrust, Norwegian politician
- 1976 - Dan Fogler, American actor, director, producer, and screenwriter
- 1976 - Nicola Legrottaglie, Italian footballer and manager
- 1977 - Hun Manet, Cambodian politician and military officer, 33rd Prime Minister of Cambodia
- 1977 - Leila Josefowicz, Canadian-American violinist
- 1977 - Sam Witwer, American actor and musician
- 1978 - Virender Sehwag, Indian cricketer
- 1978 - Paul Wilson, Scottish bass player and songwriter
- 1979 - Paul Ifill, English footballer
- 1979 - John Krasinski, American actor, director, and producer
- 1979 - Paul O'Connell, Irish rugby player
- 1981 - Dimitrios Papadopoulos, Greek footballer
- 1982 - Preeti Barameeanant, Thai singer
- 1982 - Becky Brewerton, Welsh golfer
- 1982 - Lawrence Roberts, American basketball player
- 1983 - Alona Tal, Israeli actress
- 1983 - Michel Vorm, Dutch footballer
- 1984 - Mitch Lucker, American singer-songwriter
- 1984 - Andrew Trimble, Irish rugby player
- 1985 - James Sutton, English race car driver
- 1986 - Elyse Taylor, Australian model
- 1987 - Marie Sophie Hingst, German historian and blogger who falsely claimed to be descended from Holocaust survivors
- 1988 - ASAP Ferg, American rapper
- 1988 - Rui Pinto, Portuguese activist and whistleblower
- 1988 - Candice Swanepoel, South African supermodel and philanthropist
- 1989 - Jamie Collins, American football player
- 1989 - Jess Glynne, English singer-songwriter
- 1990 - Sam Mataora, Cook Islands rugby league player
- 1991 - Phupoom Pongpanupak, Thai actor
- 1992 - Mattia De Sciglio, Italian footballer
- 1992 - Ksenia Semyonova, Russian gymnast
- 1992 - Kyle Wiltjer, Canadian-American basketball player
- 1994 - Festus Talam, Kenyan long-distance runner
- 1995 - Humberto Carrillo, Mexican wrestler
- 1996 - Anthony Sinisuka Ginting, Indonesian badminton player
- 1997 - Ademola Lookman, Nigerian footballer
- 1997 - Daizen Maeda, Japanese footballer
- 1997 - Nguyễn Tiến Linh, Vietnamese footballer
- 1997 - Andrey Rublev, Russian tennis player
- 1998 - Jordan Ridley, Australian rules footballer
- 1999 - Chuu, South Korean singer and television personality
- 1999 - YoungBoy Never Broke Again, American rapper
- 2000 - Kenneth Walker III, American football player
- 2001 - Paige Bueckers, American basketball player
- 2002 - Yéremy Pino, Spanish footballer
- 2003 - Carney Chukwuemeka, English footballer