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This Day On History
| Date | Description | Type |
|---|---|---|
| 21st of September 1217 | EVENT | Livonian Crusade: The Estonian tribal leader Lembitu and Livonian leader Kaupo are killed in Battle of St. Matthew's Day. |
| 21st of September 1435 | EVENT | An agreement between Charles VII of France and Philip the Good ends the partnership between the English and Burgundy in Hundred Years' War. |
| 21st of September 1745 | EVENT | Battle of Prestonpans: A Hanoverian army under the command of Sir John Cope is defeated, in ten minutes, by the Jacobite forces of Prince Charles Edward Stuart |
| 21st of September 1780 | EVENT | American Revolutionary War: Benedict Arnold gives the British the plans to West Point. |
| 21st of September 1792 | EVENT | The National Convention declares France a republic and abolishes the monarchy. |
| 21st of September 1827 | EVENT | Joseph Smith, Jr. is reportedly visited by the angel Moroni, who gave him a record of gold plates, one-third of which Smith has translated into The Book of Mormon. |
| 21st of September 1860 | EVENT | In the Second Opium War, an Anglo-French force defeats Chinese troops at the Battle of Baliqiao. |
| 21st of September 1896 | EVENT | British force under Horatio Kitchener takes Dongola in the Sudan. |
| 21st of September 1897 | EVENT | The "Yes, Virginia, there is a Santa Claus" editorial is published in the New York Sun. |
| 21st of September 1898 | EVENT | Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China. |
| 21st of September 1921 | EVENT | A storage silo in Oppau, Germany, explodes, killing 500-600 people. |
| 21st of September 1934 | EVENT | A large typhoon hits western Honshu, Japan, killing 3,036 people. |
| 21st of September 1937 | EVENT | J. R. R. Tolkien's The Hobbit is published. |
| 21st of September 1938 | EVENT | The Great Hurricane of 1938 makes landfall on Long Island in New York. The death toll is estimated at 500-700 people. |
| 21st of September 1939 | EVENT | Romanian Prime Minister Armand Calinescu is assassinated by ultranationalist members of the Iron Guard. |
| 21st of September 1942 | EVENT | On the Jewish holiday of Yom Kippur, Nazis send over 1,000 Jews of Pidhaytsi (west Ukraine) to Belzec extermination camp. |
| 21st of September 1942 | EVENT | In Poland, at the end of Yom Kippur, Germans order Jews to permanently evacuate Konstantynow and move to the Ghetto in Bia?a Podlaska, established to assemble Jews from seven nearby towns, including Janow Podlaski, Rossosz and Terespol. |
| 21st of September 1942 | EVENT | In Dunaivtsi, Ukraine, Nazis murder 2,588 Jews. |
| 21st of September 1942 | EVENT | The B-29 Superfortress makes its maiden flight. |
| 21st of September 1953 | EVENT | LT No Kum-Sok a North Korean pilot defected to South Korea and is associated with Operation Moolah. |
| 21st of September 1961 | EVENT | Maiden flight of the CH-47 Chinook transportation helicopter. |
| 21st of September 1964 | EVENT | Malta becomes independent from the United Kingdom. |
| 21st of September 1964 | EVENT | The North American XB-70 Valkyrie, the world's first Mach 3 bomber, makes its maiden flight from Palmdale, California. |
| 21st of September 1965 | EVENT | Gambia, Maldives and Singapore are admitted as members of the United Nations. |
| 21st of September 1971 | EVENT | Bahrain, Bhutan and Qatar join the United Nations. |
| 21st of September 1972 | EVENT | Philippine President Ferdinand Marcos signs Proclamation No. 1081 placing the entire country under martial law. |
| 21st of September 1976 | EVENT | Orlando Letelier is assassinated in Washington, D.C. He is a member of the Chilean socialist government of Salvador Allende, overthrown in 1973 by Augusto Pinochet. |
| 21st of September 1976 | EVENT | Seychelles joins the United Nations. |
| 21st of September 1981 | EVENT | Sandra Day O'Connor is unanimously approved by the U.S. Senate as the first female Supreme Court justice. |
| 21st of September 1981 | EVENT | Belize is granted full independence from the United Kingdom. |
| 21st of September 1984 | EVENT | Brunei joins the United Nations. |
| 21st of September 1989 | EVENT | Hurricane Hugo makes landfall in the U.S. state of South Carolina. |
| 21st of September 1991 | EVENT | Armenia is granted independence from Soviet Union. |
| 21st of September 1993 | EVENT | Russian President Boris Yeltsin suspends parliament and scraps the then-functioning constitution, thus triggering the Russian constitutional crisis of 1993. |
| 21st of September 1999 | EVENT | Chi-Chi earthquake occurs in central Taiwan, leaving about 2,400 people dead. |
| 21st of September 2001 | EVENT | Deep Space 1 flies within 2,200 km of Comet Borrelly. |
| 21st of September 2001 | EVENT | AZF chemical plant explodes in Toulouse, France, killing 31 people |
| 21st of September 2001 | EVENT | America: A Tribute to Heroes is broadcast by over 35 network and cable channels, raising over $200 million for the September 11 attack victims. |
| 21st of September 2003 | EVENT | Galileo mission is terminated by sending the probe into Jupiter's atmosphere, where it is crushed by the pressure at the lower altitudes. |
| 21st of September 1051 | BIRTHDAY | Bertha of Savoy, German queen and Holy Roman Empire Empress (d. 1087) |
| 21st of September 1328 | BIRTHDAY | Hongwu Emperor of China (d. 1398) |
| 21st of September 1411 | BIRTHDAY | Richard Plantagenet, 3rd Duke of York, claimant to the English throne (d. 1460) |
| 21st of September 1415 | BIRTHDAY | Frederick III, Holy Roman Emperor (d. 1493) |
| 21st of September 1428 | BIRTHDAY | Jingtai Emperor of China (d. 1457) |
| 21st of September 1452 | BIRTHDAY | Girolamo Savonarola, Dominican priest and ruler of Florence (d. 1498) |
| 21st of September 1559 | BIRTHDAY | Cigoli, Florentine painter, architect, and sculptor (d. 1613) |
| 21st of September 1629 | BIRTHDAY | Philip Howard, English Catholic cardinal (d. 1694) |
| 21st of September 1645 | BIRTHDAY | Louis Joliet, Canadian explorer (d. 1700) |
| 21st of September 1706 | BIRTHDAY | Polyxena of Hesse-Rotenburg, queen of Sardinia (d. 1735) |
| 21st of September 1756 | BIRTHDAY | John MacAdam, Scottish engineer and road-builder (d. 1836) |
| 21st of September 1758 | BIRTHDAY | Christopher Gore, 8th Governor of Massachusetts (d. 1827) |
| 21st of September 1760 | BIRTHDAY | Ivan Dmitriev, Russian statesman (d. 1837) |
| 21st of September 1819 | BIRTHDAY | Princess Louise Marie Therese of France (d. 1864) |
| 21st of September 1840 | BIRTHDAY | Murad V, Ottoman Sultan (d. 1904) |
| 21st of September 1842 | BIRTHDAY | Abd-ul-Hamid II, Ottoman Sultan (d. 1918) |
| 21st of September 1849 | BIRTHDAY | Maurice Barrymore, Indian-born patriarch of the Barrymore family (d. 1905) |
| 21st of September 1853 | BIRTHDAY | Heike Kamerlingh Onnes, Dutch physicist, Nobel Prize laureate (d. 1926) |
| 21st of September 1859 | BIRTHDAY | Francesc Macia i Llussa, Catalan politician (d. 1933) |
| 21st of September 1860 | BIRTHDAY | Wilson Kettle, Canadian centenarian (d. 1963) |
| 21st of September 1862 | BIRTHDAY | James E. Talmage, American religious figure and author (d. 1933) |
| 21st of September 1863 | BIRTHDAY | John Bunny, American film comedian (d. 1915) |
| 21st of September 1866 | BIRTHDAY | Charles Nicolle, French bacteriologist, received the Nobel Prize in Physiology or Medicine (d. 1936) |
| 21st of September 1866 | BIRTHDAY | H. G. Wells, English writer (d. 1946) |
| 21st of September 1873 | BIRTHDAY | Papa Jack Laine, American musician (d. 1966) |
| 21st of September 1874 | BIRTHDAY | Gustav Holst, English composer (d. 1934) |
| 21st of September 1890 | BIRTHDAY | Max Immelmann, German WWI fighter pilot (d. 1916) |
| 21st of September 1890 | BIRTHDAY | Charles William Train, English recipient of the Victoria Cross (d. 1965) |
| 21st of September 1895 | BIRTHDAY | Sergei Yesenin, Russian poet (d. 1925) |
| 21st of September 1896 | BIRTHDAY | Walter Breuning, American supercentenarian (d. 2011) |
| 21st of September 1899 | BIRTHDAY | Frederick Coutts, the 8th General of The Salvation Army (d. 1986) |
| 21st of September 1902 | BIRTHDAY | Sir Allen Lane, British book publisher (d. 1970) |
| 21st of September 1902 | BIRTHDAY | Luis Cernuda, Spanish poet (d. 1963) |
| 21st of September 1903 | BIRTHDAY | Preston Tucker, American automobile designer (d. 1956) |
| 21st of September 1905 | BIRTHDAY | Robert Lebel, French Canadian ice hockey executive (d. 1999) |
| 21st of September 1906 | BIRTHDAY | Henry Beachell, American plant breeder (d. 2006) |
| 21st of September 1909 | BIRTHDAY | Kwame Nkrumah, Ghanaian statesman (d. 1972) |
| 21st of September 1912 | BIRTHDAY | Gyorgy Sandor, Hungarian pianist (d. 2005) |
| 21st of September 1912 | BIRTHDAY | Chuck Jones, American animator (d. 2002) |
| 21st of September 1916 | BIRTHDAY | Francoise Giroud, French journalist and politician (d. 2003) |
| 21st of September 1917 | BIRTHDAY | Phyllis Nicolson, British mathematician (d. 1968) |
| 21st of September 1918 | BIRTHDAY | Karl Slover, German-born American actor |
| 21st of September 1918 | BIRTHDAY | John Gofman, American Manhattan Project scientist and advocate (d. 2007) |
| 21st of September 1919 | BIRTHDAY | Mario Bunge, Argentine philosopher and physicist |
| 21st of September 1919 | BIRTHDAY | Fazlur Rahman, Pakistani scholar (d. 1988) |
| 21st of September 1921 | BIRTHDAY | John McHale, American baseball player and executive (d. 2008) |
| 21st of September 1924 | BIRTHDAY | Hermann Buhl, Austrian mountaineer (d. 1957) |
| 21st of September 1926 | BIRTHDAY | Donald A. Glaser, American physicist, Nobel Prize laureate |
| 21st of September 1926 | BIRTHDAY | Noor Jehan, Pakistani singer and actress (d. 2000) |
| 21st of September 1929 | BIRTHDAY | Bernard Williams, English philosopher (d. 2003) |
| 21st of September 1929 | BIRTHDAY | Sandor Kocsis, Hungarian footballer (d. 1979) |
| 21st of September 1931 | BIRTHDAY | Larry Hagman, American actor |
| 21st of September 1933 | BIRTHDAY | Dick Simon, American racing driver |
| 21st of September 1934 | BIRTHDAY | Leonard Cohen, Canadian singer and songwriter |
| 21st of September 1935 | BIRTHDAY | Jimmy Armfield, English footballer and manager |
| 21st of September 1935 | BIRTHDAY | Henry Gibson, American actor (d. 2009) |
| 21st of September 1936 | BIRTHDAY | Dickey Lee, American singer and songwriter |
| 21st of September 1936 | BIRTHDAY | Yuriy Luzhkov, Russian politician, mayor of Moscow |
| 21st of September 1936 | BIRTHDAY | Diane Rehm, American radio talk show host |
| 21st of September 1937 | BIRTHDAY | John D'Amico, Canadian NHL official (d. 2005) |
| 21st of September 1938 | BIRTHDAY | Doug Moe, American basketball player and coach |
| 21st of September 1939 | BIRTHDAY | Rory Storm, English musician |
| 21st of September 1940 | BIRTHDAY | Hermann Knoflacher, Austrian civil engineer |
| 21st of September 1940 | BIRTHDAY | Bill Kurtis, American television journalist |
| 21st of September 1941 | BIRTHDAY | Jack Brisco, American professional wrestler |
| 21st of September 1941 | BIRTHDAY | R. James Woolsey, Jr., American Central Intelligence Agency director |
| 21st of September 1944 | BIRTHDAY | Hamilton Jordan, American chief of staff for Jimmy Carter (d. 2008) |
| 21st of September 1944 | BIRTHDAY | Fannie Flagg, American actress and novelist |
| 21st of September 1944 | BIRTHDAY | Steve Beshear, American politician |
| 21st of September 1945 | BIRTHDAY | Jerry Bruckheimer, American film and television producer |
| 21st of September 1945 | BIRTHDAY | Shaw Clifton, the 18th General of The Salvation Army |
| 21st of September 1945 | BIRTHDAY | Richard Childress, American NASCAR team owner |
| 21st of September 1946 | BIRTHDAY | Moritz Leuenberger, Swiss jurist |
| 21st of September 1947 | BIRTHDAY | Stephen King, American author |
| 21st of September 1947 | BIRTHDAY | Marsha Norman, American playwright |
| 21st of September 1947 | BIRTHDAY | Don Felder, American guitarist (Eagles) |
| 21st of September 1949 | BIRTHDAY | Artis Gilmore, American basketball player |
| 21st of September 1950 | BIRTHDAY | Bill Murray, American comedian and actor |
| 21st of September 1950 | BIRTHDAY | Charles Clarke, British politician |
| 21st of September 1951 | BIRTHDAY | Aslan Maskhadov, Chechen rebel leader (d. 2005) |
| 21st of September 1951 | BIRTHDAY | Bruce Arena, American soccer coach |
| 21st of September 1952 | BIRTHDAY | Dave Gregory, English guitar and keyboard player (XTC) |
| 21st of September 1952 | BIRTHDAY | Anneliese Michel, German exorcism victim (d. 1976) |
| 21st of September 1953 | BIRTHDAY | Arie Luyendyk, Dutch race car driver |
| 21st of September 1954 | BIRTHDAY | Shinzo Abe, Japanese politician |
| 21st of September 1954 | BIRTHDAY | Phil "Philthy Animal" Taylor, British musician (Motorhead) |
| 21st of September 1955 | BIRTHDAY | Francois Cluzet, French actor |
| 21st of September 1955 | BIRTHDAY | Richard Hieb, American astronaut |
| 21st of September 1955 | BIRTHDAY | Mika Kaurismaki, Finnish director |
| 21st of September 1956 | BIRTHDAY | Ricky Morton, American professional wrestler |
| 21st of September 1956 | BIRTHDAY | Jack Givens, American basketball player |
| 21st of September 1956 | BIRTHDAY | Marta Kauffman, American television producer |
| 21st of September 1957 | BIRTHDAY | Sidney Moncrief, American basketball player |
| 21st of September 1957 | BIRTHDAY | Mark Levin, American attorney, radio talk show host and author |
| 21st of September 1957 | BIRTHDAY | Ethan Coen, American film director |
| 21st of September 1957 | BIRTHDAY | Kevin Rudd, 26th Prime Minister of Australia |
| 21st of September 1957 | BIRTHDAY | Penny Smith, English television presenter |
| 21st of September 1958 | BIRTHDAY | Bruno Fitoussi, French poker player |
| 21st of September 1958 | BIRTHDAY | Rick Mahorn, American basketball player |
| 21st of September 1959 | BIRTHDAY | Dave Coulier, American actor |
| 21st of September 1959 | BIRTHDAY | Danny Cox, American baseball player |
| 21st of September 1959 | BIRTHDAY | Corinne Drewery, British singer (Swing Out Sister) |
| 21st of September 1960 | BIRTHDAY | David James Elliott, Canadian actor |
| 21st of September 1961 | BIRTHDAY | Nancy Travis, American actress |
| 21st of September 1962 | BIRTHDAY | Rob Morrow, American actor |
| 21st of September 1963 | BIRTHDAY | Curtly Ambrose, Antiguan West Indies cricketer |
| 21st of September 1963 | BIRTHDAY | Cecil Fielder, American baseball player |
| 21st of September 1963 | BIRTHDAY | Angus Macfadyen, Scottish actor |
| 21st of September 1964 | BIRTHDAY | Jorge Drexler, Uruguayan singer and composer |
| 21st of September 1965 | BIRTHDAY | Frederic Beigbeder, French writer and critic |
| 21st of September 1965 | BIRTHDAY | Cheryl Hines, American actress |
| 21st of September 1965 | BIRTHDAY | Johanna Vuoksenmaa, Finnish film director |
| 21st of September 1965 | BIRTHDAY | David Wenham, Australian actor |
| 21st of September 1967 | BIRTHDAY | Glen Benton, American musician (Deicide) |
| 21st of September 1967 | BIRTHDAY | Tyler Stewart, Canadian drummer (Barenaked Ladies) |
| 21st of September 1967 | BIRTHDAY | Faith Hill, American singer |
| 21st of September 1968 | BIRTHDAY | Ricki Lake, American actress and talk show hostess |
| 21st of September 1969 | BIRTHDAY | Jason Christiansen, American baseball player |
| 21st of September 1969 | BIRTHDAY | Curtis Leschyshyn, Canadian ice hockey player |
| 21st of September 1970 | BIRTHDAY | John Cudia, American actor |
| 21st of September 1971 | BIRTHDAY | John Crawley, English cricketer |
| 21st of September 1971 | BIRTHDAY | Alfonso Ribeiro, American actor |
| 21st of September 1971 | BIRTHDAY | Luke Wilson, American actor |
| 21st of September 1972 | BIRTHDAY | Olivia Bonamy, French actress |
| 21st of September 1972 | BIRTHDAY | Jon Kitna, American football player |
| 21st of September 1972 | BIRTHDAY | Liam Gallagher, English singer (Oasis) |
| 21st of September 1972 | BIRTHDAY | David Silveria, American drummer (Ko?n) |
| 21st of September 1972 | BIRTHDAY | Scott Spiezio, American baseball player |
| 21st of September 1973 | BIRTHDAY | Heather Brewer, American writer of young adult fiction. |
| 21st of September 1973 | BIRTHDAY | Vanessa Grigoriadis, American journalist |
| 21st of September 1973 | BIRTHDAY | Oswaldo Sanchez, Mexican footballer |
| 21st of September 1974 | BIRTHDAY | Bryce Drew, American basketball player |
| 21st of September 1974 | BIRTHDAY | Taral Hicks, American musician |
| 21st of September 1974 | BIRTHDAY | Jana Kandarr, German tennis player |
| 21st of September 1974 | BIRTHDAY | Andy Todd, English footballer |
| 21st of September 1975 | BIRTHDAY | Doug Davis, American baseball player |
| 21st of September 1976 | BIRTHDAY | Poul Hubertz, Danish footballer |
| 21st of September 1976 | BIRTHDAY | Jonas Bjerre, Danish singer and guitarist (Mew) |
| 21st of September 1977 | BIRTHDAY | Brian Tallet, American baseball player |
| 21st of September 1978 | BIRTHDAY | Luke Godden, Australian rules footballer |
| 21st of September 1978 | BIRTHDAY | Doug Howlett, New Zealand rugby union footballer |
| 21st of September 1979 | BIRTHDAY | Richard Dunne, Irish footballer |
| 21st of September 1979 | BIRTHDAY | Chris Gayle, Jamaican West Indies cricketer |
| 21st of September 1979 | BIRTHDAY | James Allan, Scottish singer (Glasvegas) |
| 21st of September 1979 | BIRTHDAY | Julian Gray, English footballer |
| 21st of September 1979 | BIRTHDAY | Jaymee Ong, Chinese-Australian model |
| 21st of September 1980 | BIRTHDAY | Robert Hoffman, American actor |
| 21st of September 1980 | BIRTHDAY | Kareena Kapoor, Indian actress |
| 21st of September 1980 | BIRTHDAY | Autumn Reeser, American actress |
| 21st of September 1980 | BIRTHDAY | Aleksa Palladino, American actress |
| 21st of September 1980 | BIRTHDAY | Nyree Lewis, British Paralympic swimmer |
| 21st of September 1980 | BIRTHDAY | Tomas Scheckter, South African racing driver |
| 21st of September 1981 | BIRTHDAY | Nicole Richie, American socialite |
| 21st of September 1981 | BIRTHDAY | Rimi Sen, Indian actress |
| 21st of September 1981 | BIRTHDAY | Meilinda Soerjoko, Indonesian-Australian actress |
| 21st of September 1982 | BIRTHDAY | Parvati Shallow, American reality show contestant |
| 21st of September 1982 | BIRTHDAY | Eduardo Azevedo, Brazilian racing driver |
| 21st of September 1982 | BIRTHDAY | Marat Izmailov, Russian footballer |
| 21st of September 1982 | BIRTHDAY | Rowan Vine, English footballer |
| 21st of September 1982 | BIRTHDAY | Danny Kass, American snowboarder |
| 21st of September 1982 | BIRTHDAY | Christos Tapoutos, Greek footballer |
| 21st of September 1983 | BIRTHDAY | Fernando Cavenaghi, Argentinian footballer |
| 21st of September 1983 | BIRTHDAY | Maggie Grace, American actress |
| 21st of September 1983 | BIRTHDAY | Joseph Mazzello, American actor |
| 21st of September 1983 | BIRTHDAY | Anna Meares, Australian cyclist |
| 21st of September 1984 | BIRTHDAY | Benjamin Wildman-Tobriner, American swimmer |
| 21st of September 1985 | BIRTHDAY | Maryam Hassouni, Dutch actor |
| 21st of September 1986 | BIRTHDAY | Faris Badwan, British singer |
| 21st of September 1987 | BIRTHDAY | Jimmy Clausen, American football player |
| 21st of September 1987 | BIRTHDAY | Courtney Paris, American basketball player |
| 21st of September 1987 | BIRTHDAY | Ashley Paris, American basketball player |
| 21st of September 1988 | BIRTHDAY | Bilawal Bhutto Zardari, Pakistani politician |
| 21st of September 1989 | BIRTHDAY | Jason Derulo, American Pop singer |
| 21st of September 1990 | BIRTHDAY | Christian Serratos, American actress, model and singer |
| 21st of September 1990 | BIRTHDAY | Allison Scagliotti, American actress, |
| 21st of September 0454 | DEATH | Aetius, Roman general (Born c.396) |
| 21st of September 1217 | DEATH | Caupo of Turaida, Livonian military leader |
| 21st of September 1217 | DEATH | Lembitu of Lehola, Estonian military leader |
| 21st of September 1327 | DEATH | King Edward II of England (Born 1284) |
| 21st of September 1397 | DEATH | Richard FitzAlan, 11th Earl of Arundel, English military leader (executed) (Born 1346) |
| 21st of September 1542 | DEATH | Juan Boscan Almogaver, Spanish poet |
| 21st of September 1558 | DEATH | Charles V, Holy Roman Emperor (Born 1500) |
| 21st of September 1576 | DEATH | Gerolamo Cardano, Italian mathematician (Born 1501) |
| 21st of September 1586 | DEATH | Antoine Perrenot de Granvelle, French church leader (Born 1517) |
| 21st of September 1626 | DEATH | Francois de Bonne, duc de Lesdiguieres, Constable of France (Born 1543) |
| 21st of September 1719 | DEATH | Johann Heinrich Acker, German writer (Born 1647) |
| 21st of September 1743 | DEATH | Jai Singh II, King of Amber-Juiper (Born 1688) |
| 21st of September 1748 | DEATH | John Balguy, English philosopher (Born 1686) |
| 21st of September 1796 | DEATH | Francois Severin Marceau-Desgraviers, French general (Born 1769) |
| 21st of September 1798 | DEATH | George Read, American lawyer and signer of the Declaration of Independence (Born 1733) |
| 21st of September 1832 | DEATH | Sir Walter Scott, Scottish writer (Born 1771) |
| 21st of September 1860 | DEATH | Arthur Schopenhauer, German philosopher (Born 1788) |
| 21st of September 1874 | DEATH | Jean-Baptiste Elie de Beaumont, French geologist (Born 1794) |
| 21st of September 1897 | DEATH | Wilhelm Wattenbach, German historian (Born 1819) |
| 21st of September 1904 | DEATH | Chief Joseph, Nez Perce leader (Born 1840) |
| 21st of September 1906 | DEATH | Samuel Arnold, Lincoln conspirator (Born 1838) |
| 21st of September 1926 | DEATH | Leon Charles Thevenin, French telegraph engineer (Born 1857) |
| 21st of September 1938 | DEATH | Ivana Brlic-Mazuranic, Croatian writer (Born 1874) |
| 21st of September 1939 | DEATH | Armand Calinescu, Romanian prime-minister (assassinated) (Born 1893) |
| 21st of September 1944 | DEATH | Artur Phleps, German Waffen-SS officer (Born 1881) |
| 21st of September 1946 | DEATH | Olga Engl, Austrian actress (Born 1871) |
| 21st of September 1954 | DEATH | Kokichi Mikimoto, Japanese inventor (Born 1858) |
| 21st of September 1957 | DEATH | King Haakon VII of Norway (Born 1872) |
| 21st of September 1963 | DEATH | Paulino Masip, Spanish playwright (Born 1899) |
| 21st of September 1966 | DEATH | Paul Reynaud, French politician (Born 1878) |
| 21st of September 1971 | DEATH | Bernardo Houssay, Argentine physiologist, Nobel Prize laureate (Born 1887) |
| 21st of September 1972 | DEATH | Henry de Montherlant, French writer (Born 1896) |
| 21st of September 1974 | DEATH | Walter Brennan, American actor (Born 1894) |
| 21st of September 1974 | DEATH | Jacqueline Susann, American novelist (Born 1918) |
| 21st of September 1976 | DEATH | Orlando Letelier, Chilean diplomat (Born 1932) |
| 21st of September 1982 | DEATH | Hovhannes Bagramyan, Soviet general (Born 1897) |
| 21st of September 1985 | DEATH | Gu Long, Taiwanese writer of wuxia novels (Born 1937) |
| 21st of September 1987 | DEATH | Jaco Pastorius, American bassist (Born 1951) |
| 21st of September 1988 | DEATH | Glenn Robert Davis, member of United States Congress (Born 1914) |
| 21st of September 1990 | DEATH | Takis Kanellopoulos, Greek film director and screenwriter (Born 1933) |
| 21st of September 1995 | DEATH | Rudy Perpich, American politician (Born 1928) |
| 21st of September 1997 | DEATH | Jennifer Holt, American actress (Born 1920) |
| 21st of September 1998 | DEATH | Florence Griffith Joyner, American athlete (Born 1959) |
| 21st of September 2000 | DEATH | Jacques Flynn, Canadian politician and senator (Born 1915) |
| 21st of September 2002 | DEATH | Robert L. Forward, American physicist and writer (Born 1932) |
| 21st of September 2004 | DEATH | Bob Mason, British actor (Born 1952) |
| 21st of September 2006 | DEATH | Tasos Athanasiadis, Greek writer (Born 1913) |
| 21st of September 2006 | DEATH | Boz Burrell, English rock musician (Born 1946) |
| 21st of September 2007 | DEATH | Hallgeir Brenden, Norwegian Olympic gold medalist (Born 1929) |
| 21st of September 2007 | DEATH | Alice Ghostley, American actress (Born 1926) |
| 21st of September 2007 | DEATH | Rex Humbard, American television evangelist (Born 1919) |