September 25

Pre-1600

• 275 – For the last time, the Roman Senate chooses an emperor; they elect 75-year-old Marcus Claudius Tacitus.
• 762 – Led by Muhammad al-Nafs al-Zakiyya, the Hasanid branch of the Alids begins the Alid Revolt against the Abbasid Caliphate.
• 1066 – In the Battle of Stamford Bridge, Harald Hardrada, the invading King of Norway, is defeated by King Harold II of England.
• 1237 – England and Scotland sign the Treaty of York, establishing the location of their common border.
• 1396 – Ottoman Emperor Bayezid I defeats a Christian army at the Battle of Nicopolis.
• 1513 – Spanish explorer Vasco Núñez de Balboa reaches what would become known as the Pacific Ocean.
• 1555 – The Peace of Augsburg is signed by Emperor Charles V and the princes of the Schmalkaldic League.

1601–1900

• 1690 – Publick Occurrences Both Forreign and Domestick, the first newspaper to appear in the Americas, is published for the first and only time.
• 1768 – Unification of Nepal
• 1775 – American Revolution: Ethan Allen surrenders to British forces after attempting to capture Montreal during the Battle of Longue-Pointe.
• 1775 – American Revolution: Benedict Arnold's expedition to Quebec sets off.
• 1789 – The United States Congress passes twelve constitutional amendments: the ten known as the Bill of Rights, the (unratified) Congressional Apportionment Amendment, and the Congressional Compensation Amendment.
• 1790 – Four Great Anhui Troupes introduce Anhui opera to Beijing in honor of the Qianlong Emperor's eightieth birthday.
• 1804 – The Teton Sioux (a subdivision of the Lakota) demand one of the boats from the Lewis and Clark Expedition as a toll for allowing the expedition to move further upriver.
• 1868 – The Imperial Russian steam frigate Alexander Nevsky is shipwrecked off Jutland while carrying Grand Duke Alexei Alexandrovich of Russia.
• 1890 – The United States Congress establishes Sequoia National Park.

1901–present

• 1906 – Leonardo Torres Quevedo demonstrates the Telekino in the Bilbao Abra (Spain), guiding an electric boat from the shore with people on board, which was controlled at a distance over 2 km (1.2 mi), in what is considered to be the origin of modern wireless remote-control operation principles.
• 1911 – An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
• 1912 – Columbia University Graduate School of Journalism is founded in New York City.
• 1915 – World War I: The Second Battle of Champagne begins.
• 1918 – World War I: The end of the Battle of Megiddo, the climax of the British Army's Sinai and Palestine campaign under General Edmund Allenby.
• 1926 – The international Convention to Suppress the Slave Trade and Slavery is first signed.
• 1937 – Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan.
• 1944 – World War II: Surviving elements of the British 1st Airborne Division withdraw from Arnhem via Oosterbeek.
• 1955 – The Royal Jordanian Air Force is founded.
• 1956 – TAT-1, the first submarine transatlantic telephone cable system, is inaugurated.
• 1957 – Central High School in Little Rock, Arkansas, is integrated by the use of United States Army troops.
• 1959 – Solomon Bandaranaike, Prime Minister of Sri Lanka, is mortally wounded by a Buddhist monk, Talduwe Somarama, and dies the next day.
• 1962 – The People's Democratic Republic of Algeria is formally proclaimed. Ferhat Abbas is elected President of the provisional government.
• 1962 – The North Yemen Civil War begins when Abdullah al-Sallal dethrones the newly crowned Imam al-Badr and declares Yemen a republic under his presidency.
• 1963 – Lord Denning releases the UK government's official report on the Profumo affair.
• 1964 – The Mozambican War of Independence against Portugal begins.
• 1969 – The charter establishing the Organisation of Islamic Cooperation is signed.
• 1974 – Dr. Frank Jobe performs first ulnar collateral ligament replacement surgery (better known as Tommy John surgery) on baseball player Tommy John.
• 1977 – About 4,200 people take part in the first running of the Chicago Marathon.
• 1978 – PSA Flight 182, a Boeing 727, collides in mid-air with a Cessna 172 and crashes in San Diego, killing all 135 aboard Flight 182, both occupants of the Cessna, as well as seven people on the ground.
• 1981 – Belize joins the United Nations.
• 1983 – Thirty-eight IRA prisoners, armed with six handguns, hijack a prison meals lorry and smash their way out of the Maze Prison.
• 1987 – Fijian Governor-General Penaia Ganilau is overthrown in a coup d'état led by Lieutenant colonel Sitiveni Rabuka.^{[citation needed]}
• 1992 – NASA launches the Mars Observer. Eleven months later, the probe would fail while preparing for orbital insertion.
• 1998 – PauknAir Flight 4101, a British Aerospace 146, crashes near Melilla Airport in Melilla, Spain, killing 38 people.
• 2003 – The 8.3 M_w  Hokkaidō earthquake strikes just offshore Hokkaidō, Japan.
• 2018 – Bill Cosby is sentenced to three to ten years in prison for aggravated sexual assault.

Pre-1600

• 1358 – Ashikaga Yoshimitsu, Japanese shōgun (d. 1408)
• 1403 – Louis III of Anjou (d. 1434)
• 1525 – Steven Borough, English explorer and navigator (d. 1584)
• 1528 – Otto II, Duke of Brunswick-Harburg (d. 1603)
• 1529 – Günther XLI, Count of Schwarzburg-Arnstadt (d. 1583)
• 1599 – Francesco Borromini, Swiss-Italian architect, designed the San Carlo alle Quattro Fontane and Sant'Agnese in Agone (d. 1667)

1601–1900

• 1636 – Ferdinand Joseph, Prince of Dietrichstein, German prince (d. 1698)
• 1644 – Ole Rømer, Danish astronomer and instrument maker (d. 1710)
• 1663 – Johann Nikolaus Hanff, German organist and composer (d. 1711)
• 1683 – Jean-Philippe Rameau, French composer and theorist (d. 1764)
• 1694 – Henry Pelham, English politician, Prime Minister of the United Kingdom (d. 1754)
• 1711 – Qianlong Emperor of China (d. 1799)
• 1738 – Nicholas Van Dyke, American lawyer and politician, 7th Governor of Delaware (d. 1789)
• 1741 – Wenzel Pichl, Czech violinist, composer, and director (d. 1805)
• 1744 – Frederick William II of Prussia (d. 1797)
• 1758 – Josepha Barbara Auernhammer, Austrian pianist and composer (d. 1820)
• 1761 – William Mullins, 2nd Baron Ventry, Anglo-Irish politician and peer (d. 1827)
• 1764 – Fletcher Christian, English sailor (d. 1793)
• 1766 – Armand-Emmanuel de Vignerot du Plessis, Duc de Richelieu, French general and politician, 2nd Prime Minister of France (d. 1822)
• 1771 – Nikolay Raevsky, Russian general and politician (d. 1829)
• 1773 – Agostino Bassi, Italian entomologist and author (d. 1856)
• 1782 – Charles Maturin, Irish author and playwright (d. 1824)
• 1798 – Jean-Baptiste Élie de Beaumont, French geologist and engineer (d. 1874)
• 1816 – Georg August Rudolph, German lawyer and politician, 3rd Mayor of Marburg (d. 1893)
• 1825 – William Pitt Ballinger, American lawyer and politician (d. 1888)
• 1825 – Joachim Heer, Swiss lawyer and politician, President of the National Council (d. 1879)
• 1839 – Karl Alfred von Zittel, German palaeontologist and geologist (d. 1904)
• 1862 – Léon Boëllmann, French organist and composer (d. 1897)
• 1862 – Billy Hughes, English-Australian carpenter and politician, 7th Prime Minister of Australia (d. 1952)
• 1865 – Henri Lebasque, French artist (d. 1937)
• 1866 – Thomas Hunt Morgan, American biologist, geneticist, and embryologist, Nobel Prize laureate (d. 1945)
• 1867 – Yevgeny Miller, Russian general (d. 1938)
• 1877 – Plutarco Elías Calles, Mexican general and President (d. 1945)
• 1879 – Lope K. Santos, Filipino lawyer and politician, 4th Governor of Rizal (d. 1963)
• 1881 – Lu Xun, Chinese author and critic (d. 1936)
• 1884 – Adolf Bolm, Russian ballet dancer and choreographer (d. 1951)
• 1888 – Hanna Ralph, German actress (d. 1978)
• 1889 – Charles Kenneth Scott Moncrieff, Scottish author and translator (d. 1930)
• 1893 – Harald Cramér, Swedish mathematician and statistician (d. 1985)
• 1896 – Sandro Pertini, Italian journalist and politician, 7th President of Italy (d. 1990)
• 1897 – William Faulkner, American novelist and short story writer, Nobel Prize laureate (d. 1962)
• 1898 – Robert Brackman, Ukrainian-American painter and educator (d. 1980)
• 1899 – Udumalai Narayana Kavi, Indian poet and songwriter (d. 1981)
• 1900 – Artur Sirk, Estonian soldier, lawyer, and politician (d. 1937)

1901–present

• 1901 – Robert Bresson, French director and screenwriter (d. 1999)
• 1901 – Gordon Coventry, Australian footballer (d. 1968)
• 1903 – Mark Rothko, Latvian-American painter and educator (d. 1970)
• 1906 – Volfgangs Dārziņš, Latvian composer, pianist, and music critic (d. 1962)
• 1906 – Phyllis Pearsall, English painter, cartographer, and author (d. 1996)
• 1906 – Dmitri Shostakovich, Russian pianist and composer (d. 1975)
• 1908 – Jacqueline Audry, French director and screenwriter (d. 1977)
• 1910 – Ralph Jordan, American football player and coach (d. 1980)
• 1911 – Eric Williams, Trinidadian historian and politician, 1st Prime Minister of Trinidad and Tobago (d. 1981)
• 1914 – John Manners, English naval officer and cricketer (d. 2020)
• 1916 – Jessica Anderson, Australian author and playwright (d. 2010)
• 1916 – Deendayal Upadhyaya, Indian economist, sociologist, and journalist (d. 1968)
• 1917 – Phil Rizzuto, American baseball player and sportscaster (d. 2007)
• 1920 – Sergei Bondarchuk, Ukrainian-Russian actor, director, and screenwriter (d. 1994)
• 1920 – Satish Dhawan, Indian engineer (d. 2002)
• 1921 – Rob Muldoon, New Zealand sergeant, accountant, and politician, 31st Prime Minister of New Zealand (d. 1992)
• 1922 – Hammer DeRoburt, Nauruian educator and politician, 1st President of Nauru (d. 1992)
• 1923 – Robert Laxalt, American author and academic (d. 2001)
• 1923 – Sam Rivers, American saxophonist, clarinet player, and composer (d. 2011)
• 1924 – Norman Ayrton, English actor and director (d. 2017)
• 1924 – Red Webb, American baseball player (d. 1996)
• 1925 – Silvana Pampanini, Italian model, actress, and director, Miss Italy 1946 (d. 2016)
• 1926 – Jack Hyles, American pastor and author (d. 2001)
• 1926 – Aldo Ray, American actor (d. 1991)
• 1927 – Carl Braun, American basketball player and coach (d. 2010)
• 1927 – Colin Davis, English conductor and educator (d. 2013)
• 1929 – Ronnie Barker, English actor and screenwriter (d. 2005)
• 1929 – Delia Scala, Italian ballerina and actress (d. 2004)
• 1929 – Barbara Walters, American journalist, producer, and author (d. 2022)
• 1930 – Nino Cerruti, Italian fashion designer, founded Cerruti (d. 2022)
• 1930 – Shel Silverstein, American author, poet, illustrator, and songwriter (d. 1999)
• 1931 – Manouchehr Atashi, Iranian journalist and poet (d. 2005)
• 1931 – Bryan John Birch, English mathematician and scholar
• 1932 – Glenn Gould, Canadian pianist and composer (d. 1982)
• 1932 – Terry Medwin, Welsh footballer and manager (d. 2024)
• 1932 – Adolfo Suárez, Spanish lawyer and politician, 1st Prime Minister of Spain (d. 2014)
• 1933 – Hubie Brown, American basketball player, coach, and sportscaster
• 1933 – Ian Tyson, Canadian folk singer-songwriter and musician (d. 2022)
• 1936 – Ken Forsse, American toy creator and author, created Teddy Ruxpin (d. 2014)
• 1936 – Juliet Prowse, South African-American actress, singer, and dancer (d. 1996)
• 1936 – Moussa Traoré, Malian general and politician 2nd President of Mali (d. 2020)
• 1937 – Mary Allen Wilkes, American computer scientist and lawyer
• 1938 – Ron Hill, English runner and businessman (d. 2021)
• 1938 – Jonathan Motzfeldt, Greenlandic priest and politician, 1st Prime Minister of Greenland (d. 2010)
• 1938 – Enn Tarto, Estonian politician (d. 2021)
• 1939 – Leon Brittan, English lawyer and politician, Secretary of State for Business, Innovation and Skills (d. 2015)
• 1939 – Feroz Khan, Indian actor, director, and producer (d. 2009)
• 1939 – David S. Mann, American lawyer and politician, Mayor of Cincinnati
• 1940 – Tim Severin, Indian-English explorer, historian, and author (d. 2020)
• 1941 – Vivien Stern, Baroness Stern, English academic and politician
• 1942 – Oscar Bonavena, Argentinian boxer (d. 1976)
• 1942 – Robert Miano, American actor and producer
• 1942 – Henri Pescarolo, French race car driver
• 1942 – John Taylor, English pianist and educator (d. 2015)
• 1942 – Dee Dee Warwick, American singer (d. 2008)
• 1943 – Robert Gates, American lieutenant, academic, and politician, 22nd United States Secretary of Defense
• 1943 – John Locke, American keyboard player (d. 2006)
• 1943 – Aram Saroyan, American poet and novelist
• 1943 – Robert Walden, American actor, director, and screenwriter
• 1944 – Michael Douglas, American actor and producer
• 1944 – Doris Matsui, American politician
• 1944 – Grayson Shillingford, Dominican cricketer (d. 2009)
• 1945 – Kathleen Brown, American lawyer and politician, 29th California State Treasurer
• 1945 – Carol Vadnais, Canadian ice hockey player and coach (d. 2014)
• 1946 – Bishan Singh Bedi, Indian cricketer and coach
• 1946 – Felicity Kendal, English actress
• 1946 – Bryan MacLean, American singer-songwriter, guitarist, and producer (d. 1998)
• 1946 – Janusz Majer, Polish mountaineer
• 1946 – Gil Morgan, American golfer
• 1946 – Ali Parvin, Iranian footballer
• 1946 – Jerry Penrod, American bass player
• 1947 – Giannos Kranidiotis, Greek politician and diplomat (d. 1999)
• 1947 – Cheryl Tiegs, American model and actress
• 1947 – Cecil Womack, American singer-songwriter and producer (d. 2013)
• 1948 – Mimi Kennedy, American actress and screenwriter
• 1948 – Vasile Șirli, Romanian musical composer and producer
• 1948 – Vladimir Yevtushenkov, Russian businessman
• 1949 – Pedro Almodóvar, Spanish director, producer, and screenwriter
• 1949 – Jeff Borowiak, American tennis player
• 1949 – Steve Mackay, American saxophonist and composer (d. 2015)
• 1949 – Anson Williams, American actor, singer, and director
• 1950 – E. C. Coleman, American basketball player
• 1950 – Stanisław Szozda, Polish cyclist and trainer (d. 2013)
• 1951 – Yardena Arazi, Israeli singer
• 1951 – Burleigh Drummond, American drummer and songwriter
• 1951 – Graeme Knowles, English bishop
• 1951 – Mark Hamill, American actor, singer, and producer
• 1951 – Bob McAdoo, American basketball player and coach
• 1952 – Colin Friels, Scottish-Australian actor
• 1952 – Jimmy Garvin, American wrestler and manager
• 1952 – bell hooks, American author and activist (d. 2021)
• 1952 – Cherríe Moraga, American poet, playwright, and activist
• 1952 – Tommy Norden, American actor
• 1952 – Chris Pond, English politician
• 1952 – Christopher Reeve, American actor, producer, and activist (d. 2004)
• 1953 – Richard Harvey, English mandolin player, keyboard player, and composer
• 1953 – Ron Rash, American novelist, short story writer, poet
• 1954 – Sylvester Croom, American football player and coach
• 1954 – Joep Lange, Dutch physician and academic (d. 2014)
• 1954 – Juande Ramos, Spanish footballer and manager
• 1955 – Ludo Coeck, Belgian footballer (d. 1985)
• 1955 – Zucchero Fornaciari, Italian singer-songwriter and guitarist
• 1955 – Amyr Klink, Brazilian sailor and explorer
• 1955 – Luanne Rice, American author and activist
• 1955 – Karl-Heinz Rummenigge, German footballer and manager
• 1955 – Steven Severin, English bass player, songwriter, and producer
• 1956 – W. Daniel Hillis, American computer scientist, engineer, and author, founded the Thinking Machines Corporation
• 1956 – Jamie Hyneman, American special effects designer and television host, founded M5 Industries
• 1956 – Miroslav Volf, Croatian Protestant theologian and public intellectual
• 1957 – Vladimir Popovkin, Russian general (d. 2014)
• 1958 – Randy Kerber, American keyboard player, composer, and conductor
• 1958 – Michael Madsen, American actor and producer
• 1959 – Jeon Soo-il, South Korean director, producer, and screenwriter
• 1960 – Igor Belanov, Ukrainian footballer and manager
• 1961 – Mehmet Aslantuğ, Turkish actor, director, producer, and screenwriter
• 1961 – Heather Locklear, American actress
• 1961 – Steve Scott, British journalist and presenter
• 1961 – Tim Zoehrer, Australian cricketer
• 1962 – Kalthoum Sarrai, Tunisian-French psychologist and journalist (d. 2010)
• 1962 – Aida Turturro, American actress
• 1962 – Dariusz Wdowczyk, Polish footballer and coach
• 1963 – Tate Donovan, American actor
• 1963 – Keely Shaye Smith, American journalist and author
• 1964 – Gary Ayles, English race car driver
• 1964 – Barbara Dennerlein, German organist
• 1964 – Maria Doyle Kennedy, Irish actress and singer
• 1964 – Rebecca Gablé, German novelist
• 1964 – Kikuko Inoue, Japanese singer-songwriter and voice actress
• 1964 – Joey Saputo, Canadian businessman
• 1965 – Matt Battaglia, American football player, actor, and producer
• 1965 – Saffron Henderson, Canadian voice actress and singer
• 1965 – Scottie Pippen, American basketball player and sportscaster
• 1965 – Anne Roumanoff, French actress and screenwriter
• 1965 – Dave Rundle, South African cricketer
• 1965 – Rob Schmidt, American director and screenwriter
• 1965 – Rafael Martín Vázquez, Spanish footballer and coach
• 1965 – Nicky Winmar, Australian footballer
• 1966 – Stanislav Bunin, Russian pianist and educator
• 1966 – Jason Flemyng, English actor
• 1966 – Todd Philcox, American football player
• 1967 – Kim Issel, Canadian ice hockey player
• 1967 – Ashwin Sood, English-Canadian drummer and producer
• 1968 – John A. List, American economist and academic
• 1968 – Will Smith, American actor, producer, and rapper
• 1968 – John Worsfold, Australian footballer and coach
• 1969 – Hansie Cronje, South African cricketer (d. 2002)
• 1969 – Bill Simmons, American journalist and author
• 1969 – Hal Sparks, American actor, comedian, musician and political commentator
• 1969 – Tony Womack, American baseball player
• 1969 – Catherine Zeta-Jones, Welsh actress
• 1970 – Curtis Buckley, American football player and psychiatrist
• 1971 – Nikos Boudouris, Greek basketball player and manager
• 1971 – John Lynch, American football player and sportscaster
• 1971 – Seb Sanders, English jockey
• 1972 – Douglas September, Canadian singer-songwriter, guitarist, and producer
• 1973 – Tijani Babangida, Nigerian footballer
• 1973 – Jenny Chapman, English politician
• 1973 – Bridgette Wilson, American actress, singer, model, and beauty queen
• 1974 – Bill Bowler, Canadian ice hockey player and coach
• 1974 – Olivier Dacourt, French footballer
• 1974 – John Granville, American scholar and diplomat (d. 2008)
• 1974 – Paul Hurst, English footballer and manager
• 1974 – Daniel Kessler, English-American singer and guitarist
• 1974 – Frank Leder, German fashion designer
• 1974 – Robbie Mears, Australian rugby league player and coach
• 1974 – Eric Moss, American football player (d. 2019)
• 1974 – Joel Prpic, Canadian ice hockey player
• 1974 – Javier Rosas, Mexican triathlete
• 1974 – Kemel Thompson, Jamaican hurdler
• 1975 – Daniela Ceccarelli, Italian skier
• 1975 – Declan Donnelly, English entertainer
• 1975 – Matt Hasselbeck, American football player
• 1975 – Dat Nguyen, American football player and coach
• 1976 – Santigold, American singer-songwriter and producer
• 1976 – Chauncey Billups, American basketball player
• 1976 – Eric Roberson, American singer-songwriter and producer
• 1976 – Charlotte Ayanna, Puerto Rican-American actress
• 1977 – Clea DuVall, American actress
• 1977 – Robbie Jones, American actor
• 1977 – Mike Krahulik, American illustrator
• 1977 – Toni Lydman, Finnish ice hockey player
• 1977 – Joel David Moore, American actor
• 1977 – Wil Nieves, Puerto Rican-American baseball player
• 1978 – Joe Cotton, Canadian-New Zealand singer
• 1978 – Roudolphe Douala, Cameroonian footballer
• 1978 – Ricardo Gardner, Jamaican footballer
• 1978 – Jodie Kidd, English model and actress
• 1978 – Ryan Leslie, American singer-songwriter and producer
• 1978 – Joel Piñeiro, Puerto Rican baseball player
• 1979 – Kyle Bennett, American BMX rider (d. 2012)
• 1979 – Rashad Evans, American mixed martial artist and wrestler
• 1979 – Jason Koumas, Welsh footballer
• 1979 – Jean-René Lisnard, French tennis player
• 1980 – Chris Owen, American actor
• 1980 – T.I., American rapper, songwriter, producer, and actor
• 1981 – Rocco Baldelli, American baseball player and manager
• 1981 – Jason Bergmann, American baseball player
• 1981 – Lee Norris, American actor
• 1982 – Hyun Bin, South Korean actor
• 1983 – Donald Glover, American actor, rapper, producer, and screenwriter
• 1983 – Terrance Pennington, American football player
• 1984 – Cherine Anderson, Jamaican singer-songwriter and actress
• 1984 – Matt Carle, American ice hockey player
• 1984 – Ivory Latta, American basketball player
• 1984 – Matías Silvestre, Argentinian footballer
• 1984 – Zach Woods, American actor and comedian
• 1985 – Gökhan Güleç, Turkish footballer
• 1985 – Marvin Matip, German footballer
• 1986 – Heidi El Tabakh, Egyptian-Canadian tennis player
• 1986 – Jamie O'Hara, English footballer
• 1986 – Marten Strauch, German rugby player
• 1986 – Steve Forrest, American drummer
• 1986 – Choi Yoon-young, South Korean actress
• 1987 – Monica Niculescu, Romanian tennis player
• 1987 – Mustafa Yumlu, Turkish footballer
• 1989 – Jordan Gavaris, Canadian actor
• 1989 – Cuco Martina, Curaçaoan footballer
• 1989 – Aldon Smith, American football player
• 1990 – Mao Asada, Japanese figure skater
• 1990 – Daria Strokous, Russian model, actress, and photographer
• 1991 – Emmy Clarke, American actress
• 1991 – Alessandro Crescenzi, Italian footballer
• 1991 – Calle Järnkrok, Swedish ice hockey player
• 1992 – Zoël Amberg, Swiss race car driver
• 1992 – Kerrod Holland, Australian rugby league player
• 1992 – Massimo Luongo, Australian footballer
• 1992 – Keauna McLaughlin, American figure skater
• 1992 – Rosalía, Spanish singer-songwriter
• 1992 – Ruslan Zhiganshin, Russian ice dancer
• 1993 – Brandin Cooks, American football player
• 1993 – Toby Greene, Australian footballer
• 1993 – Abdel Nader, Egyptian-American basketball player
• 1995 – Todd Hazelwood, Australian race car driver
• 1996 – Anett Vilipuu, Estonian footballer
• 1996 – Yue Yuan, Chinese tennis player
• 2001 – Cade Cunningham, American basketball player
• 2009 – Leah Jeffries, American actress

Pre-1600

• 1066 – Harald Hardrada, Norwegian king (b. 1015)
• 1066 – Maria Haraldsdotter, Norwegian princess
• 1066 – Tostig Godwinson, English son of Godwin, Earl of Wessex (b. c. 1029)
• 1086 – William VIII, Duke of Aquitaine (b. 1025)
• 1087 – Simon I de Montfort, French nobleman (b. c. 1025)
• 1333 – Prince Morikuni, Japanese shōgun (b. 1301)
• 1367 – Jakushitsu Genkō, Japanese poet (b. 1290)
• 1396 – Jean de Carrouges, French knight (b. 1330)
• 1396 – Jean de Vienne, French general and admiral (b. 1341)
• 1496 – Piero Capponi, Italian soldier and politician (b. 1447)
• 1506 – Philip I of Castile (b. 1478)
• 1534 – Pope Clement VII (b. 1478)
• 1536 – Johannes Secundus, Dutch author and poet (b. 1511)
• 1550 – Georg von Blumenthal, German bishop (b. 1490)
• 1588 – Tilemann Heshusius, German Gnesio-Lutheran theologian (b. 1527)

1601–1900

• 1602 – Caspar Peucer, German physician, scholar, and reformer (b. 1525)
• 1615 – Arbella Stuart, English noblewoman and woman of letters (b. 1575)
• 1617 – Emperor Go-Yōzei of Japan (b. 1572)
• 1617 – Francisco Suárez, Spanish priest, philosopher, and theologian (b. 1548)
• 1621 – Mary Sidney, English writer (b. 1561)
• 1626 – Lancelot Andrewes, English bishop and scholar (b. 1555)
• 1630 – Ambrogio Spinola, 1st Marquis of the Balbases, Italian general and politician, Governor of the Duchy of Milan (b. 1569)
• 1665 – Archduchess Maria Anna of Austria (b. 1610)
• 1703 – Archibald Campbell, 1st Duke of Argyll, Scottish general (b. 1658)
• 1774 – John Bradstreet, Canadian-English general (b. 1714)
• 1777 – Johann Heinrich Lambert, Swiss mathematician, physicist, and astronomer (b. 1728)
• 1791 – William Bradford, American soldier and publisher (b. 1719)
• 1792 – Adam Gottlob Moltke, Danish politician and diplomat (b. 1710)
• 1794 – Paul Rabaut, French pastor (b. 1718)
• 1828 – Charlotta Seuerling, Swedish singer, harpsichord player, and composer (b. 1783)
• 1849 – Johann Strauss I, Austrian composer (b. 1804)
• 1867 – Oliver Loving, American rancher, co-developed the Goodnight–Loving Trail (b. 1812)
• 1893 – Louise von François, German author (b. 1817)
• 1900 – Félix-Gabriel Marchand, Canadian journalist and politician, 11th Premier of Québec (b. 1832)
• 1900 – John M. Palmer, American general and politician, 15th Governor of Illinois (b. 1817)

1901–present

• 1901 – Arthur Fremantle, English general and politician, Governor of Malta (b. 1835)
• 1905 – Jacques Marie Eugène Godefroy Cavaignac, French educator and politician (b. 1853)
• 1917 – Thomas Ashe, Irish Republican Brotherhood volunteer and rebel commander. Died as a result of forced feeding while on hunger strike. (b. 1885)
• 1918 – Mikhail Alekseyev, Russian general (b. 1857)
• 1926 – Herbert Booth, English songwriter and bandleader (b. 1862)
• 1928 – Richard F. Outcault, American cartoonist, created The Yellow Kid and Buster Brown (b. 1863)
• 1929 – Miller Huggins, American baseball player and manager (b. 1879)
• 1933 – Ring Lardner, American journalist and author (b. 1885)
• 1938 – Lev Zadov, Ukrainian intelligence agent (b. 1893)
• 1939 – Ali Saip Ursavaş, Turkish soldier and politician (b. 1885)
• 1941 – Foxhall P. Keene, American polo player, golfer, and race car driver (b. 1867)
• 1943 – Alexander Hall, Scottish-Canadian soccer player (b. 1880)
• 1946 – Hans Eppinger, Austrian physician (b. 1879)
• 1955 – Martha Norelius Swedish-born American swimmer (b. 1909)
• 1958 – John B. Watson, American psychologist and academic (b. 1878)
• 1960 – Emily Post, American author and educator (b. 1873)
• 1961 – Frank Fay, American actor and singer (b. 1897)
• 1968 – Hans F. K. Günther, German eugenicist and academic (b. 1891)
• 1968 – Cornell Woolrich, American author and screenwriter (b. 1903)
• 1970 – Erich Maria Remarque, German-Swiss author and translator (b. 1898)
• 1971 – Hugo Black, American captain, jurist, and politician (b. 1886)
• 1972 – Alejandra Pizarnik, Argentine poet (b. 1936)
• 1980 – John Bonham, English drummer and songwriter (b. 1948)
• 1980 – Lewis Milestone, Russian-American director, producer, and screenwriter (b. 1895)
• 1980 – Marie Under, Estonian author and poet (b. 1883)
• 1983 – Leopold III of Belgium (b. 1901)
• 1984 – Walter Pidgeon, Canadian-American actor (b. 1897)
• 1986 – Darshan Singh Canadian, Indian-Canadian trade union leader and activist (b. 1917)
• 1986 – Donald MacDonald, Canadian union leader and politician (b. 1909)
• 1986 – Nikolay Semyonov, Russian physicist and chemist, Nobel Prize laureate (b. 1896)
• 1986 – Hans Vogt, Norwegian linguist and academic (b. 1909)
• 1987 – Mary Astor, American actress (b. 1906)
• 1987 – Emlyn Williams, Welsh actor and playwright (b. 1905)
• 1988 – Billy Carter, American farmer and businessman (b. 1937)
• 1988 – Arthur Võõbus, Estonian-American orientalist and scholar (b. 1909)
• 1990 – Prafulla Chandra Sen, Indian accountant and politician, 3rd Chief Minister of West Bengal (b. 1897)
• 1991 – Klaus Barbie, German SS captain, known as the "Butcher of Lyon" (b. 1913)
• 1991 – Viviane Romance, French actress and producer (b. 1912)
• 1992 – Ivan Vdović, Serbian musician (b. 1961)
• 1995 – Dave Bowen, Welsh footballer and manager (b. 1928)
• 1995 – Annie Elizabeth Delany, American dentist and author (b. 1891)
• 1997 – Hélène Baillargeon, Canadian singer and actress (b. 1916)
• 1997 – Jean Françaix, French pianist, composer, and conductor (b. 1912)
• 1999 – Marion Zimmer Bradley, American author (b. 1930)
• 2003 – Aqila al-Hashimi, Iraqi translator and politician (b. 1953)
• 2003 – Herb Gardner, American director, producer, and screenwriter (b. 1934)
• 2003 – Franco Modigliani, Italian-American economist and academic, Nobel Prize laureate (b. 1918)
• 2003 – George Plimpton, American writer and literary editor (b. 1927)
• 2005 – Don Adams, American actor, director, and screenwriter (b. 1923)
• 2005 – Madeline-Ann Aksich, Canadian businesswoman and philanthropist (b. 1956)
• 2005 – George Archer, American golfer (b. 1939)
• 2005 – Urie Bronfenbrenner, Russian-American psychologist and ecologist (b. 1917)
• 2005 – Ghulam Mustafa Khan, Pakistani linguist and critic (b. 1912)
• 2005 – M. Scott Peck, American psychiatrist and author (b. 1936)
• 2005 – Friedrich Peter, Austrian lawyer and politician (b. 1921)
• 2006 – Jeff Cooper, American target shooter and author (b. 1920)
• 2006 – John M. Ford, American author and poet (b. 1957)
• 2007 – Haidar Abdel-Shafi, Palestinian physician and politician (b. 1919)
• 2007 – André Emmerich, German-American art dealer (b. 1924)
• 2008 – Derog Gioura, Nauruan politician, 23rd President of Nauru (b. 1932)
• 2009 – Alicia de Larrocha, Spanish pianist (b. 1923)
• 2009 – Pierre Falardeau, Canadian actor, director, and screenwriter (b. 1946)
• 2011 – Wangari Maathai, Kenyan environmentalist and activist, Nobel Prize laureate (b. 1940)
• 2012 – Billy Barnes, American composer and songwriter (b. 1927)
• 2012 – John Bond, English footballer and manager (b. 1923)
• 2012 – Eric Ives, English historian and academic (b. 1931)
• 2012 – Alonso Lujambio, Mexican academic and politician (b. 1962)
• 2012 – Andy Williams, American singer (b. 1927)
• 2013 – Ron Fenton, English footballer, coach, and manager (b. 1940)
• 2013 – Choi In-ho, South Korean author and screenwriter (b. 1945)
• 2013 – José Montoya, American poet and academic (b. 1932)
• 2013 – Billy Mure, American guitarist and composer (b. 1915)
• 2013 – Pablo Verani, Italian-Argentinian lawyer and politician (b. 1938)
• 2013 – Bennet Wong, Canadian psychiatrist and academic, co-founded Haven Institute (Gabriola Island, Canada) (b. 1930)
• 2014 – Ulrick Chérubin, Haitian-Canadian educator and politician (b. 1943)
• 2014 – Sulejman Tihić, Bosnian lawyer, judge, and politician (b. 1951)
• 2014 – Dorothy Tyler-Odam, English high jumper (b. 1920)
• 2015 – Claudio Baggini, Italian Roman Catholic prelate (b. 1936)
• 2015 – John Galvin, American general (b. 1929)
• 2015 – Tom Kelley, American baseball player and manager (b. 1944)
• 2015 – Moti Kirschenbaum, Israeli journalist (b. 1939)
• 2016 – José Fernández, Cuban-American baseball player (b. 1992)
• 2016 – Arnold Palmer, American golfer (b. 1929)
• 2016 – Nahid Hattar, Jordanian writer and political activist (b. 1960)
• 2017 – Jan Tříska, Czech actor (b. 1936)
• 2023 – David McCallum, Scottish actor (b. 1933)

• Armed Forces Day or Revolution Day (Mozambique)
• Christian feast day:
  • Abadir and Iraja and Companions (Coptic Church)
  • Aunarius (Aunacharius)
  • Anathalon (Archdiocese of Milan)
  • Cadoc
  • Ceolfrith
  • Cleopas
  • Euphrosyne of Alexandria
  • Finbarr
  • Fermin of Amiens
  • Lancelot Andrewes (Church of England)
  • Sergius of Radonezh (repose)
  • Vincent Strambi
  • September 25 (Eastern Orthodox liturgics)
• Day of National Recognition for the Harkis (France)
• National Research Administrators Day (United States)
• National Youth Day (Nauru)

• "On This Day". BBC.
• The New York Times: On This Day
• "Historical Events on September 25". OnThisDay.com.