September 30

Pre-1600

 * 489 – The Ostrogoths under Theoderic the Great defeat the forces of Odoacer for the second time.
 * 737 – The Turgesh drive back an Umayyad invasion of Khuttal, follow them south of the Oxus, and capture their baggage train.
 * 1139 – A magnitude 7.7 earthquake strikes the Caucasus mountains in the Seljuk Empire, causing mass destruction and killing up to 300,000 people.
 * 1399 – Henry IV is proclaimed king of England.
 * 1520 – Suleiman the Magnificent is proclaimed sultan of the Ottoman Empire.
 * 1541 – Spanish conquistador Hernando de Soto and his forces enter Tula territory in present-day western Arkansas, encountering fierce resistance.
 * 1551 – A coup by the military establishment of Japan's Ōuchi clan forces their lord to commit suicide, and their city is burned.

1601–1900

 * 1744 – War of the Austrian Succession: France and Spain defeat Sardinia at the Battle of Madonna dell'Olmo, but soon have to withdraw from Sardinia anyway.
 * 1791 – The first performance of Mozart's opera The Magic Flute takes place two months before his death.
 * 1791  – France's National Constituent Assembly is dissolved, to be replaced the next day by the National Legislative Assembly.
 * 1863 – Georges Bizet's opera Les pêcheurs de perles, premiered in Paris.
 * 1882 – Thomas Edison's first commercial hydroelectric power plant (later known as Appleton Edison Light Company) begins operation.
 * 1888 – Jack the Ripper kills his third and fourth victims, Elizabeth Stride and Catherine Eddowes.

1901–present

 * 1906 – The Royal Galician Academy, the Galician language's biggest linguistic authority, starts working in La Coruña, Spain.
 * 1907 – The McKinley National Memorial, the final resting place of assassinated U.S. President William McKinley and his family, is dedicated in Canton, Ohio.
 * 1909 – The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
 * 1915 – World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
 * 1918 – Ukrainian War of Independence: Insurgent forces led by Nestor Makhno defeat the Central Powers at the battle of Dibrivka.
 * 1935 – The Hoover Dam, astride the border between the U.S. states of Arizona and Nevada, is dedicated.
 * 1938 – Britain, France, Germany and Italy sign the Munich Agreement, whereby Germany annexes the Sudetenland region of Czechoslovakia.
 * 1938  – The League of Nations unanimously outlaws "intentional bombings of civilian populations".
 * 1939 – World War II: General Władysław Sikorski becomes prime minister of the Polish government-in-exile.
 * 1939  – NBC broadcasts the first televised American football game.
 * 1941 – World War II: The Babi Yar massacre comes to an end.
 * 1943 – The United States Merchant Marine Academy is dedicated by President Roosevelt.
 * 1944 – The Germans commence a counter offensive to retake the Nijmegen salient, this having been captured by the allies during Operation Market Garden.
 * 1945 – The Bourne End rail crash, in Hertfordshire, England, kills 43.
 * 1947 – The 1947 World Series begins. It is the first to be televised, to include an African-American player, to exceed $2 million in receipts, to see a pinch-hit home run, and to have six umpires on the field.
 * 1947  – Pakistan joins the United Nations.
 * 1949 – The Berlin Airlift ends.
 * 1954 – The U.S. Navy submarine USS Nautilus (SSN-571) is commissioned as the world's first nuclear-powered vessel.
 * 1965 – Six Indonesian Army generals were assassinated by the September 30 Movement. The PKI was blamed for the latter, resulting in mass killings of suspected leftists.
 * 1966 – Bechuanaland declares its independence, and becomes the Republic of Botswana.
 * 1968 – The Boeing 747 is rolled out and shown to the public for the first time.
 * 1970 – Jordan makes a deal with the PFLP for the release of the remaining hostages from the Dawson's Field hijackings.
 * 1975 – Malév Flight 240 crashes into the Mediterranean Sea while on approach to Beirut International Airport in Beirut, Lebanon, killing 60.
 * 1978 – Finnair Flight 405 is hijacked by Aarno Lamminparras in Oulu, Finland.
 * 1980 – Ethernet specifications are published by Xerox working with Intel and Digital Equipment Corporation.
 * 1993 – The 6.2 Latur earthquake shakes Maharashtra, India with a maximum Mercalli intensity of VIII (Severe) killing 9,748 and injuring 30,000.
 * 1999 – The Tokaimura nuclear accident causes the deaths of two technicians in Japan's second-worst nuclear accident.
 * 2000 – Israeli-Palestinian conflict: Twelve-year-old Muhammad al-Durrah is shot and killed on the second day of the Second Intifada.
 * 2005 – Controversial drawings of Muhammad are printed in a Danish newspaper.
 * 2009 – The 7.6 Sumatra earthquake leaves 1,115 people dead.
 * 2016 – Hurricane Matthew becomes a Category 5 hurricane, making it the strongest hurricane to form in the Caribbean Sea since 2007.
 * 2016  – Two paintings with a combined value of $100 million are recovered after having been stolen from the Van Gogh Museum in 2002.

Pre-1600

 * 1207 – Rumi, Persian mystic and poet (d. 1273)
 * 1227 – Pope Nicholas IV (d. 1292)
 * 1530 – Girolamo Mercuriale, Italian philologist and physician (d. 1606)
 * 1550 – Michael Maestlin, German astronomer and mathematician (d. 1631)

1601–1900

 * 1622 – Johann Sebastiani, German composer (d. 1683)
 * 1689 – Jacques Aubert, French violinist and composer (d. 1753)
 * 1700 – Stanisław Konarski, Polish monk, poet, and playwright (d. 1773)
 * 1710 – John Russell, 4th Duke of Bedford, English politician, Lord President of the Council (d. 1771)
 * 1714 – Étienne Bonnot de Condillac, French epistemologist and philosopher (d. 1780)
 * 1732 – Jacques Necker, Swiss-French politician, Prime Minister of France (d. 1804)
 * 1743 – Christian Ehregott Weinlig, German cantor and composer (d. 1813)
 * 1765 – José María Morelos, Mexican priest and general (d. 1815)
 * 1800 – Decimus Burton, English architect, designed the Pharos Lighthouse (d. 1881)
 * 1813 – John Rae, Scottish physician and explorer (d. 1893)
 * 1814 – Lucinda Hinsdale Stone, American feminist, educator, and philanthropist (d. 1900)
 * 1827 – Ellis H. Roberts, American journalist and politician, 20th Treasurer of the United States (d. 1918)
 * 1832 – Ann Jarvis, American activist, co-founded Mother's Day (d. 1905)
 * 1836 – Remigio Morales Bermúdez, Peruvian politician, 56th President of Peru (d. 1894)
 * 1852 – Charles Villiers Stanford, Irish composer, conductor, and educator (d. 1924)
 * 1861 – William Wrigley, Jr., American businessman, founded Wrigley Company (d. 1932)
 * 1863 – Reinhard Scheer, German admiral (d. 1928)
 * 1870 – Thomas W. Lamont, American banker and philanthropist (d. 1948)
 * 1870  – Jean Baptiste Perrin, French-American physicist and chemist, Nobel Prize laureate (d. 1942)
 * 1882 – Hans Geiger, German physicist and academic (d. 1945)
 * 1883 – Bernhard Rust, German educator and politician (d. 1945)
 * 1883  – Nora Stanton Blatch Barney, American civil engineer, architect, and suffragist (d. 1971)
 * 1887 – Lil Dagover, Indonesian-German actress (d. 1980)
 * 1893 – Lansdale Ghiselin Sasscer, American lieutenant, lawyer, and politician (d. 1964)
 * 1895 – Lewis Milestone, Moldovan-American director, producer, and screenwriter (d. 1980)
 * 1897 – Alfred Wintle, Russian-English soldier and politician (d. 1966)
 * 1897  – Charlotte Wolff, German-English physician and psychotherapist (d. 1986)
 * 1898 – Renée Adorée, French-American actress (d. 1933)
 * 1898  – Princess Charlotte, Duchess of Valentinois (d. 1977)
 * 1898  – Edgar Parin d'Aulaire, German-American author and illustrator (d. 1986)

1901–present

 * 1901 – Thelma Terry, American bassist and bandleader (d. 1966)
 * 1904 – Waldo Williams, Welsh poet and academic (d. 1971)
 * 1905 – Nevill Francis Mott, English physicist and academic, Nobel Prize laureate (d. 1996)
 * 1905  – Michael Powell, English director, producer, and screenwriter (d. 1990)
 * 1906 – Mireille Hartuch, French singer-songwriter and actress (d. 1996)
 * 1908 – David Oistrakh, Ukrainian-Russian violinist and educator (d. 1974)
 * 1910 – Jussi Kekkonen, Finnish captain (d. 1962)
 * 1911 – Gustave Gilbert, American psychologist (d. 1977)
 * 1912 – Kenny Baker, American singer and actor (d. 1985)
 * 1913 – Bill Walsh, American screenwriter and producer (d. 1975)
 * 1915 – Lester Maddox, American businessman and politician, 75th Governor of Georgia (d. 2003)
 * 1917 – Yuri Lyubimov, Russian actor and director (d. 2014)
 * 1917  – Buddy Rich, American drummer, bandleader, and actor (d. 1987)
 * 1918 – Lewis Nixon, U.S. Army captain (d. 1995)
 * 1918  – René Rémond, French historian and economist (d. 2007)
 * 1919 – Roberto Bonomi, Argentinian race car driver (d. 1992)
 * 1919  – Elizabeth Gilels, Ukrainian-Russian violinist and educator (d. 2008)
 * 1919  – William L. Guy, American lieutenant and politician, 26th Governor of North Dakota (d. 2013)
 * 1919  – Patricia Neway, American soprano and actress (d. 2012)
 * 1921 – Deborah Kerr, Scottish-English actress (d. 2007)
 * 1921  – Aldo Parisot, Brazilian-American cellist and educator (d. 2018)
 * 1922 – Lamont Johnson, American actor, director, and producer (d. 2010)
 * 1922  – Hrishikesh Mukherjee, Indian director, producer, and screenwriter (d. 2006)
 * 1923 – Donald Swann, Welsh-English pianist and composer (d. 1994)
 * 1924 – Truman Capote, American novelist, playwright, and screenwriter (d. 1984)
 * 1925 – Arkady Ostashev, Russian engineer and scientist in the former Soviet space program (d. 1998)
 * 1926 – Heino Kruus, Estonian basketball player and coach (d. 2012)
 * 1926  – Robin Roberts, American baseball player, coach, and sportscaster (d. 2010)
 * 1927 – W. S. Merwin, American poet and translator (d. 2019)
 * 1928 – Elie Wiesel, Romanian-American author, academic, and activist, Nobel Prize laureate (d. 2016)
 * 1928  – Ray Willsey, Canadian-American football player and coach (d. 2013)
 * 1929 – Carol Fenner, American author and illustrator (d. 2002)
 * 1929  – Vassilis Papazachos, Greek seismologist and academic (d. 2022)
 * 1929  – Leticia Ramos-Shahani, Filipino politician, diplomat and writer (d. 2017)
 * 1929  – Dorothee Sölle, German theologian and author (d. 2003)
 * 1931 – Angie Dickinson, American actress
 * 1931  – Teresa Gorman, English educator and politician (d. 2015)
 * 1932 – Shintaro Ishihara, Japanese author, playwright, and politician, Governor of Tokyo (d. 2022)
 * 1932  – Johnny Podres, American baseball player and coach (d. 2008)
 * 1933 – Cissy Houston, American singer
 * 1934 – Alan A'Court, English footballer and manager (d. 2009)
 * 1934  – Udo Jürgens, Austrian-Swiss singer-songwriter and pianist (d. 2014)
 * 1934  – Anna Kashfi, Indian-American actress (d. 2015)
 * 1935 – Johnny Mathis, American singer and actor
 * 1936 – Jim Sasser, American lawyer and politician, 6th United States Ambassador to China
 * 1936  – Sevgi Soysal, Turkish author (d. 1976)
 * 1937 – Jurek Becker, Polish-German author (d. 1997)
 * 1937  – Valentyn Sylvestrov, Ukrainian pianist and composer
 * 1937  – Gary Hocking, Rhodesian motorcycle racer (d. 1962)
 * 1938 – Alan Hacker, English clarinet player and educator (d. 2012)
 * 1939 – Len Cariou, Canadian actor
 * 1939  – Anthony Green, English painter and academic (d. 2023)
 * 1939  – Jean-Marie Lehn, French chemist and academic, Nobel Prize laureate
 * 1940 – Claudia Card, American philosopher and academic (d. 2015)
 * 1940  – Harry Jerome, Canadian sprinter (d. 1982)
 * 1940  – Dewey Martin, Canadian-American drummer (d. 2009)
 * 1941 – Samuel F. Pickering, Jr., American author and educator
 * 1941  – Kamalesh Sharma, Indian academic and diplomat, 5th Commonwealth Secretary General
 * 1941  – Reine Wisell, Swedish race car driver (d. 2022)
 * 1942 – Gus Dudgeon, English record producer (d. 2002)
 * 1942  – Frankie Lymon, American singer-songwriter (d. 1968)
 * 1943 – Johann Deisenhofer, German-American biochemist and biophysicist, Nobel Prize laureate
 * 1943  – Marilyn McCoo, American singer
 * 1943  – Philip Moore, English organist and composer
 * 1943  – Ian Ogilvy, English-American actor, playwright, and author
 * 1944 – Diane Dufresne, Canadian singer and painter
 * 1944  – Jimmy Johnstone, Scottish footballer (d. 2006)
 * 1944  – Red Robbins, American basketball player (d. 2009)
 * 1945 – Richard Edwin Hills, English astronomer and academic (d. 2022)
 * 1945  – Ehud Olmert, Israeli lawyer and politician, 12th Prime Minister of Israel
 * 1946 – Fran Brill, American actress, singer, and puppeteer
 * 1946  – Robert Gascoyne-Cecil, 7th Marquess of Salisbury, English academic and politician, Leader of the House of Lords
 * 1946  – Héctor Lavoe, Puerto Rican-American singer-songwriter (d. 1993)
 * 1946  – Jochen Mass, German race car driver
 * 1946  – Paul Sheahan, Australian cricketer and educator
 * 1946  – Claude Vorilhon, French journalist, founded Raëlism
 * 1947 – Marc Bolan, English singer-songwriter and guitarist (d. 1977)
 * 1947  – Rula Lenska, English actress
 * 1948 – Craig Kusick, American baseball player and coach (d. 2006)
 * 1949 – Michel Tognini, French pilot, engineer, military officer and astronaut
 * 1950 – Laura Esquivel, Mexican author and screenwriter
 * 1950  – Victoria Tennant, English actress and dancer
 * 1951 – John Lloyd, English screenwriter and producer
 * 1951  – Barry Marshall, Australian physician and academic, Nobel Prize laureate
 * 1951  – Simon White, English astrophysicist and academic
 * 1952 – John Finn, American actor
 * 1952  – John Lombardo, American singer-songwriter and guitarist
 * 1953 – Matt Abts, American drummer
 * 1953  – Deborah Allen, American country music singer-songwriter, author, and actress
 * 1954 – Basia, Polish singer-songwriter and record producer
 * 1954  – John Drew, American basketball player (d. 2022)
 * 1954  – Scott Fields, American guitarist and composer
 * 1954  – Patrice Rushen, American singer-songwriter and producer
 * 1954  – Barry Williams, American actor
 * 1955 – Andy Bechtolsheim, German engineer, co-founded Sun Microsystems
 * 1955  – Frankie Kennedy, Northern Irish flute player  (d. 1994)
 * 1956 – Trevor Morgan, English footballer and manager
 * 1957 – Fran Drescher, American actress, producer, and screenwriter
 * 1958 – Marty Stuart, American singer-songwriter and guitarist
 * 1959 – Ettore Messina, Italian basketball player and coach
 * 1960 – Julia Adamson, Canadian-English keyboard player, composer, and producer
 * 1960  – Nicola Griffith, English-American author
 * 1960  – Miki Howard, American singer-songwriter, producer, and actress
 * 1960  – Blanche Lincoln, American politician
 * 1961 – Crystal Bernard, American actress and singer-songwriter
 * 1961  – Gary Coyne, Australian rugby league player
 * 1961  – Eric Stoltz, American actor, director, and producer
 * 1961  – Mel Stride, English politician
 * 1961  – Eric van de Poele, Belgian race car driver
 * 1962 – Marley Marl, American record producer and rapper
 * 1963 – David Barbe, American bass player and producer
 * 1964 – Trey Anastasio, American singer-songwriter, guitarist, and composer
 * 1964  – Monica Bellucci, Italian actress and fashion model
 * 1965 – Omid Djalili, English comedian, actor, and producer
 * 1966 – Gary Armstrong, Scottish rugby player
 * 1966  – Markus Burger, German pianist, composer, and educator
 * 1966  – Angus Taylor, Australian politician
 * 1967 – Emmanuelle Houdart, Swiss-French author and illustrator
 * 1967  – Andrea Roth, Canadian actress
 * 1969 – Gintaras Einikis, Lithuanian basketball player
 * 1969  – Amy Landecker, American actress
 * 1969  – Silas Weir Mitchell, American actor
 * 1969  – Chris von Erich, American wrestler (d. 1991)
 * 1970 – Tony Hale, American actor and producer
 * 1970  – Damian Mori, Australian footballer and manager
 * 1970  – Eric Piatkowski, American basketball player
 * 1971 – Jenna Elfman, American actress and producer
 * 1972 – Jamal Anderson, American football player and sportscaster
 * 1972  – Ari Behn, Danish-Norwegian author and playwright (d. 2019)
 * 1972  – John Campbell, American bass player and songwriter
 * 1972  – Mayumi Kojima, Japanese singer-songwriter
 * 1972  – José Lima, Dominican baseball player (d. 2010)
 * 1973 – Rubén Wolkowyski, Argentine basketball player
 * 1974 – Jeremy Giambi, American baseball player (d. 2022)
 * 1974  – Tom Greatrex, English politician
 * 1974  – Ashley Hamilton, American actor and singer-songwriter
 * 1974  – Ben Phillips, English cricketer
 * 1974  – Daniel Wu, American–born Hong Kong actor, director, and producer
 * 1975 – Jay Asher, American author
 * 1975  – Ta-Nehisi Coates, American author and journalist
 * 1975  – Marion Cotillard, French actress and singer
 * 1975  – Carlos Guillén, Venezuelan baseball player
 * 1975  – Laure Pequegnot, French skier
 * 1975  – Christopher Jackson, American actor, singer, musician, and composer
 * 1976  – Georgie Bingham, British radio and television presenter
 * 1977 – Roy Carroll, Northern Irish goalkeeper and manager
 * 1977  – Nick Curran, American singer-songwriter, guitarist, and producer (d. 2012)
 * 1978 – Małgorzata Glinka-Mogentale, Polish volleyball player
 * 1978  – Candice Michelle, American wrestler
 * 1978  – Daniel Grossberg, American politician
 * 1979 – Cameron Bruce, Australian footballer and coach
 * 1979  – Andy van der Meyde, Dutch footballer
 * 1980 – Martina Hingis, Swiss tennis player
 * 1980  – Milagros Sequera, Venezuelan tennis player
 * 1980  – Toni Trucks, American actress
 * 1981 – Cecelia Ahern, Irish author
 * 1981  – Dominique Moceanu, American gymnast
 * 1982 – Dmytro Boyko, Ukrainian footballer
 * 1982  – Lacey Chabert, American actress
 * 1982  – Ryane Clowe, Canadian ice hockey player
 * 1982  – Kieran Culkin, American actor
 * 1982  – Andrew Hastie, Australian politician
 * 1982  – Seth Smith, American baseball player
 * 1982  – Yan Stastny, Canadian-American ice hockey player
 * 1983 – Boniek Forbes, Guinea-Bissau footballer
 * 1983  – Adam Jones, American football player and analyst
 * 1983  – Andreea Răducan, Romanian gymnast
 * 1984 – Georgios Eleftheriou, Greek footballer
 * 1984  – T-Pain, American rapper, producer, and actor
 * 1985 – Adam Cooney, Australian footballer
 * 1985  – David Gower, Australian rugby league player
 * 1985  – Téa Obreht, Serbian-American author
 * 1985  – Cristian Rodríguez, Uruguayan footballer
 * 1986 – Olivier Giroud, French footballer
 * 1986  – Martin Guptill, New Zealand cricketer
 * 1986  – Ki Hong Lee, American actor
 * 1986  – Ben Lovett, Welsh musician and songwriter
 * 1986  – Cristián Zapata, Colombian footballer
 * 1987 – Aida Garifullina, Russian operatic soprano
 * 1987  – Kenley Jansen, Curaçaoan baseball player
 * 1988 – Eglė Staišiūnaitė, Lithuanian hurdler
 * 1989 – Jasmine Thomas, American basketball player
 * 1989  – André Weis, German footballer
 * 1991 – David Bakhtiari, American football player
 * 1991  – Joffrey Lauvergne, French basketball player
 * 1991  – Thomas Röhler, German javelin thrower
 * 1992 – Bria Hartley, French-American basketball player
 * 1992  – Ezra Miller, American actor and singer
 * 1994 – Aliya Mustafina, Russian gymnast
 * 1994  – Wayne Selden Jr., American basketball player
 * 1996 – Aaron Holiday, American basketball player
 * 1996  – Jacob Host, Australian rugby league player
 * 1997 – Yana Kudryavtseva, Russian gymnast
 * 1997  – Max Verstappen, Dutch race car driver
 * 1998 – Landon Dickerson, American football player
 * 1998  – Yui Imaizumi, Japanese actress, singer, model, and television personality
 * 1998  – Trevi Moran, American YouTuber and singer
 * 2002 – Levi Miller, Australian actor and model
 * 2002  – Tara Würth, Croatian tennis player
 * 2002  – Maddie Ziegler, American dancer and actress

Pre-1600

 * 420 – Jerome, Roman priest, theologian, and saint
 * 653 – Honorius of Canterbury, Italian archbishop and saint
 * 940 – Fan Yanguang, Chinese general
 * 954 – Louis IV of France (b. 920)
 * 1101 – Anselm IV, Italian archbishop
 * 1246 – Yaroslav II of Vladimir (b. 1191)
 * 1288 – Leszek II the Black, Polish prince, Duke of Łęczyca, Sieradz, Kraków, Sandomierz (b. 1241)
 * 1376 – Adelaide of Vianden, German countess
 * 1440 – Reginald Grey, 3rd Baron Grey de Ruthyn, Welsh soldier and politician (b. 1362)
 * 1487 – John Sutton, 1st Baron Dudley, English politician, Lord Lieutenant of Ireland (b. 1400)
 * 1551 – Ōuchi Yoshitaka, Japanese daimyō (b. 1507)
 * 1560 – Melchior Cano, Spanish theologian (b. 1525)
 * 1572 – Francis Borgia, 4th Duke of Gandía, Spanish priest and saint, 3rd Superior General of the Society of Jesus (b. 1510)
 * 1581 – Hubert Languet, French diplomat and reformer (b. 1518)

1601–1900

 * 1626 – Nurhaci, Chinese emperor (b. 1559)
 * 1628 – Fulke Greville, 1st Baron Brooke, English poet and politician, Chancellor of the Exchequer (b. 1554)
 * 1770 – Thomas Robinson, 1st Baron Grantham, English politician and diplomat, Secretary of State for the Southern Department (b. 1695)
 * 1770  – George Whitefield, English-American priest and theologian (b. 1714)
 * 1865 – Samuel David Luzzatto, Italian poet and scholar (b. 1800)
 * 1866 – Per Gustaf Svinhufvud af Qvalstad, Swedo-Finnish treasurer of Tavastia province, manor host, and paternal grandfather of President P. E. Svinhufvud (b. 1804)
 * 1891 – Georges Ernest Boulanger, French general and politician, French Minister of War (b. 1837)
 * 1897 – Thérèse of Lisieux, French nun and saint (b. 1873)

1901–present

 * 1910 – Maurice Lévy, French mathematician and engineer (b. 1838)
 * 1921 – Fanya Baron, Lithuanian Jewish anarchist (b. 1887)
 * 1942 – Hans-Joachim Marseille, German captain and pilot (b. 1919)
 * 1943 – Franz Oppenheimer, German-American sociologist and economist (b. 1864)
 * 1946 – Takashi Sakai, Japanese general and politician, Governor of Hong Kong (b. 1887)
 * 1955 – James Dean, American actor (b. 1931)
 * 1959 – Henry Barwell, Australian politician, 28th Premier of South Australia (b. 1877)
 * 1961 – Onésime Gagnon, Canadian scholar and politician, 20th Lieutenant Governor of Quebec (b. 1888)
 * 1973 – Peter Pitseolak, Canadian photographer and author (b. 1902)
 * 1974 – Carlos Prats, Chilean general and politician, Chilean Minister of Defense (b. 1915)
 * 1977 – Mary Ford, American singer and guitarist (b. 1924)
 * 1978 – Edgar Bergen, American actor and ventriloquist (b. 1903)
 * 1985 – Charles Francis Richter, American seismologist and physicist (b. 1900)
 * 1985  – Simone Signoret, French actress (b. 1921)
 * 1986 – Nicholas Kaldor, Hungarian-British economist (b. 1908)
 * 1987 – Alfred Bester, American author and screenwriter (b. 1913)
 * 1988 – Al Holbert, American race car driver (b. 1946)
 * 1989 – Drew Shafer, American LGBT rights activist from Missouri (b. 1936)
 * 1989  – Virgil Thomson, American composer and critic (b. 1896)
 * 1990 – Rob Moroso, American race car driver (b. 1968)
 * 1990  – Alice Parizeau, Polish-Canadian journalist and author (b. 1930)
 * 1990  – Patrick White, Australian novelist, poet, and playwright, Nobel Prize laureate (b. 1912)
 * 1991 – Toma Zdravković, Serbian singer-songwriter (b. 1938)
 * 1994 – André Michel Lwoff, French microbiologist and virologist, Nobel Prize laureate (b. 1902)
 * 1998 – Marius Goring, English actor (b. 1912)
 * 1998  – Dan Quisenberry, American baseball player and poet (b. 1953)
 * 1998  – Robert Lewis Taylor, American soldier and author (b. 1912)
 * 2002 – Göran Kropp, Swedish race car driver and mountaineer (b. 1966)
 * 2002  – Hans-Peter Tschudi, Swiss lawyer and politician, 63rd President of the Swiss Confederation (b. 1913)
 * 2003 – Yusuf Bey, American activist, founded Your Black Muslim Bakery (b. 1935)
 * 2003  – Ronnie Dawson, American singer-songwriter and guitarist (b. 1939)
 * 2003  – Robert Kardashian, American lawyer and businessman (b. 1944)
 * 2004 – Gamini Fonseka, Sri Lankan actor, director, and politician (b. 1936)
 * 2004  – Jacques Levy, American director and songwriter (b. 1935)
 * 2004  – Michael Relph, English director, producer, and screenwriter (b. 1915)
 * 2008 – J. B. Jeyaretnam, Singaporean lawyer and politician (b. 1926)
 * 2010 – Stephen J. Cannell, American screenwriter and producer (b. 1941)
 * 2011 – Anwar al-Awlaki, American-Yemeni terrorist (b. 1971)
 * 2011  – Ralph M. Steinman, Canadian-American immunologist and biologist, Nobel Prize laureate (b. 1943)
 * 2012 – Turhan Bey, Austrian actor and producer (b. 1922)
 * 2012  – Barry Commoner, American biologist, academic, and politician (b. 1917)
 * 2012  – Bobby Jaggers, American wrestler and engineer (b. 1948)
 * 2012  – Clara Stanton Jones, American librarian (b. 1913)
 * 2012  – Barbara Ann Scott, Canadian-American figure skater (b. 1928)
 * 2012  – Boris Šprem, Croatian lawyer and politician, 8th Speaker of the Croatian Parliament (b. 1956)
 * 2013 – Janet Powell, Australian educator and politician (b. 1942)
 * 2014 – Martin Lewis Perl, American physicist and engineer, Nobel Prize laureate (b. 1927)
 * 2015 – Guido Altarelli, Italian-Swiss physicist and academic (b. 1941)
 * 2015  – Claude Dauphin, French businessman (b. 1951)
 * 2015  – Göran Hägg, Swedish author and critic (b. 1947)
 * 2017 – Monty Hall, American game show host (b. 1921)
 * 2017  – Vladimir Voevodsky, Russian-American mathematician (b. 1966)
 * 2018 – Kim Larsen, Danish rock musician (b. 1945)
 * 2018  – Geoffrey Hayes, British television presenter and actor (b. 1942)
 * 2018  – Sonia Orbuch, Polish resistance fighter during the Second World War and Holocaust educator. (b. 1925)
 * 2019 – Victoria Braithwaite, British research scientist who proved fish feel pain (b. 1967)
 * 2021 – Koichi Sugiyama, Japanese composer and orchestrator (b. 1931)

Holidays and observances

 * Agricultural Reform (Nationalization) Day (São Tomé and Príncipe)
 * Birth of Morelos (Mexico)
 * Blasphemy Day, educates individuals and groups about blasphemy laws and defends freedom of expression
 * Boy's Day (Poland)
 * Christian feast day:
 * Gregory the Illuminator
 * Honorius of Canterbury
 * Jerome
 * September 30 (Eastern Orthodox liturgics)
 * Independence Day (Botswana) or Botswana Day, celebrates the independence of Botswana from United Kingdom in 1966.
 * International Translation Day (International Federation of Translators)
 * National Day for Truth and Reconciliation or Orange Shirt Day (Canada)