October 30

Pre-1600

• 637 – Arab–Byzantine wars: Antioch surrenders to the Rashidun Caliphate after the Battle of the Iron Bridge.
• 758 – Guangzhou is sacked by Arab and Persian pirates.
• 1137 – Ranulf of Apulia defeats Roger II of Sicily at the Battle of Rignano, securing his position as duke until his death two years later.
• 1270 – The Eighth Crusade ends by an agreement between Charles I of Anjou (replacing his deceased brother King Louis IX of France) and the Hafsid dynasty of Tunis, Tunisia.
• 1340 – Reconquista: Portuguese and Castilian forces halt a Muslim invasion at the Battle of Río Salado.

1601–1900

• 1657 – Anglo-Spanish War: Spanish forces fail to retake Jamaica at the Battle of Ocho Rios.
• 1806 – War of the Fourth Coalition: Convinced that he is facing a much larger force, Prussian General von Romberg, commanding 5,300 men, surrenders the city of Stettin to 800 French soldiers.
• 1817 – Simón Bolívar becomes President of the Third Republic of Venezuela.
• 1831 – Nat Turner is arrested for leading the bloodiest slave rebellion in United States history.
• 1863 – Danish Prince Vilhelm arrives in Athens to assume his throne as George I, King of the Hellenes.
• 1864 – The Treaty of Vienna is signed, by which Denmark relinquishes one province each to Prussia and Austria.
• 1888 – The Rudd Concession is granted by Matabeleland to agents of Cecil Rhodes.

1901–present

• 1905 – Czar Nicholas II issues the October Manifesto, nominally granting the Russian peoples basic civil liberties and the right to form a duma. (October 17 in the Julian calendar)
• 1918 – World War I: The Ottoman Empire signs the Armistice of Mudros with the Allies.
• 1918 – World War I: Lands of the Crown of Saint Stephen, a state union of Kingdom of Hungary and Triune Kingdom of Croatia, Slavonia and Dalmatia is abolished with decisions of Croatian and Hungarian parliaments
• 1920 – The Communist Party of Australia is founded in Sydney.
• 1938 – Orson Welles broadcasts a radio adaptation of H. G. Wells's The War of the Worlds, causing a massive panic in some of the audience in the United States.
• 1941 – President Roosevelt approves $1 billion in Lend-Lease aid to the Allied nations.
• 1941 – Holocaust: Fifteen hundred Jews from Pidhaytsi are sent by Nazis to Bełżec extermination camp.
• 1942 – World War II: Lt. Tony Fasson and Able Seaman Colin Grazier drown while taking code books from the sinking German submarine U-559.
• 1944 – Holocaust: Anne and Margot Frank are deported from Auschwitz to the Bergen-Belsen concentration camp, where they die from disease the following year, shortly before the end of WWII.
• 1945 – Jackie Robinson of the Kansas City Monarchs signs a contract for the Brooklyn Dodgers, breaking the baseball color line.
• 1947 – The General Agreement on Tariffs and Trade (GATT), the foundation of the World Trade Organization (WTO), is founded.
• 1948 – A luzzu fishing boat overloaded with passengers capsizes and sinks in the Gozo Channel off Qala, Gozo, Malta, killing 23 of the 27 people on board.
• 1953 – President Eisenhower approves the top-secret document NSC 162/2 concerning the maintenance of a strong nuclear deterrent force against the Soviet Union.
• 1956 – Hungarian Revolution: The government of Imre Nagy recognizes newly established revolutionary workers' councils. Army officer Béla Király leads anti-Soviet militias in an attack on the headquarters of the Hungarian Working People's Party.
• 1959 – Piedmont Airlines Flight 349 crashes on approach to Charlottesville–Albemarle Airport in Albemarle County, Virginia, killing 26 of the 27 on board.
• 1961 – The Soviet Union detonates the Tsar Bomba, the most powerful explosive device ever detonated.
• 1961 – Due to "violations of Vladimir Lenin's precepts", it is decreed that Joseph Stalin's body be removed from its place of honour inside Lenin's tomb and buried near the Kremlin Wall with a plain granite marker.
• 1968 – A squad of 120 North Korean Army commandos land in boats along a 25-mile long section of the eastern coast of South Korea in a failed attempt to overthrow the dictatorship of Park Chung Hee and bring about the reunification of Korea.
• 1973 – The Bosphorus Bridge in Turkey is completed, connecting the continents of Europe and Asia over the Bosphorus for the second time.
• 1975 – Prince Juan Carlos I of Spain becomes acting head of state, taking over for the country's ailing dictator, Gen. Francisco Franco.
• 1975 – Forty-five people are killed when Inex-Adria Aviopromet Flight 450 crashes into Suchdol, Prague, while on approach to Prague Ruzyně Airport (now Václav Havel Airport Prague) in Czechoslovakia (present-day Czech Republic).
• 1980 – El Salvador and Honduras agree to put the border dispute fought over in 1969's Football War before the International Court of Justice.
• 1983 – The first democratic elections in Argentina, after seven years of military rule, are held.
• 1983 – A magnitude 6.6 earthquake in the Turkish provinces of Erzurum and Kars leaves approximately 1,340 people dead.
• 1985 – Space Shuttle Challenger lifts off for mission STS-61-A, its final successful mission.
• 1991 – The Israeli-Palestinian conflict: The Madrid Conference commences in an effort to revive peace negotiations between Israel and Palestine.
• 1995 – Quebec citizens narrowly vote (50.58% to 49.42%) in favour of remaining a province of Canada in their second referendum on national sovereignty.
• 2005 – The rebuilt Dresden Frauenkirche (destroyed in the firebombing of Dresden during World War II) is reconsecrated after a thirteen-year rebuilding project.
• 2013 – Forty-five people are killed and seven injured after a bus catches fire in Mahabubnagar district, Andhra Pradesh (present-day Telangana), India.
• 2014 – Sweden becomes the first European Union member state to officially recognize the State of Palestine.
• 2014 – Four people are killed when a Beechcraft Super King Air crashes at Wichita Dwight D. Eisenhower National Airport in Wichita, Kansas.
• 2015 – A fire in a nightclub in the Romanian capital of Bucharest kills sixty-four people and leaves more than 147 injured.
• 2020 – A magnitude 7.0 earthquake strikes the Aegean Sea between Greece and Turkey, triggering a tsunami. At least 119 people die mainly due to collapsed buildings.
• 2022 – A pedestrian suspension bridge collapses in the city of Morbi, Gujarat, leading to the deaths of at least 135 people.

Pre-1600

• 39 BC – Julia the Elder, Roman daughter of Augustus (d. 14)
• 1218 – Emperor Chūkyō of Japan (d. 1234)
• 1327 – Andrew, Duke of Calabria (d. 1345)
• 1447 – Lucas Watzenrode, Prince-Bishop of Warmia (d. 1512)
• 1492 – Anne d'Alençon, French noblewoman (d. 1562)
• 1513 – Jacques Amyot, French bishop and translator (d. 1593)
• 1558 – Jacques-Nompar de Caumont, duc de La Force, Marshal of France (d. 1652)

1601–1900

• 1624 – Paul Pellisson, French historian and author (d. 1693)
• 1632 – Christopher Wren, English physicist, mathematician, and architect, designed St Paul's Cathedral (d. 1723)
• 1660 – Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg (d. 1731)
• 1668 – Sophia Charlotte of Hanover (d. 1705)
• 1712 – Giovanni Pietro Francesco Agius de Soldanis, Maltese linguist, historian and cleric (d. 1770)
• 1728 – Mary Hayley, English businesswoman (d. 1808)
• 1735 – John Adams, American lawyer and politician, 2nd President of the United States (d. 1826)
• 1741 – Angelica Kauffman, painter (d. 1807)
• 1751 – Richard Brinsley Sheridan, Irish-English poet, playwright, and politician, Treasurer of the Navy (d. 1816)
• 1762 – André Chénier, Turkish-French poet and playwright (d. 1794)
• 1786 – Philippe-Joseph Aubert de Gaspé, Canadian captain and author (d. 1871)
• 1799 – Ignace Bourget, Canadian bishop (d. 1885)
• 1839 – Alfred Sisley, French-English painter (d. 1899)
• 1857 – Georges Gilles de la Tourette, French-Swiss physician and neurologist (d. 1904)
• 1861 – Antoine Bourdelle, French sculptor and painter (d. 1929)
• 1868 – António Cabreira, Portuguese polygraph (d. 1953)
• 1871 – Buck Freeman, American baseball player (d. 1949)
• 1871 – Paul Valéry, French poet and philosopher (d. 1945)
• 1873 – Francisco I. Madero, Mexican businessman and politician, 33rd President of Mexico (d. 1913)
• 1877 – Hugo Celmiņš, Latvian politician, Prime Minister of Latvia (d. 1941)
• 1878 – Arthur Scherbius, German electrical engineer, invented the Enigma machine (d. 1929)
• 1881 – Elizabeth Madox Roberts, American poet and author (d. 1941)
• 1882 – Oldřich Duras, Czech chess player and composer (d. 1957)
• 1882 – William Halsey Jr., American admiral (d. 1959)
• 1882 – Günther von Kluge, Polish-German field marshal (d. 1944)
• 1885 – Ezra Pound, American poet and critic (d. 1972)
• 1886 – Zoë Akins, American author, poet, and playwright (d. 1958)
• 1887 – Sukumar Ray, Indian-Bangladeshi author, poet, and playwright (d. 1923)
• 1888 – Louis Menges, American soccer player, soldier, and politician (d. 1969)
• 1888 – Konstantinos Tsiklitiras, Greek footballer and high jumper (d. 1913)
• 1892 – Charles Atlas, Italian-American bodybuilder (d. 1972)
• 1893 – Roland Freisler, German soldier, lawyer, and judge (d. 1945)
• 1894 – Jean Rostand, French biologist and philosopher (d. 1977)
• 1894 – Peter Warlock, English composer and critic (d. 1930)
• 1895 – Gerhard Domagk, German pathologist and bacteriologist, Nobel Prize laureate (d. 1964)
• 1895 – Dickinson W. Richards, American physician and physiologist, Nobel Prize laureate (d. 1973)
• 1896 – Rex Cherryman, American actor (d. 1928)
• 1896 – Ruth Gordon, American actress and screenwriter (d. 1985)
• 1896 – Kostas Karyotakis, Greek poet and educator (d. 1928)
• 1896 – Harry R. Truman, American soldier (d. 1980)
• 1896 – Antonino Votto, Italian conductor (d. 1985)
• 1897 – Agustín Lara, Mexican singer-songwriter and actor (d. 1970)
• 1898 – Bill Terry, American baseball player and manager (d. 1989)
• 1900 – Ragnar Granit, Finnish-Swedish physiologist and academic, Nobel Prize laureate (d. 1991)

1901–present

• 1905 – Johnny Miles, English-Canadian runner (d. 2003)
• 1906 – Giuseppe Farina, Italian race car driver (d. 1966)
• 1906 – Hermann Fegelein, German general (d. 1945)
• 1906 – Alexander Gode, German-American linguist and translator (d. 1970)
• 1907 – Sol Tax, American anthropologist and academic (d. 1995)
• 1908 – Patsy Montana, American singer-songwriter and actress (d. 1996)
• 1908 – U. Muthuramalingam Thevar, Indian politician (d. 1963)
• 1908 – Peter Smith, English cricketer (d. 1967)
• 1908 – Dmitry Ustinov, Marshal of the Soviet Union (d. 1984)
• 1909 – Homi J. Bhabha, Indian-French physicist and academic (d. 1966)
• 1910 – Miguel Hernández, Spanish poet and playwright (d. 1942)
• 1910 – Luciano Sgrizzi, Italian-Monegasque organist and composer (d. 1994)
• 1911 – Ruth Hussey, American actress (d. 2005)
• 1914 – Richard E. Holz, American minister and composer (d. 1986)
• 1914 – Leabua Jonathan, Basotho lawyer and politician, 2nd Prime Minister of Lesotho (d. 1987)
• 1914 – Anna Wing, English actress (d. 2013)
• 1915 – Fred W. Friendly, American journalist and producer (d. 1998)
• 1915 – Jane Randolph, American-Swiss actress and singer (d. 2009)
• 1916 – Leon Day, American baseball player (d. 1995)
• 1917 – Bobby Bragan, American baseball player, coach, and manager (d. 2010)
• 1917 – Minni Nurme, Estonian writer and poet (d. 1994)
• 1917 – Nikolai Ogarkov, Russian field marshal (d. 1994)
• 1917 – Maurice Trintignant, French race car driver (d. 2005)
• 1920 – Christy Ring, Irish sportsman (d. 1979)
• 1921 – Valli Lember-Bogatkina (d. 2016)
• 1922 – Elena Mikhnenko, Ukrainian exile (d. 1993)
• 1922 – Iancu Țucărman, Romanian Holocaust survivor (d. 2021)
• 1922 – Jane White, American actress and singer (d. 2011)
• 1923 – Gloria Oden, American poet and academic (d. 2011)
• 1924 – John P. Craven, American soldier and engineer (d. 2015)
• 1925 – Tommy Ridgley, American singer and bandleader (d. 1999)
• 1926 – Jacques Swaters, Belgian race car driver and manager (d. 2010)
• 1927 – Joe Adcock, American baseball player and manager (d. 1999)
• 1928 – Daniel Nathans, American microbiologist and academic, Nobel Prize laureate (d. 1999)
• 1929 – Jean Chapman, English author
• 1929 – Olga Zubarry, Argentinian actress (d. 2012)
• 1930 – Néstor Almendros, Spanish-American director and cinematographer (d. 1992)
• 1930 – Christopher Foster, English economist and academic
• 1930 – Clifford Brown, American trumpet player and composer (d. 1956)
• 1930 – Don Meineke, American basketball player (d. 2013)
• 1931 – Vince Callahan, American lieutenant and politician (d. 2014)
• 1931 – David M. Wilson, Manx archaeologist, historian, and curator
• 1932 – Barun De, Indian historian and author (d. 2013)
• 1932 – Louis Malle, French director, producer, and screenwriter (d. 1995)
• 1933 – Col Campbell, New Zealand gardener and television host (d. 2012)
• 1934 – Keith Barnes, Welsh-Australian rugby player and coach (d. 2024)
• 1934 – Frans Brüggen, Dutch flute player and conductor (d. 2014)
• 1935 – Robert Caro, American journalist and author
• 1935 – Ágota Kristóf, Hungarian-Swiss author (d. 2011)
• 1935 – Jim Perry, American baseball player
• 1935 – Michael Winner, English director, producer, and screenwriter (d. 2013)
• 1936 – Polina Astakhova, Ukrainian gymnast and trainer (d. 2005)
• 1936 – Dick Vermeil, American football player and coach
• 1937 – Claude Lelouch, French actor, director, producer, and screenwriter
• 1937 – Brian Price, Welsh rugby player
• 1938 – Morris Lurie, Australian novelist, short story writer, and playwright (d. 2014)
• 1939 – Harvey Goldstein, English statistician and academic (d. 2020)
• 1939 – Leland H. Hartwell, American biologist and academic, Nobel Prize laureate
• 1939 – Eddie Holland, American singer-songwriter and producer
• 1939 – Grace Slick, American singer-songwriter and model
• 1941 – Marcel Berlins, French-English lawyer, journalist, and academic (d. 2019)
• 1941 – Aleksandr Dulichenko, Russian-Estonian linguist and academic
• 1941 – Theodor W. Hänsch, German physicist and academic, Nobel Prize laureate
• 1941 – Otis Williams, American singer-songwriter and producer
• 1941 – Bob Wilson, English footballer and sportscaster
• 1942 – Sven-David Sandström, Swedish composer and historian (d. 2019)
• 1943 – Paul Claes, Belgian poet and translator
• 1943 – Joanna Shimkus, Canadian actress
• 1943 – David Triesman, Baron Triesman, English union leader and politician
• 1944 – Ahmed Chalabi, Iraqi businessman and politician (d. 2015)
• 1945 – Henry Winkler, American actor, comedian, director, and producer
• 1945 – Lynne Marta, American actress (d. 2024)
• 1946 – Robert L. Gibson, American captain, pilot, and astronaut
• 1946 – Andrea Mitchell, American journalist
• 1946 – Anthony Shorrocks, English economist, author, and academic
• 1946 – Chris Slade, Welsh drummer
• 1947 – Glenn Andreotta, American soldier (d. 1968)
• 1947 – Tim Kirk, American illustrator and designer
• 1947 – Timothy B. Schmit, American singer-songwriter and bass player
• 1947 – Herschel Weingrod, American screenwriter and producer
• 1948 – Richard Alston, English dancer and choreographer
• 1948 – Garry McDonald, Australian actor and screenwriter
• 1949 – Larry Gene Bell, American murderer (d. 1996)
• 1949 – Leon Rippy, American actor
• 1950 – Phil Chenier, American basketball player and broadcaster
• 1950 – Tim Sheens, Australian rugby league player and coach
• 1951 – Tony Bettenhausen Jr., American race car driver and businessman (d. 2000)
• 1951 – Trilok Gurtu, Indian drummer and songwriter
• 1951 – Harry Hamlin, American actor
• 1951 – Poncho Sanchez, American singer and conga player
• 1953 – Pete Hoekstra, Dutch-American lawyer and politician
• 1953 – Charles Martin Smith, American actor, director, and screenwriter
• 1954 – Mahmoud El Khatib, Egyptian footballer
• 1954 – T. Graham Brown, American country singer-songwriter
• 1954 – Jeannie Kendall, American country singer-songwriter
• 1954 – Mario Testino, Peruvian-English photographer
• 1955 – Heidi Heitkamp, American lawyer and politician, 28th Attorney General of North Dakota
• 1956 – Juliet Stevenson, English actress
• 1957 – Shlomo Mintz, Israeli violinist and conductor
• 1957 – Kevin Pollak, American actor, game show host, and producer
• 1958 – Olav Dale, Norwegian saxophonist and composer (d. 2014)
• 1958 – Joe Delaney, American football player (d. 1983)
• 1958 – Ramona d'Viola, American cyclist and photographer
• 1958 – Pétur Guðmundsson, Icelandic basketball player and coach
• 1959 – Vincent Lagaf', French actor, singer, and game show host
• 1960 – Charnele Brown, American actress and singer
• 1960 – Grayson Hugh, American singer-songwriter
• 1960 – Diego Maradona, Argentinian footballer, coach, and manager (d. 2020)
• 1961 – Scott Garrelts, American baseball player
• 1961 – Giorgos Papakonstantinou, Greek economist and politician, Greek Minister of Finance
• 1961 – Larry Wilmore, American comedian and television host
• 1962 – Stefan Kuntz, German footballer and manager
• 1962 – Danny Tartabull, Puerto Rican baseball player
• 1962 – Courtney Walsh, Jamaican cricketer
• 1963 – Michael Beach, American actor and producer
• 1963 – Rebecca Heineman, American video game designer and programmer
• 1963 – Andrew Solomon, American-English journalist and author
• 1963 – Mike Veletta, Australian cricketer and coach
• 1963 – Kristina Wagner, American actress
• 1964 – Adnan Al Talyani, Emirati footballer
• 1964 – Humayun Kabir Dhali, Bangladeshi journalist and author
• 1964 – Howard Lederer, American poker player
• 1965 – Gavin Rossdale, English singer-songwriter, guitarist, and actor
• 1967 – Brad Aitken, Canadian ice hockey player
• 1967 – Leonidas Kavakos, Greek violinist and conductor
• 1968 – Emmanuelle Claret, French biathlete (d. 2013)
• 1968 – Jack Plotnick, American actor, director, and producer
• 1968 – Ken Stringfellow, American singer-songwriter and guitarist
• 1969 – Stanislav Gross, Czech lawyer and politician, 5th Prime Minister of the Czech Republic (d. 2015)
• 1969 – Snow, Canadian rapper and reggae singer-songwriter
• 1969 – Vangelis Vourtzoumis, Greek basketball player
• 1970 – Ben Bailey, American comedian and game show host
• 1970 – Tory Belleci, American visual effects designer and television presenter
• 1970 – Christine Bersola-Babao, Filipino journalist and actress
• 1970 – Billy Brown, American actor
• 1970 – Nia Long, American actress
• 1970 – Ekaterini Voggoli, Greek discus thrower
• 1971 – Fredi Bobic, Slovenian-German footballer and manager
• 1971 – Peter New, Canadian actor, voice actor and screenwriters
• 1971 – Tzanis Stavrakopoulos, Greek basketball player
• 1971 – Suzan van der Wielen, Dutch field hockey player
• 1972 – Jessica Hynes, English actress, producer, and screenwriter
• 1973 – Michael Buettner, Australian rugby league player and official
• 1973 – Silvia Corzo, Colombian lawyer and journalist
• 1973 – Edge, Canadian wrestler and actor
• 1973 – Michael Oakes, English footballer and manager
• 1973 – Raci Şaşmaz, Turkish actor, producer, and screenwriter
• 1975 – Ian D'Sa, English-Canadian singer-songwriter, guitarist, and producer
• 1975 – Marco Scutaro, Venezuelan baseball player
• 1976 – Stern John, Trinidadian footballer
• 1976 – Ümit Özat, Turkish footballer and manager
• 1976 – Maurice Taylor, American basketball player
• 1978 – Martin Dossett, American football player
• 1978 – Stephanie Izard, American chef
• 1978 – Matthew Morrison, American singer-songwriter and actor
• 1978 – Dan Poulter, English physician and politician
• 1978 – Derren Witcombe, New Zealand rugby player and cricketer
• 1979 – Jason Bartlett, American baseball player
• 1980 – Rich Alvarez, Filipino-Japanese basketball player
• 1980 – Choi Hong-man, South Korean wrestler and mixed martial artist
• 1980 – Kareem Rush, American basketball player
• 1981 – Fiona Dourif, American actress
• 1981 – Joshua Jay, American magician and author
• 1981 – Jun Ji-hyun, South Korean model and actress
• 1981 – Ayaka Kimura, Japanese singer and actress
• 1981 – Shaun Sipos, Canadian actor
• 1981 – Ian Snell, American baseball player
• 1981 – Ivanka Trump, American model and businesswoman
• 1982 – Andy Greene, American ice hockey player
• 1982 – Manny Parra, American baseball player
• 1982 – Clémence Poésy, French actress and model
• 1982 – Stalley, American rapper
• 1983 – Trent Edwards, American football player
• 1983 – Iain Hume, Canadian soccer player
• 1983 – Maor Melikson, Israeli footballer
• 1984 – Gedo, Egyptian footballer
• 1984 – Eva Marcille, American model and actress
• 1984 – David Mooney, Irish footballer
• 1984 – Isaac Ross, New Zealand rugby player
• 1984 – Tyson Strachan, Canadian ice hockey player
• 1985 – Ragnar Klavan, Estonian footballer
• 1986 – Desmond Jennings, American baseball player
• 1986 – Thomas Morgenstern, Austrian ski jumper
• 1986 – Keisuke Sohma, Japanese actor
• 1986 – Tamera Young, American basketball player
• 1987 – Danielle Fong, Canadian entrepreneur, co-founder and chief scientist of LightSail Energy
• 1987 – Ashley Graham, American model
• 1987 – Ali Riley, New Zealand footballer
• 1988 – Janel Parrish, American actress and singer
• 1989 – Ashley Barnes, Austrian-English footballer
• 1989 – Nastia Liukin, Russian-American gymnast and actress
• 1990 – Joe Panik, American baseball player
• 1990 – Suwaibou Sanneh, Gambian sprinter
• 1991 – Jarell Eddie, American basketball player
• 1991 – Artemi Panarin, Russian ice hockey player
• 1991 – Tomáš Satoranský, Czech basketball player
• 1992 – Matt Parcell, Australian rugby league player
• 1992 – Camila Silva, Chilean tennis player
• 1993 – Marcus Mariota, American football player
• 1994 – Mia Eklund, Finnish tennis player
• 1996 – Devin Booker, American basketball player
• 1996 – Kennedy McMann, American actress
• 1997 – Tage Thompson, American ice hockey player
• 1998 – Cale Makar, Canadian ice hockey player

Pre-1600

• 526 – Paul of Edessa, Syriac Orthodox bishop of Edessa
• 1137 – Sergius VII, Duke of Naples
• 1282 – Ibn Khallikan, Iraqi scholar and judge (b. 1211)
• 1459 – Poggio Bracciolini, Italian scholar and translator (b. 1380)
• 1466 – Johann Fust, German printer (b. c. 1400)
• 1522 – Jean Mouton, French composer and educator (b. 1459)
• 1553 – Jacob Sturm von Sturmeck, German politician (b. 1489)

1601–1900

• 1602 – Jean-Jacques Boissard, French poet and illustrator (b. 1528)
• 1611 – Charles IX of Sweden (b. 1550)
• 1626 – Willebrord Snell, Dutch astronomer and mathematician (b. 1580)
• 1632 – Henri II de Montmorency, French admiral and politician (b. 1595)
• 1654 – Emperor Go-Kōmyō of Japan (b. 1633)
• 1680 – Antoinette Bourignon, French-Flemish mystic (b. 1616)
• 1685 – Michel Le Tellier, French lawyer and politician, French Secretary of State for War (b. 1603)
• 1690 – Hieronymus van Beverningh, Dutch diplomat and politician (b. 1614)
• 1730 – Nedîm, Turkish poet (b. 1681)
• 1757 – Osman III, Ottoman sultan (b. 1699)
• 1757 – Edward Vernon, English admiral and politician (b. 1684)
• 1809 – William Cavendish-Bentinck, 3rd Duke of Portland, English politician, Prime Minister of the United Kingdom (b. 1738)
• 1816 – Frederick I of Württemberg (b. 1754)
• 1842 – Allan Cunningham, Scottish author and poet (b. 1784)
• 1853 – Pietro Raimondi, Italian composer (b. 1786)
• 1882 – William Forster, Indian-Australian politician, 4th Premier of New South Wales (b. 1818)
• 1883 – Dayananda Saraswati, Indian philosopher and scholar (b. 1824)
• 1883 – Robert Volkmann, German pianist and composer (b. 1815)
• 1893 – John Abbott, Canadian lawyer and politician, 3rd Prime Minister of Canada (b. 1821)
• 1894 – Honoré Mercier, Canadian lawyer and politician, 9th Premier of Quebec (b. 1840)
• 1895 – James Patterson, English-Australian politician, 17th Premier of Victoria (b. 1833)
• 1896 – Carol Benesch, Czech architect, designed Peleș Castle (b. 1822)
• 1899 – William H. Webb, American shipbuilder and philanthropist (b. 1816)

1901–present

• 1905 – Boyd Dunlop Morehead, Australian politician, 10th Premier of Queensland (b. 1843)
• 1910 – Henry Dunant, Swiss activist, founded the Red Cross, Nobel Prize laureate (b. 1828)
• 1912 – Alejandro Gorostiaga, Chilean colonel (b. 1840)
• 1912 – James S. Sherman, American lawyer and politician, 27th Vice President of the United States (b. 1855)
• 1915 – Charles Tupper, Canadian physician, lawyer, and politician, 6th Prime Minister of Canada (b. 1821)
• 1917 – Talbot Mercer Papineau, Canadian lawyer and soldier (b. 1883)
• 1919 – Ella Wheeler Wilcox, American author and poet (b. 1850)
• 1923 – Bonar Law, Canadian-English banker and politician, Prime Minister of the United Kingdom (b. 1858)
• 1929 – Norman Pritchard, Indian-English hurdler and actor (b. 1877)
• 1933 – Svend Kornbeck, Danish actor (b. 1869)
• 1942 – Walter Buckmaster, English polo player and stockbroker, co-founder of Buckmaster & Moore (b. 1872)
• 1943 – Max Reinhardt, Austrian-born American actor and director (b. 1873)
• 1957 – Fred Beebe, American baseball player and coach (b. 1880)
• 1961 – Luigi Einaudi, Italian economist and politician, 2nd President of the Italian Republic (b. 1874)
• 1963 – U. Muthuramalingam Thevar, Indian lawyer and politician (b. 1908)
• 1965 – Arthur M. Schlesinger, Sr., American historian and author (b. 1888)
• 1966 – Yiorgos Theotokas, Greek author and playwright (b. 1906)
• 1968 – Ramon Novarro, Mexican-American actor, singer, and director (b. 1899)
• 1968 – Conrad Richter, American journalist and novelist (b. 1890)
• 1968 – Rose Wilder Lane, American journalist and author (b. 1886)
• 1973 – Ants Lauter, Estonian actor and director (b. 1894)
• 1975 – Gustav Ludwig Hertz, German physicist and academic, Nobel Prize laureate (b. 1887)
• 1979 – Barnes Wallis, English scientist and engineer, inventor of the "bouncing bomb" (b. 1887)
• 1982 – Iryna Vilde, Ukrainian author and educator (b. 1907)
• 1987 – Joseph Campbell, American mythologist, scholar, and author (b. 1904)
• 1988 – T. Hee, American animator and screenwriter (b. 1911)
• 1988 – Florence Nagle, English trainer and breeder of racehorses (b. 1894)
• 1990 – V. Shantaram, Indian actor, director, and producer (b. 1901)
• 1992 – Joan Mitchell, American painter (b. 1925)
• 1993 – Paul Grégoire, Canadian cardinal (b. 1911)
• 1996 – John Young, Scottish actor (b. 1916)
• 1997 – Samuel Fuller, American actor, director, producer, and screenwriter (b. 1912)
• 1999 – Maigonis Valdmanis, Latvian basketball player (b. 1933)
• 2000 – Steve Allen, American actor, television personality, game show panelist, and talk show host (b. 1921)
• 2002 – Juan Antonio Bardem, Spanish actor, director, and screenwriter (b. 1922)
• 2002 – Jam Master Jay, American rapper and producer (b. 1965)
• 2003 – Steve O'Rourke, English race car driver and manager (b. 1940)
• 2004 – Phyllis Frost, Australian philanthropist, founded Keep Australia Beautiful (b. 1917)
• 2004 – Peggy Ryan, American actress and dancer (b. 1924)
• 2005 – Al López, American baseball player and manager (b. 1908)
• 2005 – Shamsher Singh Sheri, Indian politician (b. 1942)
• 2006 – Clifford Geertz, American anthropologist and author (b. 1926)
• 2006 – Junji Kinoshita, Japanese playwright and scholar (b. 1914)
• 2007 – Washoe, American chimpanzee (b. 1965)
• 2007 – Robert Goulet, American actor and singer (b. 1933)
• 2007 – Linda S. Stein, American businesswoman and manager (b. 1945)
• 2007 – John Woodruff, American runner and colonel (b. 1915)
• 2008 – Pedro Pompilio, Argentinian businessman (b. 1950)
• 2009 – Claude Lévi-Strauss, French anthropologist and ethnologist (b. 1908)
• 2010 – Harry Mulisch, Dutch author, poet, and playwright (b. 1927)
• 2012 – Franck Biancheri, French politician (b. 1961)
• 2012 – Samina Raja, Pakistani poet and educator (b. 1961)
• 2012 – Dan Tieman, American basketball player and coach (b. 1940)
• 2013 – Bill Currie, American baseball player (b. 1928)
• 2013 – Pete Haycock, English singer-songwriter and guitarist (b. 1951)
• 2013 – Michael Palmer, American physician and author (b. 1942)
• 2013 – Frank Wess, American saxophonist and flute player (b. 1922)
• 2014 – Elijah Malok Aleng, Sudanese general and politician (b. 1937)
• 2014 – Renée Asherson, English actress (b. 1915)
• 2014 – Juan Flavier, Filipino physician and politician (b. 1935)
• 2014 – Ida Elizabeth Osbourne, Australian actress and radio host (b. 1916)
• 2014 – Bob Geigel, American wrestler and promoter (b. 1924)
• 2014 – Thomas Menino, American businessman and politician, 53rd Mayor of Boston (b. 1942)
• 2015 – Mel Daniels, American basketball player and coach (b. 1944)
• 2015 – Al Molinaro, American actor (b. 1919)
• 2015 – Sinan Şamil Sam, Turkish boxer (b. 1974)
• 2015 – Norm Siebern, American baseball player and scout (b. 1933)
• 2017 – Kim Joo-hyuk, South Korean actor (b. 1972)

• Anniversary of the Declaration of the Slovak Nation (Slovakia)
• Christian feast day:
  • Ethelnoth (Egelnoth) the Good
  • Blessed Dominic Collins (Catholic, Ireland, Society of Jesus)
  • Gerard of Potenza
  • Blessed Maria Teresa of St. Joseph
  • John Wycliffe (Episcopal Church (USA))
  • Marcellus of Tangier
  • Saturninus of Cagliari
  • Serapion of Antioch
  • Talarican (Tarkin)
  • Theonistus
  • Zenobios and Zenobia
  • October 30 (Eastern Orthodox liturgics)
• Day of Remembrance of the Victims of Political Repressions (former Soviet republics, except Ukraine)
• Thevar Jayanthi (Thevar community, India)
• Mischief Night (Ireland, Canada, United Kingdom, United States and other places)

• "On This Day". BBC.
• The New York Times: On This Day
• "Historical Events on October 30". OnThisDay.com.