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May 31 in History
- 455 – Emperor Petronius Maximus is stoned to death by an angry mob while fleeing Rome.
- 1223 – Mongol invasion of the Cumans: Battle of the Kalka River: Mongol armies of Genghis Khan led by Subutai defeat Kievan Rus’ and Cumans.
- 1293 – Mongol invasion of Java was a punitive expedition against King Kertanegara of Singhasari, who had refused to pay tribute to the Yuan and maimed one of its ministers. However, it ended with failure for the Mongols. Regarded as establish City of Surabaya
- 1578 – King Henry III lays the first stone of the Pont Neuf (New Bridge), the oldest bridge of Paris, France.
- 1669 – Citing poor eyesight as a reason, Samuel Pepys records the last event in his diary.
- 1775 – American Revolution: The Mecklenburg Resolves are adopted in the Province of North Carolina.
- 1790 – Manuel Quimper explores the Strait of Juan de Fuca.
- 1790 – The United States enacts its first copyright statute, the Copyright Act of 1790.
- 1795 – French Revolution: The Revolutionary Tribunal is suppressed.
- 1805 – French and Spanish forces begin the assault against British forces occupying Diamond Rock.
- 1813 – In Australia, William Lawson, Gregory Blaxland and William Wentworth reach Mount Blaxland, effectively marking the end of a route across the Blue Mountains.
- 1859 – The clock tower at the Houses of Parliament, which houses Big Ben, starts keeping time.
- 1862 – American Civil War: Peninsula Campaign: Confederate forces under Joseph E. Johnston and G.W. Smith engage Union forces under George B. McClellan outside Richmond, Virginia.
- 1864 – American Civil War: Overland Campaign: Battle of Cold Harbor: The Army of Northern Virginia engages the Army of the Potomac.
- 1879 – Gilmore’s Garden in New York City is renamed Madison Square Garden by William Henry Vanderbilt and is opened to the public at 26th Street and Madison Avenue.
- 1884 – The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria.
- 1889 – Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
- 1902 – Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
- 1909 – The National Negro Committee, forerunner to the National Association for the Advancement of Colored People (NAACP), convenes for the first time.
- 1910 – The South Africa Act comes into force, establishing the Union of South Africa.
- 1911 – The RMS Titanic is launched in Belfast, Northern Ireland.
- 1911 – The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
- 1916 – World War I: Battle of Jutland: The British Grand Fleet engages the High Seas Fleet in the largest naval battle of the war, which proves indecisive.
- 1921 – The Tulsa race massacre kills at least 39, but other estimates of black fatalities vary from 55 to about 300.
- 1935 – A 7.7 Mw earthquake destroys Quetta in modern-day Pakistan killing 40,000.
- 1941 – Anglo-Iraqi War: The United Kingdom completes the re-occupation of Iraq and returns ‘Abd al-Ilah to power as regent for Faisal II.
- 1942 – World War II: Imperial Japanese Navy midget submarines begin a series of attacks on Sydney, Australia.
- 1947 – Ferenc Nagy, the democratically elected Prime Minister of Hungary, resigns from office after blackmail from the Hungarian Communist Party accusing him of being part of a plot against the state. This grants the Communists effective control of the Hungarian government.
- 1961 – The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership.
- 1961 – In Moscow City Court, the Rokotov–Faibishenko show trial begins, despite the Khrushchev Thaw to reverse Stalinist elements in Soviet society.
- 1962 – The West Indies Federation dissolves.
- 1970 – The 7.9 Mw Ancash earthquake shakes Peru with a maximum Mercalli intensity of VIII (Severe) and a landslide buries the town of Yungay, Peru. Between 66,794–70,000 were killed and 50,000 were injured.
- 1971 – In accordance with the Uniform Monday Holiday Act passed by the U.S. Congress in 1968, observation of Memorial Day occurs on the last Monday in May for the first time, rather than on the traditional Memorial Day of May 30.
- 1973 – The United States Senate votes to cut off funding for the bombing of Khmer Rouge targets within Cambodia, hastening the end of the Cambodian Civil War.
- 1977 – The Trans-Alaska Pipeline System is completed.
- 1985 – United States–Canada tornado outbreak: Forty-one tornadoes hit Ohio, Pennsylvania, New York, and Ontario, leaving 76 dead.
- 1991 – Bicesse Accords in Angola lay out a transition to multi-party democracy under the supervision of the United Nations’ UNAVEM II mission.
- 2005 – Vanity Fair reveals that Mark Felt was “Deep Throat”.
- 2008 – Usain Bolt breaks the world record in the 100m sprint, with a wind-legal (+1.7 m/s) 9.72 seconds
- 2010 – Israeli Shayetet 13 commandos boarded the Gaza Freedom Flotilla while still in international waters trying to break the ongoing blockade of the Gaza Strip; nine Turkish citizens on the flotilla were killed in the ensuing violent affray.
- 2013 – The asteroid 1998 QE2 and its moon make their closest approach to Earth for the next two centuries.
- 2013 – A record breaking 2.6 mile wide tornado strikes El Reno, Oklahoma, United States, causing eight fatalities and over 150 injuries.
- 2017 – A car bomb explodes in a crowded intersection in Kabul near the German embassy during rush hour, killing over 90 and injuring 463.
- 2017 – U.S. President Donald Trump tweets the word “covfefe” and quickly becomes a worldwide viral phenomenon.
- 2019 – A shooting occurs inside a municipal building at Virginia Beach, Virginia, leaving 13 people dead, including the shooter, and four others injured.
Births on May 31
- 1443 (or 1441) – Margaret Beaufort, Countess of Richmond and Derby (d. 1509)
- 1462 – Philipp II, Count of Hanau-Lichtenberg (d. 1504)
- 1469 – Manuel I of Portugal (d. 1521)
- 1535 – Alessandro Allori, Italian painter (d. 1607)
- 1556 – Jerzy Radziwiłł, Catholic cardinal (d. 1600)
- 1577 – Nur Jahan, Empress consort of the Mughal Empire (d. 1645)
- 1613 – John George II, Elector of Saxony (d. 1680)
- 1640 – Michał Korybut Wiśniowiecki, King of Poland (d. 1673)
- 1641 – Patriarch Dositheos II of Jerusalem (d. 1707)
- 1725 – Ahilyabai Holkar, Queen of the Malwa Kingdom under the Maratha Empire (d. 1795)
- 1732 – Count Hieronymus von Colloredo, Austrian archbishop (d. 1812)
- 1753 – Pierre Victurnien Vergniaud, French lawyer and politician (d. 1793)
- 1754 – Andrea Appiani, Italian painter and educator (d. 1817)
- 1773 – Ludwig Tieck, German poet, author, and critic (d. 1853)
- 1801 – Johann Georg Baiter, Swiss philologist and scholar (d. 1887)
- 1815 – Adye Douglas, English-Australian cricketer and politician, 15th Premier of Tasmania (d. 1906)
- 1818 – John Albion Andrew, American lawyer and politician, 25th Governor of Massachusetts (d. 1867)
- 1819 – Walt Whitman, American poet, essayist, and journalist (d. 1892)
- 1827 – Kusumoto Ine, first Japanese female doctor of Western medicine (d. 1903)
- 1835 – Hijikata Toshizō, Japanese commander (d. 1869)
- 1838 – Henry Sidgwick, English economist and philosopher (d. 1900)
- 1842 – John Cox Bray, Australian politician, 15th Premier of South Australia (d. 1894)
- 1847 – William Pirrie, 1st Viscount Pirrie, Canadian-Irish businessman and politician, Lord Mayor of Belfast (d. 1924)
- 1852 – Francisco Moreno, Argentinian explorer and academic (d. 1919)
- 1852 – Julius Richard Petri, German microbiologist, invented the Petri dish (d. 1921)
- 1857 – Pope Pius XI (d. 1939)
- 1858 – Graham Wallas, English socialist, social psychologist, and educationalist (d. 1932)
- 1860 – Walter Sickert, English painter (d. 1942)
- 1863 – Francis Younghusband, Indian-English captain and explorer (d. 1942)
- 1866 – John Ringling, American entrepreneur; one of the founders of the Ringling Brothers Circus (d. 1936)
- 1875 – Rosa May Billinghurst, British suffragette and women’s rights activist (d.1953)
- 1879 – Frances Alda, New Zealand-Australian soprano (d. 1952)
- 1882 – Sándor Festetics, Hungarian politician, Hungarian Minister of War (d. 1956)
- 1883 – Lauri Kristian Relander, Finnish politician, 2nd President of Finland (d. 1942)
- 1885 – Robert Richards, Australian politician, 32nd Premier of South Australia (d. 1967)
- 1887 – Saint-John Perse, French poet and diplomat, Nobel Prize laureate (d. 1975)
- 1892 – Michel Kikoine, Belarusian-French painter (d. 1968)
- 1892 – Erich Neumann, German lieutenant and politician (d. 1951)
- 1892 – Konstantin Paustovsky, Russian poet and author (d. 1968)
- 1892 – Gregor Strasser, German lieutenant and politician (d. 1934)
- 1894 – Fred Allen, American comedian, radio host, game show panelist, and author (d. 1956)
- 1898 – Norman Vincent Peale, American minister and author (d. 1993)
- 1900 – Lucile Godbold, American Olympic athlete (d. 1981)
- 1901 – Alfredo Antonini, Italian-American conductor and composer (d. 1983)
- 1908 – Don Ameche, American actor (d. 1993)
- 1909 – Art Coulter, Canadian-American ice hockey player (d. 2000)
- 1911 – Maurice Allais, French economist and physicist, Nobel Prize laureate (d. 2010)
- 1912 – Chien-Shiung Wu, Chinese-American experimental physicist (d. 1997)
- 1914 – Akira Ifukube, Japanese composer and educator (d. 2006)
- 1916 – Bert Haanstra, Dutch director, producer, and screenwriter (d. 1997)
- 1918 – Robert Osterloh, American actor (d. 2001)
- 1918 – Lloyd Quarterman, African American chemist (d. 1982)
- 1919 – Robie Macauley, American editor, novelist and critic (d. 1995)
- 1921 – Edna Doré, English actress (d. 2014)
- 1921 – Andrew Grima, Anglo-Italian jewellery designer (d. 2007)
- 1921 – Howard Reig, American radio and television announcer (d. 2008)
- 1921 – Alida Valli, Austrian-Italian actress and singer (d. 2006)
- 1922 – Denholm Elliott, English-Spanish actor (d. 1992)
- 1923 – Ellsworth Kelly, American painter and sculptor (d. 2015)
- 1923 – Rainier III, Prince of Monaco (d. 2005)
- 1925 – Julian Beck, American actor and director (d. 1986)
- 1927 – James Eberle, English admiral (d. 2018)
- 1927 – Michael Sandberg, Baron Sandberg, English lieutenant and banker (d. 2017)
- 1928 – Pankaj Roy, Indian cricketer (d. 2001)
- 1929 – Menahem Golan, Israeli director and producer (d. 2014)
- 1930 – Clint Eastwood, American actor, director, musician, and producer
- 1931 – John Robert Schrieffer, American physicist and academic, Nobel Prize laureate (d. 2019)
- 1931 – Shirley Verrett, American soprano and actress (d. 2010)
- 1932 – Ed Lincoln, Brazilian pianist, bassist, and composer (d. 2012)
- 1932 – Jay Miner, American computer scientist and engineer (d. 1994)
- 1933 – Henry B. Eyring, American religious leader, educator, and author
- 1934 – Jim Hutton, American actor (d. 1979)
- 1935 – Jim Bolger, New Zealand businessman and politician, 35th Prime Minister of New Zealand
- 1938 – Johnny Paycheck, American singer-songwriter and guitarist (d. 2003)
- 1938 – John Prescott, British sailor and politician, Deputy Prime Minister of the United Kingdom
- 1938 – Peter Yarrow, American singer-songwriter, guitarist, and producer
- 1939 – Terry Waite, English humanitarian and author
- 1940 – Anatoliy Bondarchuk, Ukrainian hammer thrower and coach
- 1940 – Augie Meyers, American musician and singer-songwriter
- 1940 – Gilbert Shelton, American illustrator
- 1941 – June Clark, Welsh nurse and educator
- 1941 – Louis Ignarro, American pharmacologist and academic, Nobel Prize laureate
- 1941 – William Nordhaus, American economist and academic, Nobel Prize laureate
- 1943 – Sharon Gless, American actress
- 1943 – Joe Namath, American football player, sportscaster, and actor
- 1945 – Rainer Werner Fassbinder, German actor, director, and screenwriter (d. 1982)
- 1945 – Laurent Gbagbo, Ivorian academic and politician, 4th President of Côte d’Ivoire
- 1945 – Bernard Goldberg, American journalist and author
- 1946 – Ted Baehr, American publisher and critic
- 1946 – Steve Bucknor, Jamaican cricketer and umpire
- 1946 – Krista Kilvet, Estonian journalist, politician, and diplomat (d. 2009)
- 1946 – Debbie Moore, English model and businesswoman
- 1947 – Junior Campbell, Scottish singer-songwriter, guitarist, and producer
- 1947 – Gabriele Hinzmann, German discus thrower
- 1948 – Svetlana Alexievich, Belarusian journalist and author, Nobel Prize laureate
- 1948 – John Bonham, English musician, songwriter and drummer (d. 1980)
- 1948 – Martin Hannett, English bass player, guitarist, and record producer (d. 1991)
- 1948 – Duncan Hunter, American lieutenant, lawyer, and politician
- 1949 – Tom Berenger, American actor, film producer and television writer
- 1950 – Jean Chalopin, French director, producer, and screenwriter, founded DIC Entertainment
- 1950 – Gregory Harrison, American actor
- 1950 – Edgar Savisaar, Estonian politician, Estonian Minister of the Interior
- 1951 – Karl-Hans Riehm, German hammer thrower
- 1952 – Karl Bartos, German singer-songwriter and keyboard player
- 1953 – Pirkka-Pekka Petelius, Finnish actor and screenwriter
- 1954 – Thomas Mavros, Greek footballer
- 1954 – Vicki Sue Robinson, American actress and singer (d. 2000)
- 1955 – Tommy Emmanuel, Australian singer-songwriter and guitarist
- 1955 – Susie Essman, American actress, comedian, and screenwriter
- 1956 – Fritz Hilpert, German drummer and composer
- 1956 – John Young, English singer-songwriter and keyboard player
- 1957 – Jim Craig, American ice hockey player
- 1959 – Andrea de Cesaris, Italian racing driver (d. 2014)
- 1959 – Phil Wilson, English politician
- 1960 – Greg Adams, Canadian ice hockey player and businessman
- 1960 – Chris Elliott, American actor, comedian, and screenwriter
- 1960 – Peter Winterbottom, English rugby player
- 1961 – Ray Cote, Canadian ice hockey player
- 1961 – Justin Madden, Australian footballer and politician
- 1961 – Lea Thompson, American actress, director, and producer
- 1962 – Corey Hart, Canadian singer-songwriter and producer
- 1963 – David Leigh, holder of the Sir Samuel Hall Chair of Chemistry at the University of Manchester
- 1963 – Viktor Orbán, Hungarian politician, 38th Prime Minister of Hungary
- 1963 – Wesley Willis, American singer-songwriter and keyboard player (d. 2003)
- 1964 – Leonard Asper, Canadian lawyer and businessman
- 1964 – Stéphane Caristan, French hurdler and coach
- 1964 – Yukio Edano, Japanese politician, Japanese Minister for Foreign Affairs
- 1964 – Darryl “D.M.C.” McDaniels, American rapper and producer
- 1965 – Brooke Shields, American model, actress, and producer
- 1966 – Roshan Mahanama, Sri Lankan cricketer and referee
- 1967 – Phil Keoghan, New Zealand television host and producer
- 1967 – Kenny Lofton, American baseball player, coach, and sportscaster
- 1971 – Arun Luthra, Indo-Anglo-American saxophonist, konnakol artist, composer, and arranger
- 1972 – Christian McBride, American bassist and record producer
- 1972 – Archie Panjabi, Indo-British actress
- 1972 – Frode Estil, Norwegian skier
- 1972 – Antti Niemi, Finnish international footballer, goalkeeper and coach
- 1972 – Dave Roberts, American baseball player and coach
- 1974 – Hiroiki Ariyoshi, Japanese comedian and singer
- 1974 – Chad Campbell, American golfer
- 1975 – Mac Suzuki, Japanese baseball player
- 1976 – Colin Farrell, Irish actor
- 1976 – Matt Harpring, American basketball player and sportscaster
- 1977 – Theodoros Baev, Bulgarian-Greek volleyball player
- 1977 – Domenico Fioravanti, Italian swimmer
- 1977 – Eric Christian Olsen, American actor
- 1977 – Moses Sichone, Zambian footballer
- 1977 – Petr Tenkrát, Czech ice hockey player
- 1979 – Jean-François Gillet, Belgian footballer
- 1981 – Mikael Antonsson, Swedish footballer
- 1981 – Daniele Bonera, Italian footballer
- 1981 – Jake Peavy, American baseball player
- 1981 – Marlies Schild, Austrian skier
- 1984 – Andrew Bailey, American baseball player
- 1984 – Milorad Čavić, Serbian swimmer
- 1984 – Nate Robinson, American basketball player
- 1985 – Jordy Nelson, American football player
- 1986 – Robert Gesink, Dutch cyclist
- 1989 – Marco Reus, German footballer
- 1990 – Erik Karlsson, Swedish ice hockey player
- 1992 – Michaël Bournival, Canadian ice hockey player
- 1992 – Laura Ikauniece, Latvian heptathlete
- 1996 – Normani Korde, American singer
- 1998 – Santino Ferrucci, American race car driver
Deaths on May 31
- 455 – Petronius Maximus, Roman emperor (b. 396)
- 930 – Liu Hua, princess of Southern Han (b. 896)
- 960 – Fujiwara no Morosuke, Japanese statesman (b. 909)
- 1076 – Waltheof, Earl of Northumbria, English politician (b. 1050)
- 1089 – Sigwin von Are, archbishop of Cologne
- 1162 – Géza II, king of Hungary (b. 1130)
- 1321 – Birger, king of Sweden (b. 1280)
- 1326 – Maurice de Berkeley, 2nd Baron Berkeley (b. 1271)
- 1329 – Albertino Mussato, Italian statesman and writer (b. 1261)
- 1349 – Thomas Wake, English politician (b. 1297)
- 1370 – Vitalis of Assisi, Italian hermit and monk (b. 1295)
- 1408 – Ashikaga Yoshimitsu, Japanese shōgun (b. 1358)
- 1410 – Martin of Aragon, Spanish king (b. 1356)
- 1504 – Engelbert II of Nassau (b. 1451)
- 1558 – Philip Hoby, English general and diplomat (b. 1505)
- 1567 – Guido de Bres, Belgian pastor and theologian (b. 1522)
- 1594 – Tintoretto, Italian painter and educator (b. 1518)
- 1601 – Gebhard Truchsess von Waldburg, Archbishop-Elector of Cologne (b. 1547)
- 1640 – Zeynab Begum, Safavid princess (date of birth unknown)
- 1665 – Pieter Jansz. Saenredam, Dutch painter (b. 1597)
- 1680 – Joachim Neander, German theologian and educator (b. 1650)
- 1740 – Frederick William I of Prussia (b. 1688)
- 1747 – Andrey Osterman, German-Russian politician, Russian Minister of Foreign Affairs (b. 1686)
- 1809 – Joseph Haydn, Austrian pianist and composer (b. 1732)
- 1809 – Jean Lannes, French general (b. 1769)
- 1831 – Samuel Bentham, English architect and engineer (b. 1757)
- 1832 – Évariste Galois, French mathematician and theorist (b. 1811)
- 1837 – Joseph Grimaldi, English actor, comedian and dancer, (b. 1779)
- 1846 – Philip Marheineke, German pastor and philosopher (b. 1780)
- 1847 – Thomas Chalmers, Scottish minister and economist (b. 1780)
- 1848 – Eugénie de Guérin, French author (b. 1805)
- 1899 – Stefanos Koumanoudis, Greek archaeologist, teacher and writer (b. 1818)
- 1908 – Louis-Honoré Fréchette, Canadian author, poet, and politician (b. 1839)
- 1909 – Thomas Price, Welsh-Australian politician, 24th Premier of South Australia (b. 1852)
- 1910 – Elizabeth Blackwell, English-American physician and educator (b. 1821)
- 1931 – Felix-Raymond-Marie Rouleau, Canadian cardinal (b. 1866)
- 1931 – Willy Stöwer, German author and illustrator (b. 1864)
- 1945 – Odilo Globocnik, Italian-Austrian SS officer (b. 1904)
- 1954 – Antonis Benakis, Greek art collector and philanthropist, founded the Benaki Museum (b. 1873)
- 1957 – Stefanos Sarafis, Greek general and politician (b. 1890)
- 1957 – Leopold Staff, Polish poet and academic (b. 1878)
- 1960 – Willem Elsschot, Flemish author and poet (b. 1882)
- 1960 – Walther Funk, German economist, journalist, and politician, German Minister of Economics (b. 1890)
- 1962 – Henry F. Ashurst, American lawyer and politician (b. 1874)
- 1967 – Billy Strayhorn, American pianist and composer (b. 1915)
- 1970 – Terry Sawchuk, Canadian-American ice hockey player (b. 1929)
- 1976 – Jacques Monod, French biologist and geneticist, Nobel Prize laureate (b. 1910)
- 1977 – William Castle, American actor, director, producer, and screenwriter (b. 1914)
- 1978 – József Bozsik, Hungarian footballer and manager (b. 1925)
- 1981 – Barbara Ward, Baroness Jackson of Lodsworth, English economist and journalist (b. 1914)
- 1982 – Carlo Mauri, Italian mountaineer and explorer (b. 1930)
- 1983 – Jack Dempsey, American boxer and lieutenant (b. 1895)
- 1985 – Gaston Rébuffat, French mountaineer and author (b. 1921)
- 1986 – Jane Frank, American painter and sculptor (b. 1918)
- 1986 – James Rainwater, American physicist and academic, Nobel Prize laureate (b. 1917)
- 1987 – John Abraham, Indian director and screenwriter (b. 1937)
- 1989 – Owen Lattimore, American author and academic (b. 1900)
- 1989 – C. L. R. James, Trinidadian journalist and historian (b. 1901)
- 1993 – Honey Tree Evil Eye, or, Spud Mackenzie, a Bull Terrier, dies of kidney failure.
- 1994 – Uzay Heparı, Turkish actor, producer, and composer (b. 1969)
- 1994 – Herva Nelli, Italian-American soprano (b. 1909)
- 1995 – Stanley Elkin, American novelist, short story writer, and essayist (b. 1930)
- 1996 – Timothy Leary, American psychologist and author (b. 1920)
- 1998 – Charles Van Acker, Belgian-American race car driver (b. 1912)
- 2000 – Petar Mladenov, Bulgarian diplomat, 1st President of Bulgaria (b. 1936)
- 2000 – Tito Puente, American jazz musician (b. 1923)
- 2000 – A. Jeyaratnam Wilson, Sri Lankan historian, author, and academic (b. 1928)
- 2001 – Arlene Francis, American actress, talk show host, game show panelist, and television personality (b. 1907)
- 2002 – Subhash Gupte, Indian cricketer (b. 1929)
- 2004 – Aiyathurai Nadesan, Sri Lankan journalist (b. 1954)
- 2004 – Robert Quine, American guitarist (b. 1941)
- 2004 – Étienne Roda-Gil, French screenwriter and composer (b. 1941)
- 2006 – Miguel Ortiz Berrocal, Spanish sculptor (b. 1933)
- 2006 – Raymond Davis, Jr., American physicist and chemist, Nobel Prize laureate (b. 1914)
- 2009 – Danny La Rue, Irish-British drag queen performer and singer (b. 1927)
- 2009 – George Tiller, American physician (b. 1941)
- 2010 – Louise Bourgeois, French-American sculptor and painter (b. 1911)
- 2010 – Brian Duffy, English photographer and producer (b. 1933)
- 2010 – William A. Fraker, American director, producer, and cinematographer (b. 1923)
- 2010 – Rubén Juárez, Argentinian singer-songwriter and bandoneón player (b. 1947)
- 2010 – Merata Mita, New Zealand director, producer, and screenwriter (b. 1942)
- 2011 – Pauline Betz, American tennis player (b. 1919)
- 2011 – Jonas Bevacqua, American fashion designer, co-founded the Lifted Research Group (b. 1977)
- 2011 – Derek Hodge, Virgin Islander lawyer and politician, Lieutenant Governor of the United States Virgin Islands (b. 1941)
- 2011 – Hans Keilson, German-Dutch psychoanalyst and author (b. 1909)
- 2011 – John Martin, English admiral and politician, Lieutenant Governor of Guernsey (b. 1918)
- 2011 – Andy Robustelli, American football player and manager (b. 1925)
- 2012 – Christopher Challis, English cinematographer (b. 1919)
- 2012 – Randall B. Kester, American lawyer and judge (b. 1916)
- 2012 – Paul Pietsch, German racing driver and publisher (b. 1911)
- 2012 – Orlando Woolridge, American basketball player and coach (b. 1959)
- 2013 – Gerald E. Brown, American physicist and academic (b. 1926)
- 2013 – Frederic Lindsay, Scottish author and educator (b. 1933)
- 2013 – Miguel Méndez, American author and poet (b. 1930)
- 2013 – Tim Samaras, American engineer and storm chaser (b. 1957)
- 2013 – Jairo Mora Sandoval, Costa Rican environmentalist (b. 1987)
- 2013 – Jean Stapleton, American actress (b. 1923)
- 2014 – Marilyn Beck, American journalist (b. 1928)
- 2014 – Marinho Chagas, Brazilian footballer and coach (b. 1952)
- 2014 – Hoss Ellington, American race car driver (b. 1935)
- 2014 – Martha Hyer, American actress (b. 1924)
- 2014 – Lewis Katz, American businessman and philanthropist (b. 1942)
- 2014 – Mary Soames, Baroness Soames, English author (b. 1922)
- 2015 – Gladys Taylor, Canadian author and publisher (b. 1917)
- 2016 – Mohamed Abdelaziz, President of the Sahrawi Arab Democratic Republic (1976–2016) (b. 1947)
- 2016 – Jan Crouch, American televangelist, co-founder of the Trinity Broadcasting Network (b. 1938)
- 2016 – Carla Lane, English television writer (b. 1928)
- 2016 – Rupert Neudeck, German journalist and humanitarian (b. 1939)
Holidays and observances on May 31
- Anniversary of Royal Brunei Malay Regiment (Brunei)
- Christian feast day:
- Camilla Battista da Varano
- Hermias
- Petronella
- Visitation of Mary (Western Christianity)
- May 31 (Eastern Orthodox liturgics)
- The beginning of Gawai Dayak (Dayaks in Sarawak, Malaysia and West Kalimantan, Indonesia)
- World No Tobacco Day (International)
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May 20 in History
- 325 – The First Council of Nicaea is formally opened, starting the first ecumenical council of the Christian Church.
- 491 – Empress Ariadne marries Anastasius I. The widowed Augusta is able to choose her successor for the Byzantine throne, after Zeno (late emperor) dies of dysentery.
- 685 – The Battle of Dun Nechtain is fought between a Pictish army under King Bridei III and the invading Northumbrians under King Ecgfrith, who are decisively defeated.
- 794 – While visiting the royal Mercian court at Sutton Walls with a view to marrying princess Ælfthryth, King Æthelberht II of East Anglia is taken captive and beheaded.
- 1217 – The Second Battle of Lincoln is fought near Lincoln, England, resulting in the defeat of Prince Louis of France by William Marshal, 1st Earl of Pembroke.
- 1293 – King Sancho IV of Castile creates the Estudio de Escuelas de Generales in Alcalá de Henares.
- 1449 – The Battle of Alfarrobeira is fought, establishing the House of Braganza as a principal royal family of Portugal.
- 1497 – John Cabot sets sail from Bristol, England, on his ship Matthew looking for a route to the west (other documents give a May 2 date).
- 1498 – Portuguese explorer Vasco da Gama discovers the sea route to India when he arrives at Kozhikode (previously known as Calicut), India.
- 1521 – Ignatius of Loyola is seriously wounded in the Battle of Pampeluna.
- 1570 – Cartographer Abraham Ortelius issues Theatrum Orbis Terrarum, the first modern atlas.
- 1609 – Shakespeare’s sonnets are first published in London, perhaps illicitly, by the publisher Thomas Thorpe.
- 1631 – The city of Magdeburg in Germany is seized by forces of the Holy Roman Empire and most of its inhabitants massacred, in one of the bloodiest incidents of the Thirty Years’ War.
- 1645 – Yangzhou massacre: The ten day massacre of 800,000 residents of the city of Yangzhou, part of the Transition from Ming to Qing.
- 1741 – The Battle of Cartagena de Indias ends in a Spanish victory and the British begin withdrawal towards Jamaica with substantial losses.
- 1775 – The Mecklenburg Declaration of Independence is allegedly signed in Charlotte, North Carolina.
- 1802 – By the Law of 20 May 1802, Napoleon Bonaparte reinstates slavery in the French colonies, revoking its abolition in the French Revolution.
- 1813 – Napoleon Bonaparte leads his French troops into the Battle of Bautzen in Saxony, Germany, against the combined armies of Russia and Prussia. The battle ends the next day with a French victory.
- 1840 – York Minster is badly damaged by fire.
- 1861 – American Civil War: The state of Kentucky proclaims its neutrality, which will last until September 3 when Confederate forces enter the state. Meanwhile, the State of North Carolina secedes from the Union.
- 1862 – U.S. President Abraham Lincoln signs the Homestead Act into law, opening 84 million acres of public land to settlers.
- 1864 – American Civil War: Battle of Ware Bottom Church: In the Virginia Bermuda Hundred campaign, 10,000 troops fight in this Confederate victory.
- 1873 – Levi Strauss and Jacob Davis receive a U.S. patent for blue jeans with copper rivets.
- 1875 – Signing of the Metre Convention by 17 nations leading to the establishment of the International System of Units.
- 1882 – The Triple Alliance between the German Empire, Austria-Hungary and the Kingdom of Italy is formed.
- 1883 – Krakatoa begins to erupt; the volcano explodes three months later, killing more than 36,000 people.
- 1891 – History of cinema: The first public display of Thomas Edison’s prototype kinetoscope.
- 1902 – Cuba gains independence from the United States. Tomás Estrada Palma becomes the country’s first President.
- 1927 – Treaty of Jeddah: The United Kingdom recognizes the sovereignty of King Ibn Saud in the Kingdoms of Hejaz and Nejd, which later merge to become the Kingdom of Saudi Arabia.
- 1932 – Amelia Earhart takes off from Newfoundland to begin the world’s first solo nonstop flight across the Atlantic Ocean by a female pilot, landing in Ireland the next day.
- 1940 – The Holocaust: The first prisoners arrive at a new concentration camp at Auschwitz.
- 1941 – World War II: Battle of Crete: German paratroops invade Crete.
- 1948 – Generalissimo Chiang Kai-shek wins the 1948 Republic of China presidential election and is sworn in as the first President of the Republic of China at Nanjing.
- 1949 – In the United States, the Armed Forces Security Agency, the predecessor to the National Security Agency, is established.
- 1956 – In Operation Redwing, the first United States airborne hydrogen bomb is dropped over Bikini Atoll in the Pacific Ocean.
- 1964 – Discovery of the cosmic microwave background radiation by Robert Woodrow Wilson and Arno Penzias.
- 1967 – The Popular Movement of the Revolution political party is established in the Democratic Republic of the Congo.
- 1969 – The Battle of Hamburger Hill in Vietnam ends.
- 1971 – In the Chuknagar massacre, Pakistani forces massacre thousands, mostly Bengali Hindus.
- 1980 – In a referendum in Quebec, the population rejects, by 60% of the vote, a government proposal to move towards independence from Canada.
- 1983 – First publications of the discovery of the HIV virus that causes AIDS in the journal Science by Luc Montagnier.
- 1983 – Church Street bombing: A car bomb planted by Umkhonto we Sizwe explodes on Church Street in South Africa’s capital, Pretoria, killing 19 people and injuring 217 others.
- 1985 – Radio Martí, part of the Voice of America service, begins broadcasting to Cuba.
- 1989 – The Chinese authorities declare martial law in the face of pro-democracy demonstrations, setting the scene for the Tiananmen Square massacre.
- 1990 – The first post-Communist presidential and parliamentary elections are held in Romania.
- 1996 – Civil rights: The Supreme Court of the United States rules in Romer v. Evans against a law that would have prevented any city, town or county in the state of Colorado from taking any legislative, executive, or judicial action to protect the rights of gays and lesbians.
- 2002 – The independence of East Timor is recognized by Portugal, formally ending 23 years of Indonesian rule and three years of provisional UN administration (Portugal itself is the former colonizer of East Timor until 1976).
- 2012 – At least 27 people are killed and 50 others injured when a 6.0-magnitude earthquake strikes northern Italy.
- 2013 – An EF5 tornado strikes the Oklahoma City suburb of Moore, killing 24 people and injuring 377 others.
- 2019 – The International System of Units (SI): The base units are redefined, making the international prototype of the kilogram obsolete.
Births on May 20
- 1315 – Bonne of Luxembourg, first wife of John II of France (d. 1349)
- 1470 – Pietro Bembo, Italian cardinal, poet, and scholar (d. 1547)
- 1505 – Levinus Lemnius, Dutch writer (d. 1568)
- 1531 – Thado Minsaw of Ava, Viceroy of Ava (d. 1584)
- 1537 – Hieronymus Fabricius, Italian anatomist (d. 1619)
- 1575 – Robert Heath, English judge and politician (d. 1649)
- 1664 – Andreas Schlüter, German sculptor and architect (d. 1714)
- 1726 – Francis Cotes, English painter and academic (d. 1770)
- 1743 – Toussaint Louverture, Haitian revolutionary, general, and president (d. 1803)
- 1759 – William Thornton, Virgin Islander-American architect, designed the United States Capitol (d. 1828)
- 1769 – Andreas Vokos Miaoulis, Greek admiral and politician (d. 1835)
- 1772 – Sir William Congreve, 2nd Baronet, English inventor and politician, developed Congreve rockets (d. 1828)
- 1776 – Simon Fraser, American-Canadian fur trader and explorer (d. 1862)
- 1795 – Pedro María de Anaya, Mexican soldier. President (1847-1848) (d. 1854)
- 1799 – Honoré de Balzac, French novelist and playwright (d. 1850)
- 1806 – John Stuart Mill, English economist, civil servant, and philosopher (d. 1873)
- 1811 – Alfred Domett, English-New Zealand poet and politician, 4th Prime Minister of New Zealand (d. 1887)
- 1818 – William Fargo, American businessman and politician, co-founded Wells Fargo and American Express (d. 1881)
- 1822 – Frédéric Passy, French economist and academic, Nobel Prize laureate (d. 1912)
- 1824 – Cadmus M. Wilcox, Confederate States Army general (d. 1890)
- 1825 – Antoinette Brown Blackwell, the first woman to be ordained as a mainstream Protestant minister in the U.S. (d. 1921)
- 1830 – Hector Malot, French author (d. 1907)
- 1838 – Jules Méline, French lawyer and politician, 65th Prime Minister of France (d. 1925)
- 1851 – Emile Berliner, German-American inventor, invented the Gramophone record (d. 1929)
- 1854 – George Prendergast, Australian politician, 28th Premier of Victoria (d. 1937)
- 1856 – Henri-Edmond Cross, French Neo-Impressionist painter (d. 1910)
- 1860 – Eduard Buchner, German chemist, zymologist, and academic, Nobel Prize laureate (d. 1917)
- 1875 – Hendrik Offerhaus, Dutch rower (d. 1953)
- 1877 – Pat Leahy, Irish-American jumper (d. 1927)
- 1879 – Hans Meerwein, German chemist (d. 1965)
- 1882 – Sigrid Undset, Danish-Norwegian novelist, essayist, and translator, Nobel Prize laureate (d. 1949)
- 1883 – Faisal I of Iraq (d. 1933)
- 1886 – Ali Sami Yen, Turkish footballer and manager, founded the Galatasaray Sports Club (d. 1951)
- 1894 – Chandrashekarendra Saraswati, Indian guru and scholar (d. 1994)
- 1895 – R. J. Mitchell, English engineer, designed the Supermarine Spitfire and Supermarine S.6B (d. 1937)
- 1897 – Diego Abad de Santillán, Spanish economist and author (d. 1983)
- 1897 – Malcolm Nokes, English hammer and discus thrower (d. 1986)
- 1898 – Eduard Ole, Estonian painter (d. 1995)
- 1899 – Aleksandr Deyneka, Russian painter and sculptor (d. 1969)
- 1899 – John Marshall Harlan II, American lawyer and jurist (d. 1971)
- 1900 – Sumitranandan Pant, Indian poet and author (d. 1977)
- 1901 – Max Euwe, Dutch chess player, mathematician, and author (d. 1981)
- 1901 – Doris Fleeson, American journalist (d. 1970)
- 1904 – Margery Allingham, English author of detective fiction (d. 1966)
- 1906 – Giuseppe Siri, Italian cardinal (d. 1989)
- 1907 – Carl Mydans, American photographer and journalist (d. 2004)
- 1908 – Henry Bolte, Australian politician, 38th Premier of Victoria (d. 1990)
- 1908 – Louis Daquin, French actor and director (d. 1980)
- 1908 – Francis Raymond Fosberg, American botanist and author (d. 1993)
- 1908 – James Stewart, American actor (d. 1997)
- 1911 – Gardner Fox, American author (d. 1986)
- 1911 – Annie M. G. Schmidt, Dutch author and playwright (d. 1995)
- 1913 – Teodoro Fernández, Peruvian footballer (d. 1996)
- 1913 – William Redington Hewlett, American engineer, co-founded Hewlett-Packard (d. 2001)
- 1915 – Peter Copley, English actor (d. 2008)
- 1915 – Moshe Dayan, Israeli general and politician, 5th Israeli Minister of Foreign Affairs (d. 1981)
- 1915 – Joff Ellen, Australian comedian and actor (d. 1999)
- 1916 – Owen Chadwick, English rugby player, historian, and academic (d. 2015)
- 1916 – Alexey Maresyev, Russian soldier and pilot (d. 2001)
- 1916 – Ondina Valla, Italian sprinter and hurdler (d. 2006)
- 1917 – Tony Cliff, Israeli-English author and activist (d. 2000)
- 1917 – Guy Favreau, Canadian lawyer, judge, and politician, 28th Canadian Minister of Justice (d. 1967)
- 1918 – Alexandra Boyko, Russian tank commander (d. 1996)
- 1918 – Edward B. Lewis, American biologist, geneticist, and academic, Nobel Prize laureate (d. 2004)
- 1919 – George Gobel, American comedian (d. 1991)
- 1920 – John Cruickshank, Scottish lieutenant and banker, Victoria Cross recipient
- 1921 – Wolfgang Borchert, German author and playwright (d. 1947)
- 1921 – Hal Newhouser, American baseball player and scout (d. 1998)
- 1921 – Hao Wang, Chinese-American logician, philosopher, and mathematician (d. 1995)
- 1922 – Ted Hinton, Northern Irish international footballer (d. 1988)
- 1923 – Edith Fellows, American actress (d. 2011)
- 1923 – Sam Selvon, Trinidad-born writer (d. 1994)
- 1924 – David Chavchavadze, English-American CIA officer and author (d. 2014)
- 1924 – Zelmar Michelini, Uruguayan journalist and politician (d. 1976)
- 1925 – Alexei Tupolev, Russian engineer, designed the Tupolev Tu-144 (d. 2001)
- 1926 – Bob Sweikert, American race car driver (d. 1956)
- 1927 – Bud Grant, American football player and coach
- 1927 – David Hedison, American actor (d. 2019)
- 1927 – Franciszek Macharski, Polish cardinal (d. 2016)
- 1929 – Gilles Loiselle, Canadian politician and diplomat, 33rd Canadian Minister of Finance
- 1930 – Sam Etcheverry, American football player and coach (d. 2009)
- 1931 – Ken Boyer, American baseball player and manager (d. 1982)
- 1931 – Louis Smith, American trumpeter (d. 2016)
- 1933 – Constance Towers, American actress and singer
- 1935 – José Mujica, Uruguayan guerrilla leader and politician, 40th President of Uruguay
- 1936 – Anthony Zerbe, American actor
- 1937 – Dave Hill, American golfer (d. 2011)
- 1937 – Derek Lampe, English footballer
- 1939 – Balu Mahendra, Sri Lankan-Indian director, cinematographer, and screenwriter (d. 2014)
- 1940 – Shorty Long, American singer-songwriter and producer (d. 1969)
- 1940 – Stan Mikita, Slovak-Canadian ice hockey player and sportscaster (d. 2018)
- 1940 – Sadaharu Oh, Japanese-Taiwanese baseball player and manager
- 1941 – Goh Chok Tong, Singaporean politician, 2nd Prime Minister of Singapore
- 1941 – John Strasberg, American actor and teacher
- 1942 – Raymond Chrétien, Canadian lawyer and diplomat, Canadian Ambassador to the United States
- 1942 – Lynn Davies, Welsh sprinter and long jumper
- 1942 – Carlos Hathcock, American sergeant and sniper (d. 1999)
- 1942 – Frew McMillan, South African tennis player
- 1943 – Albano Carrisi, Italian singer, actor, and winemaker
- 1943 – Deryck Murray, Trinidadian cricketer
- 1944 – Joe Cocker, English singer-songwriter (d. 2014)
- 1944 – Boudewijn de Groot, Indonesian-Dutch singer-songwriter and guitarist
- 1944 – Keith Fletcher, English cricketer and manager
- 1944 – Dietrich Mateschitz, Austrian businessman, co-founded Red Bull GmbH
- 1945 – Vladimiro Montesinos, Peruvian intelligence officer
- 1946 – Cher, American singer-songwriter, producer, and actress
- 1946 – Bobby Murcer, American baseball player, coach, manager, and sportscaster (d. 2008)
- 1947 – Steve Currie, English bass player (d. 1981)
- 1947 – Greg Dyke, English journalist and academic
- 1949 – Robert Morin, Canadian director, cinematographer, and screenwriter
- 1949 – Michèle Roberts, English author and poet
- 1949 – Dave Thomas, Canadian actor, director, producer, and screenwriter
- 1950 – Andy Johns, English-American engineer and producer (d. 2013)
- 1950 – Reinaldo Merlo, Argentinian footballer and coach
- 1951 – Thomas Akers, American colonel, engineer, and astronaut
- 1951 – Christie Blatchford, Canadian newspaper columnist, journalist and broadcaster (d. 2020)
- 1951 – Mike Crapo, American lawyer and politician
- 1952 – Roger Milla, Cameroonian footballer and manager
- 1952 – Michael Wills, English politician, British Minister of Justice
- 1953 – Robert Doyle, Australian educator and politician, 103rd Lord Mayor of Melbourne
- 1954 – David Paterson, American lawyer and politician, 55th Governor of New York
- 1954 – Colin Sutherland, Lord Carloway, Scottish lawyer and judge
- 1955 – Steve George, American keyboard player and songwriter
- 1955 – Zbigniew Preisner, Polish composer and producer
- 1956 – Ingvar Ambjørnsen, Norwegian-German author and critic
- 1956 – Gerry Peyton, English born Irish international footballer and coach
- 1956 – Douglas Preston, American journalist and author
- 1957 – Yoshihiko Noda, Japanese lawyer and politician, 62nd Prime Minister of Japan
- 1958 – Ron Reagan, American journalist and radio host
- 1958 – Jane Wiedlin, American singer-songwriter, guitarist, and actress
- 1959 – Susan Cowsill, American singer-songwriter
- 1960 – Tony Goldwyn, American actor and director
- 1961 – Clive Allen, English international footballer and manager
- 1961 – Nick Heyward, English singer-songwriter and guitarist
- 1963 – David Wells, American baseball player and sportscaster
- 1964 – Kōichirō Genba, Japanese politician, 80th Japanese Minister for Foreign Affairs
- 1964 – Edin Osmanović, Slovenian footballer, coach, and manager
- 1964 – Charles Spencer, 9th Earl Spencer, English journalist and author
- 1965 – Ted Allen, American television host and author
- 1965 – Stu Grimson, Canadian ice hockey player, sportscaster, and lawyer
- 1966 – Dan Abrams, American journalist and author
- 1967 – Graham Brady, English politician
- 1967 – Gabriele Muccino, Italian director, producer, and screenwriter
- 1968 – Timothy Olyphant, American actor and producer
- 1969 – Road Dogg, American wrestler, producer, and soldier
- 1970 – Terrell Brandon, American basketball player
- 1970 – Louis Theroux, Singaporean-English journalist and producer
- 1971 – Šárka Kašpárková, Czech triple jumper and coach
- 1971 – Tony Stewart, American race car driver
- 1972 – Michael Diamond, Australian shooter
- 1972 – Christophe Dominici, French rugby player
- 1972 – Busta Rhymes, American rapper, producer, and actor
- 1973 – Nathan Long, Australian rugby league player
- 1974 – Allison Amend, American novelist and short story writer
- 1974 – Shiboprosad Mukherjee, Indian film director, writer and actor
- 1975 – Juan Minujín, Argentinian actor, director, and screenwriter
- 1976 – Ramón Hernández, Venezuelan-American baseball player
- 1976 – Tomoya Satozaki, Japanese baseball player
- 1977 – Matt Czuchry, American actor
- 1977 – Leo Franco, Argentinian footballer
- 1977 – Angela Goethals, American actress
- 1977 – Stirling Mortlock, Australian rugby player
- 1977 – Vesa Toskala, Finnish ice hockey player
- 1978 – Hristos Banikas, Greek chess player
- 1978 – Pavla Hamáčková-Rybová, Czech pole vaulter
- 1978 – Nils Schumann, German runner
- 1979 – Andrew Scheer, Canadian politician, 28th Leader of the Conservative Party of Canada
- 1979 – Jayson Werth, American baseball player
- 1980 – Austin Kearns, American baseball player
- 1980 – Kassim Osgood, American football player
- 1981 – Iker Casillas, Spanish footballer
- 1981 – Rachel Platten, American singer and songwriter
- 1981 – Lindsay Taylor, American basketball player
- 1981 – Mark Winterbottom, Australian race car driver
- 1982 – Petr Čech, Czech footballer
- 1982 – Imran Farhat, Pakistani cricketer
- 1982 – Jessica Raine, English actress
- 1982 – Daniel Ribeiro, Brazilian director, producer, and screenwriter
- 1983 – Óscar Cardozo, Paraguayan footballer
- 1983 – Matt Langridge, English rower
- 1984 – Mauro Rafael da Silva, Brazilian footballer
- 1984 – Patrick Ewing, Jr., American basketball player
- 1984 – Keith Grennan, American football player
- 1985 – Chris Froome, Kenyan-English cyclist
- 1985 – Brendon Goddard, Australian footballer
- 1986 – Dexter Blackstock, English footballer
- 1986 – Stéphane Mbia, Cameroonian footballer
- 1986 – Jiřina Svobodová, Czech pole vaulter
- 1987 – Mike Havenaar, Japanese footballer
- 1987 – Julian Wright, American basketball player
- 1988 – Joel Moon, Australian rugby league player
- 1989 – Siosia Vave, Australian-Tongan rugby league player
- 1991 – Bastian Baker, Swiss singer, songwriter, and performer
- 1991 – Emre Colak, Turkish footballer
- 1992 – Cate Campbell, Malawian-Australian swimmer
- 1992 – Jack Gleeson, Irish actor
- 1992 – Enes Kanter, Turkish basketball player
- 1993 – Caroline Zhang, American figure skater
- 1996 – Brian Kelly, Australian rugby league player
- 1998 – Jamie Chadwick, English race car driver
- 1998 – Nam Nguyen, Canadian figure skater
Deaths on May 20
- 685 – Ecgfrith of Northumbria (b. 645)
- 794 – Æthelberht II, king of East Anglia
- 965 – Gero the Great, Saxon ruler (b.c. 900)
- 1062 – Bao Zheng, Chinese magistrate and mayor of Kaifeng (b. 999)
- 1277 – Pope John XXI (b. 1215)
- 1285 – John II of Jerusalem (b. 1259)
- 1291 – Sufi Saint Sayyid Jalaluddin Surkh-Posh Bukhari
- 1366 – Maria of Calabria, Empress of Constantinople (b. 1329)
- 1444 – Bernardino of Siena, Italian-Spanish missionary and saint (b. 1380)
- 1449 – Álvaro Vaz de Almada, 1st Count of Avranches
- 1449 – Infante Pedro, Duke of Coimbra (b. 1392)
- 1501 – Columba of Rieti, Italian Dominican tertiary Religious Sister (b. 1467)
- 1503 – Lorenzo di Pierfrancesco de’ Medici, Italian banker and politician (b. 1463)
- 1506 – Christopher Columbus, Italian explorer, discovered the Americas (b. 1451)
- 1550 – Ashikaga Yoshiharu, Japanese shōgun (b. 1510)
- 1579 – Isabella Markham, English courtier (b. 1527)
- 1622 – Osman II, Ottoman sultan (b. 1604)
- 1645 – Shi Kefa, Chinese general and calligrapher (b. 1601)
- 1648 – Władysław IV Vasa, Polish son of Sigismund III Vasa (b. 1595)
- 1677 – George Digby, 2nd Earl of Bristol, Spanish-English politician, English Secretary of State (b. 1612)
- 1713 – Thomas Sprat, English bishop (b. 1635)
- 1717 – John Trevor, Welsh lawyer and politician, 102nd Speaker of the House of Commons (b. 1637)
- 1722 – Sébastien Vaillant, French botanist and mycologist (b. 1669)
- 1732 – Thomas Boston, Scottish author and educator (b. 1676)
- 1782 – William Emerson, English mathematician and academic (b. 1701)
- 1793 – Charles Bonnet, Swiss botanist and biologist (b. 1720)
- 1812 – Count Hieronymus von Colloredo, Austrian archbishop (b. 1732)
- 1834 – Gilbert du Motier, Marquis de Lafayette, French general (b. 1757)
- 1841 – Joseph Blanco White, Spanish poet and theologian (b. 1775)
- 1864 – John Clare, English poet (b. 1793)
- 1873 – George-Étienne Cartier, Canadian soldier, lawyer, and politician, 9th Premier of East Canada (b. 1814)
- 1880 – Ana Néri, Brazilian nurse and philanthropist (b. 1814)
- 1896 – Clara Schumann, German pianist and composer (b. 1819)
- 1909 – Ernest Hogan, American actor and composer (b. 1859)
- 1917 – Valentine Fleming, Scottish soldier and politician (b. 1887)
- 1917 – Philipp von Ferrary, Italian stamp collector (b. 1850)
- 1924 – Bogd Khan, Mongolian ruler (c. 1869)
- 1925 – Joseph Howard, Maltese politician, 1st Prime Minister of Malta (b. 1862)
- 1931 – Ernest Noel, Scottish businessman and politician (b. 1831)
- 1940 – Verner von Heidenstam, Swedish author and poet, Nobel Prize laureate (b. 1859)
- 1942 – Hector Guimard, French Architect (b. 1867)
- 1946 – Jacob Ellehammer, Danish pilot and engineer (b. 1871)
- 1947 – Philipp Lenard, Slovak-German physicist and academic, Nobel Prize laureate (b. 1862)
- 1947 – Georgios Siantos, Greek sergeant and politician (b. 1890)
- 1949 – Damaskinos of Athens, Greek archbishop and politician, 137th Prime Minister of Greece (b. 1891)
- 1956 – Max Beerbohm, English essayist, parodist, and caricaturist (b. 1872)
- 1956 – Zoltán Halmay, Hungarian swimmer and trainer (b. 1881)
- 1961 – Josef Priller, German colonel and pilot (b. 1915)
- 1964 – Rudy Lewis, American singer (b. 1936)
- 1971 – Waldo Williams, Welsh poet and academic (b. 1904)
- 1973 – Renzo Pasolini, Italian motorcycle racer (b. 1938)
- 1973 – Jarno Saarinen, Finnish motorcycle racer (b. 1945)
- 1975 – Barbara Hepworth, English sculptor and lithographer (b. 1903)
- 1976 – Syd Howe, Canadian ice hockey player (b. 1911)
- 1976 – Zelmar Michelini, Uruguayan journalist and politician (b. 1924)
- 1976 – Héctor Gutiérrez Ruiz, Uruguayan politician (b. 1934)
- 1989 – John Hicks, English economist and academic, Nobel Prize laureate (b. 1904)
- 1989 – Gilda Radner, American actress and comedian (b. 1946)
- 1995 – Les Cowie, Australian rugby league player (b. 1925)
- 1996 – Jon Pertwee, English actor, portrayed the Third Doctor (b. 1919)
- 1998 – Robert Normann, Norwegian guitarist (b. 1916)
- 2000 – Jean-Pierre Rampal, French flute player (b. 1922)
- 2000 – Malik Sealy, American basketball player and actor (b. 1970)
- 2000 – Yevgeny Khrunov, Russian colonel, engineer, and astronaut (b. 1933)
- 2001 – Renato Carosone, Italian singer-songwriter and pianist (b. 1920)
- 2002 – Stephen Jay Gould, American paleontologist, biologist, and academic (b. 1941)
- 2005 – Paul Ricœur, French philosopher and academic (b. 1913)
- 2005 – William Seawell, American general (b. 1918)
- 2007 – Norman Von Nida, Australian golfer (b. 1914)
- 2008 – Hamilton Jordan, American politician, 8th White House Chief of Staff (b. 1944)
- 2009 – Arthur Erickson, Canadian architect and urban planner, designed Roy Thomson Hall (b. 1924)
- 2009 – Lucy Gordon, American actress and model (b. 1980)
- 2009 – Pierre Gamarra, French author, poet, and critic (b. 1919)
- 2011 – Randy Savage, American wrestler and actor (b. 1952)
- 2012 – Leela Dube, Indian anthropologist and scholar (b. 1923)
- 2012 – Robin Gibb, Manx-English singer-songwriter and producer (b. 1949)
- 2012 – David Littman, English-Swiss historian, author, and academic (b. 1933)
- 2012 – Ken Lyons, American bass guitarist (b. 1953)
- 2012 – Eugene Polley, American engineer, invented the remote control (b. 1915)
- 2012 – Andrew B. Steinberg, American lawyer (b. 1958)
- 2013 – Flavio Costantini, Italian painter and illustrator (b. 1926)
- 2013 – Billie Dawe, Canadian ice hockey player and manager (b. 1924)
- 2013 – Anders Eliasson, Swedish composer (b. 1947)
- 2013 – Miloslav Kříž, Czech basketball player and coach (b. 1924)
- 2013 – Ray Manzarek, American singer-songwriter, keyboard player, and producer (b. 1939)
- 2013 – Denys Roberts, English judge and politician (b. 1923)
- 2013 – Zach Sobiech, American singer-songwriter (b. 1995)
- 2014 – Sandra Bem, American psychologist and academic (b. 1944)
- 2014 – Ross Brown, New Zealand rugby player (b. 1934)
- 2014 – Robyn Denny, English-French painter (b. 1930)
- 2014 – Arthur Gelb, American journalist, author, and critic (b. 1924)
- 2014 – Prince Rupert Loewenstein, Spanish-English businessman (b. 1933)
- 2014 – Barbara Murray, English actress (b. 1929)
- 2015 – Bob Belden, American saxophonist, composer, and producer (b. 1956)
- 2015 – Femi Robinson, Nigerian actor and playwright (b. 1940)
Holidays and observances on May 20
- Christian feast day:
- Abercius and Helena
- Alcuin of York
- Aurea of Ostia
- Austregisilus
- Baudilus
- Bernardino of Siena
- Ivo of Chartres
- Lucifer of Cagliari
- Sanctan
- May 20 (Eastern Orthodox liturgics)
- Day of Remembrance (Cambodia)
- Emancipation Day (Florida)
- European Maritime Day (European Council)
- Independence Restoration Day, celebrates the independence of East Timor from Indonesia in 2002.
- Josephine Baker Day (NAACP)
- National Awakening Day (Indonesia), and its related observances:
- Indonesian Doctor Day (Indonesia)
- National Day (Cameroon)
- World Bee Day
- World Metrology Day