- 1085 Alfonso VI of Castile takes Toledo, Spain back from the Moors.
- 1420 Henry the Navigator is appointed governor of the Order of Christ.
- 1521 The Diet of Worms ends when Charles V, Holy Roman Emperor issues the Edict of Worms, declaring Martin Luther an outlaw.
- 1787 In Philadelphia, Pennsylvania, delegates begin to convene a Constitutional Convention to write a new Constitution for the United States (George Washington is presiding).
- 1810 Armed citizens of Buenos Aires expel the Viceroy from Spain and establish a provincial government for Argentina.
- 1865 Mobile magazine explosion: 300 are killed in Mobile, Alabama when an ordnance depot explodes.
- 1895 Playwright, poet and novelist Oscar Wilde is convicted of "sodomy and gross indecency" and sentenced to serve two years in a London prison.
- 1895 The Republic of Taiwan forms, with Tang Ching-sung as the president.
- 1914 The United Kingdom's House of Commons passes Irish Home Rule.
- 1925 Scopes Trial: John T. Scopes is indicted for teaching Darwin's theory of evolution.
- 1925 The National Forensics League is founded.
- 1935 In a span of 45 minutes at the Big Ten meet in Ann Arbor, Michigan, Jesse Owens sets or ties four track and field world records.
- 1935 At Forbes Field in Pittsburgh, Pennsylvania, Babe Ruth hits his 714th and last home run setting a baseball record that will stand for 39 years.
- 1940 World War II: The Battle of Dunkirk begins.
- 1946 The parliament of Transjordan makes emir Abdullah their king.
- 1953 Nuclear testing: At the Nevada Test Site, the United States conducts its first and only nuclear artillery test.
- 1961 Apollo program: President Kennedy announces before a special joint session of Congress his goal to initiate a project to put a "man on the moon" before the end of the decade.
- 1963 In Addis Ababa, Ethiopia, the Organisation of African Unity is established.
- 1966 Explorer program: Explorer 32 launches.
- 1968 In St. Louis, Missouri, US Vice-President Hubert Humphrey and US Secretary of the Interior Stewart Udall dedicate the Gateway Arch as part of the Jefferson National Expansion Memorial.
- 1973 Mike Oldfield releases Tubular Bells.
- 1977 Star Wars Episode IV: A New Hope opens in theaters and becomes the highest grossing movie to date.
- 1979 American Airlines flight 191: In Chicago, Illinois, a DC-10 crashes during takeoff at O'Hare International Airport killing 271 on board and two people on the ground.
- 1981 In Riyadh, the Gulf Cooperation Council is created between Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and the United Arab Emirates.
- 1983 Star Wars Episode VI: Return of the Jedi opens in theaters
- 1985 Bangladesh is hit by a tropical cyclone and storm surge which kills approximately 10,000 people.
- 1997 A military coup in Sierra Leone replaces President Ahmad Tejan Kabbah with Major Johnny Paul Koromah.
- 1997 Strom Thurmond becomes the longest serving member in the history of the United States Senate (41 years and 10 months).
- 2000 Lebanon celebrates the liberation of south after 22 years of Israeli occupation.
- 2001 Mountain climbing: 32-year old Erik Weihenmayer, of Boulder, Colorado, becomes the first blind person to reach the summit of Mount Everest.
- 2001 Mountain climbing: 64-year old Sherman Bull, of New Canaan, Connecticut, becomes the oldest person to reach the summit of Mount Everest.
- 2002 A China Airlines Boeing 747-200 breaks apart in mid-air and plunges into the Taiwan Strait killing 225.
- 2003 Nιstor Kirchner becomes President of Argentina after defeating Carlos Menem. He was the first elected President since the December 2001 economic crisis.
- 1803 Ralph Waldo Emerson, essayist, philosopher (d. 1882)
- 1803 Edward George Bulwer-Lytton, novelist and playwright (d. 1873)
- 1860 James McKeen Cattell, first professor of psychology in U.S. (d. 1944)
- 1865 Pieter Zeeman, Nobel Prize winner (d. 1943)
- 1879 Lord Beaverbrook, publisher (d. 1964)
- 1880 Jean Alexandre Barrι, neurologist (d. 1967)
- 1888 Miles Malleson, actor (d. 1969)
- 1889 Igor Sikorsky developer of a working helicopter (d. 1972)
- 1892 Josip Broz Tito, president of SFRY (d. 1980)
- 1922 Enrico Berlinguer, politician (d. 1984)
- 1926 Miles Davis, composer (d. 1991)
- 1926 Max von der Grόn, author
- 1927 Robert Ludlum, science fiction writer (d. 2001)
- 1929 Beverly Sills, soprano
- 1931 Georgi Grechko, cosmonaut
- 1932 Jeanne Crain, actress
- 1936 Vladimir (Walter,Wally)Fekula,raconteur
- 1939 Ian McKellen, actor
- 1944 Frank Oz, puppeteer, director
- 1963 Mike Myers, actor, comedian
- 1966 Sugar Minott, singer
- 1967 Poppy Z. Brite, author
- 1969 Anne Heche, actress
- 1971 Sonya Smith, actress
- 1979 Jonny Wilkinson, English rugby star
- 709 Aldhelm, Bishop of Sherborne
- 735 Bede, English Historian and monk
- 992 Mieszko I
- 1085 Pope Gregory VII
- 1261 Pope Alexander IV
- 1555 Henry II of Navarre
- 1681 Pedro Calderσn de la Barca
- 1789 Anders Dahl, botanist after whom the dahlia was named
- 1805 William Paley, philosopher
- 1912 Austin Lane Crothers, politician
- 1934 Gustav Holst, composer
- 1935 Sir Frank Watson Dyson, English Astronomer Royal
- 1940 Joe De Grasse, pioneer Hollywood film director
- 1951 Paula von Preradovic, Croatian Austrian writer (b. 1887)
- 1965 Sonny Boy Williamson
- 1986 Chester Bowles, politician
- 1988 Ernst Ruska, Nobel Prize in Physicist