769 – The Lateran Council condemned the Council of Hieria and anathematized its iconoclastic rulings.
1071 – Bari, the last Byzantine possession in southern Italy, is surrendered to Robert Guiscard.
1395 – Timur defeats Tokhtamysh of the Golden Horde at the Battle of the Terek River. The Golden Horde capital city, Sarai, is razed to the ground and Timur installs a puppet ruler on the throne.
1450 – Battle of Formigny: Toward the end of the Hundred Years’ War, the French attack and nearly annihilate English forces, ending English domination in Northern France.
1632 – Battle of Rain: Swedes under Gustavus Adolphus defeat the Holy Roman Empire during the Thirty Years’ War.
1642 – Irish Confederate Wars: A Confederate Irish militia is routed in the Battle of Kilrush when it attempts to halt the progress of a Royalist Army.
1715 – The Pocotaligo Massacre triggers the start of the Yamasee War in colonial South Carolina.
1736 – Foundation of the Kingdom of Corsica.
1738 – Serse, an Italian opera by George Frideric Handel receives its premiere performance in London, England.
1755 – Samuel Johnson’s A Dictionary of the English Language is published in London.
1783 – Preliminary articles of peace ending the American Revolutionary War (or American War of Independence) are ratified.
1817 – Thomas Hopkins Gallaudet and Laurent Clerc founded the American School for the Deaf, the first American school for deaf students, in Hartford, Connecticut.
1861 – President Abraham Lincoln calls for 75,000 Volunteers to quell the insurrection that soon became the American Civil War.
1865 – President Abraham Lincoln dies after being shot the previous evening by actor John Wilkes Booth. Vice President Andrew Johnson becomes President upon Lincoln’s death.
1892 – The General Electric Company is formed.
1896 – Closing ceremony of the Games of the I Olympiad in Athens, Greece.
1900 – Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
1907 – Triangle Fraternity is founded at the University of Illinois at Urbana–Champaign.
1912 – The British passenger liner RMS Titanic sinks in the North Atlantic at 2:20 a.m., two hours and forty minutes after hitting an iceberg. Only 710 of 2,227 passengers and crew on board survive.
1920 – Two security guards are murdered during a robbery in South Braintree, Massachusetts. Anarchists Sacco and Vanzetti would be convicted of and executed for the crime, amid much controversy.
1922 – U.S. Senator John B. Kendrick of Wyoming introduces a resolution calling for an investigation of a secret land deal, which leads to the discovery of the Teapot Dome scandal.
1923 – Insulin becomes generally available for use by people with diabetes.
1924 – Rand McNally publishes its first road atlas.
1936 – First day of the Arab revolt in Mandatory Palestine.
1941 – In the Belfast Blitz, two-hundred bombers of the German Luftwaffe attack Belfast, killing around one thousand people.
1942 – The George Cross is awarded “to the island fortress of Malta” by King George VI.
1945 – Bergen-Belsen concentration camp is liberated.
1947 – Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball’s color line.
1952 – First flight of the Boeing B-52 Stratofortress.
1955 – McDonald’s restaurant dates its founding to the opening of a franchised restaurant by Ray Kroc, in Des Plaines, Illinois.
1960 – At Shaw University in Raleigh, North Carolina, Ella Baker leads a conference that results in the creation of the Student Nonviolent Coordinating Committee, one of the principal organizations of the civil rights movement in the 1960s.
1969 – The EC-121 shootdown incident: North Korea shoots down a United States Navy aircraft over the Sea of Japan, killing all 31 onboard.
1970 – During the Cambodian Civil War, massacre of the Vietnamese minority results in 800 bodies flowing down the Mekong river into South Vietnam.
1986 – The United States launches Operation El Dorado Canyon, its bombing raids against Libyan targets in response to a discotheque bombing in West Germany that killed two U.S. servicemen.
1989 – Hillsborough disaster: A human crush occurs at Hillsborough Stadium, home of Sheffield Wednesday, in the FA Cup Semi-final, resulting in the deaths of 96 Liverpool fans.
1989 – Upon Hu Yaobang’s death, the Tiananmen Square protests of 1989 begin in China.
1994 – Marrakesh Agreement relating to foundation of World Trade Organization is adopted.
2013 – Two bombs explode near the finish line at the Boston Marathon in Boston, Massachusetts, killing three people and injuring 264 others.
2013 – A wave of bombings across Iraq kills at least 75 people.
2014 – In the worst massacre of the South Sudanese Civil War, at least 200 civilians were gunned down after seeking refuge in houses of worship as well as hospitals.
2019 – The cathedral of Notre-Dame de Paris in France is seriously damaged by a large fire.
Births on April 15
68 BC – Gaius Maecenas, Roman politician (d. 8 BC)
1282 – Frederick IV, Duke of Lorraine (d. 1329)
1367 – Henry IV of England (d. 1413)
1442 – John Paston, English noble (d. 1479)
1452 – Leonardo da Vinci, Italian painter, sculptor, and architect (d. 1519)
1469 – Guru Nanak, the first Sikh guru (d. 1539)
1552 – Pietro Cataldi, Italian mathematician and astronomer (d. 1626)
1563 – Guru Arjan Dev, fifth Sikh leader (d. 1606)
1588 – Claudius Salmasius, French author and scholar (d. 1653)
1592 – Francesco Maria Brancaccio, Catholic cardinal (d. 1675)
1641 – Robert Sibbald, Scottish physician and geographer (d. 1722)
1642 – Suleiman II, Ottoman sultan (d. 1691)
1646 – Christian V of Denmark (d. 1699)
1684 – Catherine I of Russia (d. 1727)
1688 – Johann Friedrich Fasch, German violinist and composer (d. 1758)
1707 – Leonhard Euler, Swiss mathematician and physicist (d. 1783)
1710 – William Cullen, Scottish physician and chemist (d. 1790)
1741 – Charles Willson Peale, American painter and soldier (d. 1827)
1771 – Nicolas Chopin, French-Polish educator (d. 1844)
1772 – Étienne Geoffroy Saint-Hilaire, French biologist and zoologist (d. 1844)
1793 – Friedrich Georg Wilhelm von Struve, German astronomer and academic (d. 1864)
1795 – Maria Schicklgruber, mother of Alois Hitler and the paternal grandmother of Adolf Hitler (d.1847)
1800 – James Clark Ross, English captain and explorer (d. 1862)
1808 – William Champ, English-Australian politician, 1st Premier of Tasmania (d. 1892)
1809 – Hermann Grassmann, German linguist and mathematician (d. 1877)
1817 – William Crowther, Dutch-Australian politician, 14th Premier of Tasmania (d. 1885)
1828 – Jean Danjou, French captain (d. 1863)
1832 – Wilhelm Busch, German poet, painter, and illustrator (d. 1908)
1841 – Mary Grant Roberts, Australian zoo owner (d. 1921)
1841 – Joseph E. Seagram, Canadian businessman and politician, founded the Seagram Company Ltd (d. 1919)
1843 – Henry James, American novelist, short story writer, and critic (d. 1916)
1856 – Jean Moréas, Greek poet and critic (d. 1910)
1858 – Émile Durkheim, French sociologist, psychologist, and philosopher (d. 1917)
1861 – Bliss Carman, Canadian-British poet and playwright (d. 1929)
1863 – Ida Freund, Austrian-born chemist and educator (d. 1914)
1874 – George Harrison Shull, American botanist and geneticist (d. 1954)
1874 – Johannes Stark, German physicist and academic, Nobel Prize laureate (d. 1957)
1875 – James J. Jeffries, American boxer and promoter (d. 1953)
1877 – Georg Kolbe, German sculptor (d. 1947)
1878 – Robert Walser, Swiss author and playwright (d. 1956)
1879 – Melville Henry Cane, American lawyer and poet (d. 1980)
1883 – Stanley Bruce, Australian captain and politician, 8th Prime Minister of Australia (d. 1967)
1885 – Tadeusz Kutrzeba, Polish general (d. 1947)
1886 – Nikolay Gumilyov, Russian poet and critic (d. 1921)
1887 – William Forgan Smith, Scottish-Australian politician, 24th Premier of Queensland (d. 1953)
1888 – Maximilian Kronberger, German poet and author (d. 1904)
1889 – Thomas Hart Benton, American painter and educator (d. 1975)
1889 – A. Philip Randolph, American activist (d. 1979)
1890 – Percy Shaw, English businessman, invented the cat’s eye (d. 1976)
1892 – Theo Osterkamp, German general and pilot (d. 1975)
1892 – Corrie ten Boom, Dutch-American clocksmith, Nazi resister, and author (d. 1983)
1894 – Nikita Khrushchev, Russian general and politician, 7th Premier of the Soviet Union (d. 1971)
1894 – Bessie Smith, African-American singer and actress (d. 1937)
1895 – Clark McConachy, New Zealand snooker player (d. 1980)
1895 – Abigail Mejia, Dominican feminist activist, nationalist, literary critic and educator (d. 1941)
1896 – Nikolay Semyonov, Russian physicist and chemist, Nobel Prize laureate (d. 1986)
1898 – Harry Edward, Guyanese-English sprinter (d. 1973)
1901 – Joe Davis, English snooker player (d. 1978)
1901 – Ajoy Mukherjee, Indian politician, Chief Minister of West Bengal (d. 1986)
1901 – René Pleven, French businessman and politician, Prime Minister of France (d. 1993)
1902 – Fernando Pessa, Portuguese journalist (d. 2002)
1903 – John Williams, English-American actor (d. 1983)
1904 – Arshile Gorky, Armenian-American painter and illustrator (d. 1948)
1907 – Nikolaas Tinbergen, Dutch-English ethologist and ornithologist, Nobel Prize laureate (d. 1988)
1908 – eden ahbez, Scottish-American songwriter and recording artist (d. 1995)
1908 – Lita Grey, American actress (d. 1995)
1910 – Sulo Bärlund, Finnish shot putter (d. 1986)
1910 – Miguel Najdorf, Polish-Argentinian chess player and theoretician (d. 1997)
1912 – William Congdon, American-Italian painter and sculptor (d. 1998)
1912 – Kim Il-sung, North Korean general and politician, 1st Supreme Leader of North Korea (d. 1994)
1915 – Elizabeth Catlett, African-American sculptor and illustrator (d. 2012)
1916 – Alfred S. Bloomingdale, American businessman (d. 1982)
1916 – Helene Hanff, American author and screenwriter (d. 1997)
1917 – Hans Conried, American actor (d. 1982)
1917 – Elmer Gedeon, American baseball player and bomber pilot (d. 1944)
1917 – James Kee, American lawyer and politician (d. 1989)
1918 – Hans Billian, German film director, screenwriter, and actor (d. 2007)
1919 – Alberto Breccia, Uruguayan-Argentinian author and illustrator (d. 1993)
1920 – Godfrey Stafford, English-South African physicist and academic (d. 2013)
1920 – Thomas Szasz, Hungarian-American psychiatrist and academic (d. 2012)
1920 – Richard von Weizsäcker, German soldier and politician, 6th President of Germany (d. 2015)
1921 – Georgy Beregovoy, Ukrainian-Russian general, pilot, and astronaut (d. 1995)
1921 – Angelo DiGeorge, American physician and endocrinologist (d. 2009)
1922 – Michael Ansara, Syrian-American actor (d. 2013)
1922 – Hasrat Jaipuri, Indian poet and songwriter (d. 1999)
1922 – Harold Washington, American lawyer and politician, 51st Mayor of Chicago (d. 1987)
1922 – Graham Whitehead, English racing driver (d. 1981)
1923 – Artur Alliksaar, Estonian poet and author (d. 1966)
1923 – Robert DePugh, American activist, founded the Minutemen (an anti-Communist organization) (d. 2009)
1924 – M. Canagaratnam, Sri Lankan politician (d. 1980)
1924 – Rikki Fulton, Scottish comedian (d. 2004)
1924 – Neville Marriner, English violinist and conductor (d. 2016)
1927 – Robert Mills, American physicist and academic (d. 1999)
1929 – Gérald Beaudoin, Canadian lawyer and politician (d. 2008)
1929 – Adrian Cadbury, English rower and businessman (d. 2015)
1930 – Georges Descrières, French actor (d. 2013)
1930 – Vigdís Finnbogadóttir, Icelandic educator and politician, 4th President of Iceland