April 20 Events |
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| April 20th, 2008 (April 20 2008) | Event | Danica Patrick wins the Indy Japan 300 becoming the first female driver in history to win an Indy car race. | |
| April 20th, 2007 (April 20 2007) | Event | Johnson Space Center Shooting: A man with a handgun barricades himself in NASA s Johnson Space Center in Houston, Texas before killing a male hostage and himself. | |
| April 20th, 2004 (April 20 2004) | Event | In Iraq, 12 mortars are fired on Abu Ghraib Prison by insurgents, killing 22 detainees and wounding 92. | |
| April 20th, 1999 (April 20 1999) | Event | Columbine High School massacre: Two gunmen kill 13 people and injure 24 others before committing suicide at Columbine High School located in Jefferson County, Colorado. | |
| April 20th, 1998 (April 20 1998) | Event | TAME Boeing 727-200 chartered by Air France crashes into Cerro El Cable mountain after takeoff from Bogota, Colombia, killing 53. | |
| April 20th, 1998 (April 20 1998) | Event | German terrorist group Red Army Faction announces their dissolution after 28 years. | |
| April 20th, 1986 (April 20 1986) | Event | Pianist Vladimir Horowitz performed in his native Russia for the first time in 61 years. | |
| April 20th, 1986 (April 20 1986) | Event | Professional basketball player Michael Jordan sets all-time record for points in an NBA playoff game with 63 against the Boston Celtics. | |
| April 20th, 1985 (April 20 1985) | Event | ATF raid on The Covenant, The Sword, and the Arm of the Lord compound in northern Arkansas. | |
| April 20th, 1980 (April 20 1980) | Event | Climax of Berber Spring in Algeria as hundreds of Berber political activists are arrested. | |
| April 20th, 1978 (April 20 1978) | Event | Korean Air Flight 902 shot down by Soviets. | |
| April 20th, 1972 (April 20 1972) | Event | Apollo 16 lands on the Moon. | |
| April 20th, 1968 (April 20 1968) | Event | A South African Airways Boeing 707 crashes during takeoff at Windhoek, South-West Africa, killing 122. | |
| April 20th, 1968 (April 20 1968) | Event | English politician Enoch Powell makes his controversial Rivers of Blood speech. | |
| April 20th, 1967 (April 20 1967) | Event | A Globe Air Bristol Britannia turboprop crashes at Nicosia, Cyprus, killing 126. | |
| April 20th, 1964 (April 20 1964) | Event | BBC Two launches with the power cut because of the fire at Battersea Power Station. | |
| April 20th, 1961 (April 20 1961) | Event | Failure of the Bay of Pigs Invasion of US troops against Cuba. | |
| April 20th, 1945 (April 20 1945) | Event | World War II: US troops capture Leipzig, Germany, only to later cede the city to the Soviet Union. | |
| April 20th, 1945 (April 20 1945) | Event | World War II: Fuehrerbunker: Adolf Hitler makes his last trip to the surface to award Iron Crosses to boy soldiers of the Hitler Youth. | Adolf Hitler Quotes |
| April 20th, 1926 (April 20 1926) | Event | Western Electric and Warner Bros. announce Vitaphone, a process to add sound to film. | |
| April 20th, 1918 (April 20 1918) | Event | Manfred von Richthofen, aka The Red Baron, shoots down his 79th and 80th victims marking his final victories before his death the following day. | |
| April 20th, 1916 (April 20 1916) | Event | Chicago Cubs played their first game at Weeghman Park (currently Wrigley Field), defeating the Cincinnati Reds 7-6 in 11 innings | |
| April 20th, 1914 (April 20 1914) | Event | Forty-five men, women, and children die in the Ludlow Massacre during a Colorado coal-miner s strike. | |
| April 20th, 1912 (April 20 1912) | Event | Opening day for baseball stadiums Tiger Stadium in Detroit, Michigan, and Fenway Park in Boston, Massachusetts. | |
| April 20th, 1908 (April 20 1908) | Event | Opening day of competition of the New South Wales Rugby League. | |
| April 20th, 1902 (April 20 1902) | Event | Pierre and Marie Curie refine radium chloride. | Marie Curie Quotes |
| April 20th, 1884 (April 20 1884) | Event | Pope Leo XIII publishes the encyclical, Humanum Genus. | |
| April 20th, 1871 (April 20 1871) | Event | Civil Rights Act of 1871 | |
| April 20th, 1862 (April 20 1862) | Event | The first pasteurization test completed by Louis Pasteur and Claude Bernard. | Louis Pasteur Quotes |
| April 20th, 1861 (April 20 1861) | Event | American Civil War: Robert E. Lee resigns his commission in the United States Army in order to command the forces of the state of Virginia. | |
| April 20th, 1836 (April 20 1836) | Event | U.S. Congress passes an act creating the Wisconsin Territory. | |
| April 20th, 1828 (April 20 1828) | Event | Rene Caillie is first non-Muslim to enter Timbouctou. | |
| April 20th, 1810 (April 20 1810) | Event | The Governors of Caracas declares the national sovereignty from Spain. | |
| April 20th, 1792 (April 20 1792) | Event | France declares war on Austria, the beginning of French Revolutionary Wars. | |
| April 20th, 1775 (April 20 1775) | Event | American Revolutionary War: the siege of Boston begins, which followed the first battles at Lexington and Concord. | |
| April 20th, 1689 (April 20 1689) | Event | The former King James II of England, now deposed, lays siege to Derry. | |
| April 20th, 1657 (April 20 1657) | Event | Admiral Robert Blake destroys a Spanish silver fleet under heavy fire at Santa Cruz de Tenerife. | |
| April 20th, 1657 (April 20 1657) | Event | Freedom of religion is granted to the Jews of New Amsterdam (later New York City). | |
| April 20th, 1653 (April 20 1653) | Event | Oliver Cromwell dissolves the Rump Parliament. | Oliver Cromwell Quotes |
| April 20th, 1534 (April 20 1534) | Event | Jacques Cartier begins his voyage, in which he will discover Canada and Labrador. | |
| April 20th, 1303 (April 20 1303) | Event | The University of Rome La Sapienza is instituted by Pope Boniface VIII. | |
