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This Day On History
| Date | Description | Type |
|---|---|---|
| 20th of April 1303 | EVENT | The University of Rome La Sapienza is instituted by Pope Boniface VIII. |
| 20th of April 1453 | EVENT | The last naval battle in Byzantine history occurs, as three Genoese galleys escorting a Byzantine transport fight their way through the huge Ottoman blockade fleet and into the Golden Horn. |
| 20th of April 1526 | EVENT | The last ruler of the Lodi Dynasty, Ibrahim Lodi is defeated and killed by Babur in the First Battle of Panipat. |
| 20th of April 1534 | EVENT | Jacques Cartier begins the voyage during which he discovers Canada and Labrador. |
| 20th of April 1535 | EVENT | The Sun dog phenomenon observed over Stockholm and depicted in the famous painting "Vadersolstavlan". |
| 20th of April 1653 | EVENT | Oliver Cromwell dissolves the Rump Parliament. |
| 20th of April 1657 | EVENT | Admiral Robert Blake destroys a Spanish silver fleet under heavy fire at Santa Cruz de Tenerife. |
| 20th of April 1657 | EVENT | Freedom of religion is granted to the Jews of New Amsterdam (later New York City). |
| 20th of April 1689 | EVENT | The former King James II of England, now deposed, lays siege to Derry. |
| 20th of April 1770 | EVENT | The Georgian king Erekle II, abandoned by his Russian ally Count Totleben, wins a victory over Ottoman forces at Aspindza. |
| 20th of April 1775 | EVENT | American Revolutionary War: the Siege of Boston begins, following the battles at Lexington and Concord. |
| 20th of April 1792 | EVENT | France declares war on Austria, the beginning of French Revolutionary Wars. |
| 20th of April 1809 | EVENT | Two Austrian army corps in Bavaria are defeated by a First French Empire army led by Napoleon I of France at the Battle of Abensberg on the second day of a four day campaign that ended in a French victory. |
| 20th of April 1810 | EVENT | The Governor of Caracas declares independence from Spain. |
| 20th of April 1818 | EVENT | The case of Ashford v Thornton ends, with Abraham Thornton allowed to go free rather than face a retrial for murder, after his demand for trial by battle is upheld. |
| 20th of April 1828 | EVENT | Rene Caillie becomes the first non-Muslim to enter Timbouctou. |
| 20th of April 1836 | EVENT | U.S. Congress passes an act creating the Wisconsin Territory. |
| 20th of April 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. |
| 20th of April 1862 | EVENT | Louis Pasteur and Claude Bernard complete the first pasteurization tests. |
| 20th of April 1865 | EVENT | Astronomer Pietro Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion. |
| 20th of April 1871 | EVENT | The Civil Rights Act of 1871 becomes law. |
| 20th of April 1876 | EVENT | The April Uprising : a key point in modern Bulgarian history, leading to the Russo-Turkish War and the liberation of Bulgaria from ottoman slavery, as an independent part of the Ottoman Empire. |
| 20th of April 1884 | EVENT | Pope Leo XIII publishes the encyclical Humanum Genus. |
| 20th of April 1902 | EVENT | Pierre and Marie Curie refine radium chloride. |
| 20th of April 1908 | EVENT | Opening day of competition in the New South Wales Rugby League. |
| 20th of April 1912 | EVENT | Opening day for baseball's Tiger Stadium in Detroit, Michigan, and Fenway Park in Boston, Massachusetts. |
| 20th of April 1914 | EVENT | 19 men, women, and children die in the Ludlow Massacre during a Colorado coal-miner's strike. |
| 20th of April 1916 | EVENT | The Chicago Cubs play their first game at Weeghman Park (currently Wrigley Field), defeating the Cincinnati Reds 7-6 in 11 innings |
| 20th of April 1918 | EVENT | Manfred von Richthofen, aka The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day. |
| 20th of April 1922 | EVENT | The Soviet government creates South Ossetian Autonomous Oblast within Georgian SSR. |
| 20th of April 1926 | EVENT | Western Electric and Warner Bros. announce Vitaphone, a process to add sound to film. |
| 20th of April 1939 | EVENT | Adolf Hitler's 50th birthday is celebrated as a national holiday in Nazi Germany |
| 20th of April 1939 | EVENT | Billie Holiday records the first Civil Rights song "Strange Fruit". |
| 20th of April 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. |
| 20th of April 1945 | EVENT | World War II: US troops capture Leipzig, Germany, only to later cede the city to the Soviet Union. |
| 20th of April 1946 | EVENT | The League of Nations officially dissolves, giving most of its power to the United Nations. |
| 20th of April 1961 | EVENT | Failure of the Bay of Pigs Invasion of US-backed troops against Cuba. |
| 20th of April 1964 | EVENT | BBC Two launches with a power cut because of the fire at Battersea Power Station. |
| 20th of April 1968 | EVENT | English politician Enoch Powell makes his controversial Rivers of Blood speech. |
| 20th of April 1972 | EVENT | Apollo 16, commanded by John Young, lands on the moon . |
| 20th of April 1978 | EVENT | Korean Air Flight 902 is shot down by the Soviet Union. |
| 20th of April 1980 | EVENT | Climax of Berber Spring in Algeria as hundreds of Berber political activists are arrested. |
| 20th of April 1984 | EVENT | The Good Friday Massacre, an extremely violent ice hockey playoff game, is played in Montreal, Canada. |
| 20th of April 1985 | EVENT | The ATF raids The Covenant, The Sword, and the Arm of the Lord compound in northern Arkansas. |
| 20th of April 1986 | EVENT | Pianist Vladimir Horowitz performs in his native Russia for the first time in 61 years. |
| 20th of April 1998 | EVENT | German terrorist group the Red Army Faction announces their dissolution after 28 years. |
| 20th of April 1999 | EVENT | Columbine High School massacre: Eric Harris and Dylan Klebold kill 13 people and injure 24 others before committing suicide at Columbine High School in Jefferson County, Colorado. |
| 20th of April 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. |
| 20th of April 2008 | EVENT | Danica Patrick wins the Indy Japan 300 becoming the first female driver in history to win an Indy car race. |
| 20th of April 2010 | EVENT | The Deepwater Horizon oil well explodes in the Gulf of Mexico, killing eleven workers and beginning an oil spill that would last five months. |
| 20th of April 0702 | BIRTHDAY | Jafar Sadiq, Shi'a Imam and Muslim scholar (d. 765) |
| 20th of April 1494 | BIRTHDAY | Johannes Agricola, German Protestant reformer (d. 1566) |
| 20th of April 1586 | BIRTHDAY | Saint Rose of Lima, Peruvian saint (d. 1617) |
| 20th of April 1633 | BIRTHDAY | Emperor Go-Komyo of Japan (d. 1654) |
| 20th of April 1646 | BIRTHDAY | Charles Plumier, French botanist (d. 1704) |
| 20th of April 1650 | BIRTHDAY | William Bedloe, English informer (d. 1680) |
| 20th of April 1668 | BIRTHDAY | Yuri Troubetzkoy, Governor of Belgorod (d. 1739) |
| 20th of April 1718 | BIRTHDAY | David Brainerd, American missionary (d. 1747) |
| 20th of April 1723 | BIRTHDAY | Cornelius Harnett, American Continental Congress delegate (d. 1781) |
| 20th of April 1727 | BIRTHDAY | Comte de Mercy-Argenteau, Belgian-born Austrian diplomat (d. 1794) |
| 20th of April 1745 | BIRTHDAY | Philippe Pinel, French physician (d. 1826) |
| 20th of April 1808 | BIRTHDAY | Emperor Napoleon III of France (d. 1873) |
| 20th of April 1818 | BIRTHDAY | Heinrich Gobel, German-born inventor (d. 1893) |
| 20th of April 1826 | BIRTHDAY | Dinah Craik, English author (d. 1887) |
| 20th of April 1850 | BIRTHDAY | Daniel Chester French, American sculptor (d. 1931) |
| 20th of April 1851 | BIRTHDAY | Young Tom Morris, Scottish golfer (d. 1875) |
| 20th of April 1870 | BIRTHDAY | Maulvi Abdul Haq, Pakistani scholar (d. 1961) |
| 20th of April 1871 | BIRTHDAY | Sydney Chapman, British economist and civil servant (d. 1951) |
| 20th of April 1879 | BIRTHDAY | Paul Poiret, French couturier (d. 1944) |
| 20th of April 1882 | BIRTHDAY | Holland Smith, U.S. General (d. 1967) |
| 20th of April 1884 | BIRTHDAY | Princess Beatrice of Edinburgh and Saxe-Coburg and Gotha (d. 1966) |
| 20th of April 1884 | BIRTHDAY | Daniel Varujan, Armenian poet (d. 1915) |
| 20th of April 1889 | BIRTHDAY | Albert Jean Amateau, Turkish-born businessman and activist (d. 1996) |
| 20th of April 1889 | BIRTHDAY | Adolf Hitler, German politician, Chancellor of Germany (d. 1945) |
| 20th of April 1890 | BIRTHDAY | Maurice Duplessis, premier of Quebec (d. 1959) |
| 20th of April 1893 | BIRTHDAY | Joan Miro, Spanish painter (d. 1983) |
| 20th of April 1893 | BIRTHDAY | Harold Lloyd, American actor (d. 1971) |
| 20th of April 1893 | BIRTHDAY | Edna Parker, American supercentenarian (d. 2008) |
| 20th of April 1895 | BIRTHDAY | Emile Christian, American musician (d. 1973) |
| 20th of April 1896 | BIRTHDAY | Wop May, Canadian aviator (d. 1952) |
| 20th of April 1896 | BIRTHDAY | Henry de Montherlant, French writer (d. 1972) |
| 20th of April 1904 | BIRTHDAY | George Stibitz, American scientist (d. 1995) |
| 20th of April 1904 | BIRTHDAY | Bruce Cabot, American actor (d. 1972) |
| 20th of April 1907 | BIRTHDAY | Augoustinos Kantiotes, Greek Orthodox bishop of Florina (d. 2010) |
| 20th of April 1908 | BIRTHDAY | Lionel Hampton, American musician (d. 2002) |
| 20th of April 1913 | BIRTHDAY | Mimis Fotopoulos, Greek actor (d. 1986) |
| 20th of April 1914 | BIRTHDAY | Betty Lou Gerson, American actress (d. 1999) |
| 20th of April 1915 | BIRTHDAY | Joseph Wolpe, South African : born psychotherapist (d. 1997) |
| 20th of April 1918 | BIRTHDAY | Edward L. Beach, Jr., American naval officer, author (d. 2002) |
| 20th of April 1918 | BIRTHDAY | Kai Siegbahn, Swedish physicist, Nobel Prize laureate (d. 2007) |
| 20th of April 1919 | BIRTHDAY | Richard Hillary, Australian pilot and author (d. 1943) |
| 20th of April 1920 | BIRTHDAY | Ronald Speirs, WWII Veteran (d. 2007) |
| 20th of April 1920 | BIRTHDAY | John Paul Stevens, American jurist |
| 20th of April 1921 | BIRTHDAY | Janine Sutto, French-Canadian actress |
| 20th of April 1923 | BIRTHDAY | Mother Angelica, American nun and broadcaster |
| 20th of April 1923 | BIRTHDAY | Irene Lieblich, Polish-born painter (d. 2008) |
| 20th of April 1923 | BIRTHDAY | Tito Puente, American musician (d. 2000) |
| 20th of April 1924 | BIRTHDAY | Nina Foch, Dutch-born American actress (d. 2008) |
| 20th of April 1924 | BIRTHDAY | Leslie Phillips, English actor |
| 20th of April 1925 | BIRTHDAY | Ernie Stautner, German-born American football player (d. 2006) |
| 20th of April 1927 | BIRTHDAY | Phil Hill, American race car driver (d. 2008) |
| 20th of April 1927 | BIRTHDAY | Karl Alexander Muller, Swiss physicist, Nobel Prize laureate |
| 20th of April 1928 | BIRTHDAY | Johnny Gavin, Irish footballer (d. 2007) |
| 20th of April 1928 | BIRTHDAY | Gerald S. Hawkins, English astronomer (d. 2003) |
| 20th of April 1929 | BIRTHDAY | Harry Agganis, Greek-American baseball and football player (d. 1955) |
| 20th of April 1931 | BIRTHDAY | John Eccles, 2nd Viscount Eccles, British businessman and peer |
| 20th of April 1936 | BIRTHDAY | Pat Roberts, American politician |
| 20th of April 1937 | BIRTHDAY | Antonios Kounadis, Greek discus thrower |
| 20th of April 1937 | BIRTHDAY | George Takei, American actor |
| 20th of April 1938 | BIRTHDAY | Johnny Tillotson, American Singer and Songwriter |
| 20th of April 1938 | BIRTHDAY | Tamasi Eszter, Hungarian TV announcer and actress (d. 1991) |
| 20th of April 1939 | BIRTHDAY | Peter S. Beagle, American author |
| 20th of April 1939 | BIRTHDAY | Johnny Tillotson, American singer |
| 20th of April 1939 | BIRTHDAY | Gro Harlem Brundtland, former Prime Minister of Norway |
| 20th of April 1940 | BIRTHDAY | James Gammon, American actor (d. 2010) |
| 20th of April 1941 | BIRTHDAY | Ryan O'Neal, American actor |
| 20th of April 1942 | BIRTHDAY | Arto Paasilinna, Finnish writer |
| 20th of April 1943 | BIRTHDAY | John Eliot Gardiner, English conductor |
| 20th of April 1943 | BIRTHDAY | Edie Sedgwick, American actress (d. 1971) |
| 20th of April 1945 | BIRTHDAY | Steve Spurrier, American football player and coach |
| 20th of April 1945 | BIRTHDAY | Michael Brandon, American actor |
| 20th of April 1946 | BIRTHDAY | Julien Poulin, French Canadian actor |
| 20th of April 1946 | BIRTHDAY | Gordon Smiley, American racecar driver (d. 1982) |
| 20th of April 1947 | BIRTHDAY | David Leland, British actor, director and screenwriter |
| 20th of April 1947 | BIRTHDAY | Ken Scott, English record producer and recording engineer |
| 20th of April 1947 | BIRTHDAY | Andrew Tobias, American journalist and author |
| 20th of April 1947 | BIRTHDAY | Bjorn Skifs, Swedish singer (Blue Swede) |
| 20th of April 1948 | BIRTHDAY | Gregory Itzin, American actor |
| 20th of April 1948 | BIRTHDAY | Remy Trudel, French Canadian politician |
| 20th of April 1948 | BIRTHDAY | Craig Frost, American musician (Grand Funk & Bob Seger) |
| 20th of April 1949 | BIRTHDAY | Veronica Cartwright, American actress |
| 20th of April 1949 | BIRTHDAY | Toller Cranston, Canadian figure skater and artist |
| 20th of April 1949 | BIRTHDAY | Jessica Lange, American actress |
| 20th of April 1949 | BIRTHDAY | Massimo D'Alema, 76th Prime Minister of Italy |
| 20th of April 1950 | BIRTHDAY | Steve Erickson, American novelist |
| 20th of April 1950 | BIRTHDAY | Alexander Lebed, Russian general and politician (d. 2002) |
| 20th of April 1950 | BIRTHDAY | Chandra Babu Naidu, Indian politician |
| 20th of April 1951 | BIRTHDAY | Luther Vandross, American singer (d. 2005) |
| 20th of April 1952 | BIRTHDAY | Louka Katseli, Greek Minister for Labour and Social Security |
| 20th of April 1952 | BIRTHDAY | Bozidar Maljkovic, Serbian basketball coach |
| 20th of April 1953 | BIRTHDAY | Sebastian Faulks, British novelist |
| 20th of April 1954 | BIRTHDAY | Gilles Lupien, French-Canadian ice hockey player |
| 20th of April 1955 | BIRTHDAY | Don Pettit, American astronaut and inventor |
| 20th of April 1956 | BIRTHDAY | Beatrice Ask, Swedish politician |
| 20th of April 1957 | BIRTHDAY | Geraint Wyn Davies, Welsh-born Canadian actor |
| 20th of April 1958 | BIRTHDAY | Viacheslav Fetisov, Russian ice hockey player |
| 20th of April 1959 | BIRTHDAY | Clint Howard, American actor |
| 20th of April 1960 | BIRTHDAY | Dimebag Darrell, American musician, guitarist for heavy metal bands Pantera and Damage Plan (d. 2004) |
| 20th of April 1961 | BIRTHDAY | Barry Smolin, American radio host, writer, and musician |
| 20th of April 1961 | BIRTHDAY | Konstantin Lavronenko, Russian actor |
| 20th of April 1961 | BIRTHDAY | Nicholas Lyndhurst, British actor |
| 20th of April 1961 | BIRTHDAY | Don Mattingly, American baseball player |
| 20th of April 1962 | BIRTHDAY | Henry Joseph Nasiff Jr. (AKA: Hank the Angry Drunken Dwarf), American radio personality (d. 2001) |
| 20th of April 1963 | BIRTHDAY | Aubrey de Grey, British biomedical gerontologist |
| 20th of April 1963 | BIRTHDAY | Mauricio Gugelmin, Brazilian racing driver |
| 20th of April 1964 | BIRTHDAY | Crispin Glover, American actor |
| 20th of April 1964 | BIRTHDAY | Andy Serkis, English actor |
| 20th of April 1964 | BIRTHDAY | Rosalynn Sumners, American figure skater |
| 20th of April 1965 | BIRTHDAY | Kostas Hatzidakis, Greek politician |
| 20th of April 1965 | BIRTHDAY | Adrian Fernandez, Mexican racing driver |
| 20th of April 1965 | BIRTHDAY | April March, American musician |
| 20th of April 1966 | BIRTHDAY | David Chalmers, Australian philosopher |
| 20th of April 1967 | BIRTHDAY | Raymond van Barneveld, Dutch darts player |
| 20th of April 1967 | BIRTHDAY | Mike Portnoy, American drummer (Dream Theater, Avenged Sevenfold) |
| 20th of April 1967 | BIRTHDAY | Lara Jill Miller, American actress |
| 20th of April 1968 | BIRTHDAY | J. D. Roth, American game show host and television personality |
| 20th of April 1968 | BIRTHDAY | Yelena Valbe, Russian cross-country skier |
| 20th of April 1970 | BIRTHDAY | Saraa, Mongolian singer |
| 20th of April 1970 | BIRTHDAY | Adriano Moraes, Brazilian rodeo performer |
| 20th of April 1970 | BIRTHDAY | Shemar Moore, American actor |
| 20th of April 1971 | BIRTHDAY | Carla Geurts, Dutch swimmer |
| 20th of April 1971 | BIRTHDAY | Nikos Kyzeridis, Greek footballer |
| 20th of April 1971 | BIRTHDAY | Allan Houston, American basketball player |
| 20th of April 1972 | BIRTHDAY | Carmen Electra, American actress |
| 20th of April 1972 | BIRTHDAY | Zeljko Joksimovic, Serbian singer, songwriter and producer |
| 20th of April 1972 | BIRTHDAY | Le Huynh ?uc, Vietnamese footballer |
| 20th of April 1972 | BIRTHDAY | Marko Kon, Serbian singer, composer, songwriter and producer |
| 20th of April 1972 | BIRTHDAY | Stephen Marley, Jamaican musician |
| 20th of April 1973 | BIRTHDAY | Geoff Lloyd, British radio presenter |
| 20th of April 1973 | BIRTHDAY | Lamond Murray, American basketball player |
| 20th of April 1974 | BIRTHDAY | Tina Cousins, English singer |
| 20th of April 1976 | BIRTHDAY | Aldo Bobadilla, Paraguayan football player |
| 20th of April 1976 | BIRTHDAY | Shay Given, Irish footballer |
| 20th of April 1976 | BIRTHDAY | Joey Lawrence, American actor |
| 20th of April 1976 | BIRTHDAY | Chris Mason, Canadian ice hockey goaltender |
| 20th of April 1977 | BIRTHDAY | Johnny "The Bull" Stamboli, professional wrestler |
| 20th of April 1978 | BIRTHDAY | Mirei Kuroda, Japanese gravure idol |
| 20th of April 1979 | BIRTHDAY | Ludovic Magnin, Swiss football player |
| 20th of April 1979 | BIRTHDAY | Quinn Weng, Taiwanese singer (Seraphim) |
| 20th of April 1979 | BIRTHDAY | Nathan Marquardt, American mixed martial artist |
| 20th of April 1980 | BIRTHDAY | Chris Duffy, American baseball player |
| 20th of April 1980 | BIRTHDAY | Arin Paul, Indian Film Director |
| 20th of April 1980 | BIRTHDAY | Jasmin Wagner, German singer |
| 20th of April 1982 | BIRTHDAY | Dario Knezevic, Croatian football player |
| 20th of April 1983 | BIRTHDAY | Danny Granger, American basketball player |
| 20th of April 1983 | BIRTHDAY | Miranda Kerr, Australian supermodel |
| 20th of April 1983 | BIRTHDAY | Joanne King, Irish/English actress |
| 20th of April 1983 | BIRTHDAY | Fabio Staibano, Italian rugby player |
| 20th of April 1984 | BIRTHDAY | Edixon Perea Valencia, Colombian football player |
| 20th of April 1984 | BIRTHDAY | Tyson Griffin, American mixed martial artist |
| 20th of April 1985 | BIRTHDAY | Ehsan Jami, Dutch-Iranian politician and activist. |
| 20th of April 1986 | BIRTHDAY | Cameron Duncan, New Zealand director (d. 2003) |
| 20th of April 1987 | BIRTHDAY | John Patrick Amedori, American actor |
| 20th of April 1176 | DEATH | Richard de Clare, 2nd Earl of Pembroke, English military leader (Born 1130) |
| 20th of April 1314 | DEATH | Pope Clement V (Born 1264) |
| 20th of April 1521 | DEATH | Zhengde, Emperor of China (Born 1491) |
| 20th of April 1534 | DEATH | Elizabeth Barton, English nun (executed) |
| 20th of April 1558 | DEATH | Johannes Bugenhagen, German reformer (Born 1485) |
| 20th of April 1643 | DEATH | Christoph Demantius, German composer (Born 1567) |
| 20th of April 1703 | DEATH | Lancelot Addison, English royal chaplain (Born 1632) |
| 20th of April 1769 | DEATH | Pontiac, Chief of the Ottawa (Born 1720) |
| 20th of April 1831 | DEATH | John Abernethy, English surgeon (Born 1764) |
| 20th of April 1873 | DEATH | William Tite, English architect (Born 1798) |
| 20th of April 1874 | DEATH | Alexander H. Bailey, American politician (Born 1817) |
| 20th of April 1887 | DEATH | Muhammad Sharif Pasha, Egyptian statesman (Born 1826) |
| 20th of April 1899 | DEATH | Joseph Wolf, German artist (Born 1820) |
| 20th of April 1902 | DEATH | Joaquim de Sousa Andrade, Brazilian poet who designed the flag of the State of Maranhao (Born 1833) |
| 20th of April 1912 | DEATH | Bram Stoker, Irish author (Born 1847) |
| 20th of April 1918 | DEATH | Karl Ferdinand Braun, German physicist, Nobel Prize laureate (Born 1850) |
| 20th of April 1929 | DEATH | Prince Albert Wilhelm Heinrich of Prussia (Born 1862) |
| 20th of April 1932 | DEATH | Giuseppe Peano, Italian mathematician (Born 1858) |
| 20th of April 1944 | DEATH | Elmer Gedeon, one of two Major League Baseball fatal casualties during World War II. |
| 20th of April 1945 | DEATH | Erwin Bumke, German jurist (Born 1874) |
| 20th of April 1947 | DEATH | King Christian X of Denmark (Born 1870) |
| 20th of April 1951 | DEATH | Ivanoe Bonomi, Prime Minister of Italy (Born 1873) |
| 20th of April 1964 | DEATH | Eddie Dyer, American baseball player (Born 1899) |
| 20th of April 1977 | DEATH | Sepp Herberger, German football coach (Born 1897) |
| 20th of April 1982 | DEATH | Archibald MacLeish, American poet and Librarian of Congress (Born 1892) |
| 20th of April 1986 | DEATH | Sibte Hassan, Pakistani activist, journalist and writer (Born 1916) |
| 20th of April 1989 | DEATH | Doru Davidovici, Romanian writer and fighter pilot (Born 1945) |
| 20th of April 1991 | DEATH | Steve Marriott, British singer and songwriter (The Small Faces) (Humble Pie) (Born 1947) |
| 20th of April 1991 | DEATH | Don Siegel, American film director (Born 1912) |
| 20th of April 1992 | DEATH | Benny Hill, British comedian (Born 1924) |
| 20th of April 1993 | DEATH | Cantinflas, Mexican comedian and actor (Born 1911) |
| 20th of April 1994 | DEATH | Jean Carmet, French actor (Born 1920) |
| 20th of April 1996 | DEATH | Christopher Robin Milne, son of A.A. Milne (Born 1920) |
| 20th of April 1999 | DEATH | Rick Rude, American professional wrestler (Born 1958) |
| 20th of April 1999 | DEATH | Senor Wences, Spanish ventriloquist and comedian (Born 1896) |
| 20th of April 1999 | DEATH | Dylan Klebold, perpetrator of the Columbine High massacre (Born 1981) |
| 20th of April 1999 | DEATH | Eric David Harris, perpetrator of the Columbine High massacre (Born 1981) |
| 20th of April 1999 | DEATH | Cassie Bernall, Columbine High School massacre victim (Born 1981) |
| 20th of April 1999 | DEATH | Rachel Joy Scott, Columbine High School massacre victim (Born 1981) |
| 20th of April 2001 | DEATH | Giuseppe Sinopoli, Italian conductor and composer (Born 1946) |
| 20th of April 2002 | DEATH | Alan Dale, American singer (Born 1925) |
| 20th of April 2003 | DEATH | Bernard Katz, German-born biophysicist, recipient of the Nobel Prize in Physiology or Medicine (Born 1911) |
| 20th of April 2003 | DEATH | Ruth Hale, American playwright and actress (Born 1908) |
| 20th of April 2003 | DEATH | Daijiro Kato, Japanese motorcycle racer (Born 1976) |
| 20th of April 2005 | DEATH | Fumio Niwa, Japanese novelist (Born 1904) |
| 20th of April 2005 | DEATH | Zygfryd Blaut, Polish football player (Born 1943) |
| 20th of April 2007 | DEATH | Andrew Hill, American jazz composer and pianist (Born 1931) |
| 20th of April 2007 | DEATH | Fred Fish, a computer programmer on the GNU Debugger and "Fish disks" (Born 1952) |
| 20th of April 2007 | DEATH | Michael Fu Tieshan, Chinese bishop (Born 1931). |
| 20th of April 2008 | DEATH | Monica Lovinescu, Romanian essayist, literary critic and journalist (Born 1923) |
| 20th of April 2008 | DEATH | VL Mike, American rapper (Born 1976) |
| 20th of April 2009 | DEATH | Beata Asimakopoulou, Greek actress (Born 1932) |
| 20th of April 2010 | DEATH | Dorothy Height, American civil rights activist (Born 1912) |