April 20

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2023

April 20 in recent years

2022 (Wednesday)

2021 (Tuesday)

2020 (Monday)

2019 (Saturday)

2018 (Friday)

2017 (Thursday)

2016 (Wednesday)

2015 (Monday)

2014 (Sunday)

2013 (Saturday)

April 20 is the 110th day of the year (111th in leap years) in the Gregorian calendar; 255 days remain until the end of the year.

Events

Pre-1600

• 1303 – The Sapienza University of Rome is instituted by a bull of Pope Boniface VIII.^[1]

1601–1900

• 1653 – Oliver Cromwell dissolves England's Rump Parliament.^[2]
• 1657 – English Admiral Robert Blake destroys a Spanish silver fleet, under heavy fire from the shore, at the Battle of Santa Cruz de Tenerife.^[3]
• 1657 – Freedom of religion is granted to the Jews of New Amsterdam (later New York City).
• 1752 – Start of Konbaung–Hanthawaddy War, a new phase in the Burmese Civil War (1740–57).
• 1770 – The Georgian king, Erekle II, abandoned by his Russian ally Count Totleben, wins a victory over Ottoman forces at Aspindza.
• 1775 – American Revolutionary War: The Siege of Boston begins, following the battles at Lexington and Concord.
• 1789 – George Washington arrives at Grays Ferry, Philadelphia, while en route to Manhattan for his inauguration.
• 1792 – France declares war against the "King of Hungary and Bohemia", the beginning of the French Revolutionary Wars.
• 1800 – The Septinsular Republic is established.
• 1809 – Two Austrian army corps in Bavaria are defeated by a First French Empire army led by Napoleon at the Battle of Abensberg on the second day of a four-day campaign that ended in a French victory.
• 1828 – René Caillié becomes the second non-Muslim to enter Timbuktu, following Major Gordon Laing. He would also be the first to return alive.^[4]
• 1836 – U.S. Congress passes an act creating the Wisconsin Territory.
• 1861 – 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.^[5]
• 1861 – Thaddeus S. C. Lowe, attempting to display the value of balloons, makes record journey, flying 900 miles from Cincinnati to South Carolina.^[6]
• 1862 – Louis Pasteur and Claude Bernard complete the experiment disproving the theory of spontaneous generation.
• 1865 – Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion.
• 1876 – The April Uprising begins. Its suppression shocks European opinion, and Bulgarian independence becomes a condition for ending the Russo-Turkish War.
• 1884 – Pope Leo XIII publishes the encyclical Humanum genus, condemning Freemasonry.
• 1898 – U.S. President William McKinley signs a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.^[7]

1901–present

• 1902 – Pierre and Marie Curie refine radium chloride.
• 1908 – Opening day of competition in the New South Wales Rugby League.^[8]
• 1914 – Nineteen men, women, and children participating in a strike are killed in the Ludlow Massacre during the Colorado Coalfield War.^[9]
• 1918 – Manfred von Richthofen, a.k.a. The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day.
• 1922 – The Soviet government creates South Ossetian Autonomous Oblast within Georgian SSR.
• 1945 – World War II: U.S. troops capture Leipzig, Germany, only to later cede the city to the Soviet Union.
• 1945 – World War II: Führerbunker: On his 56th birthday Adolf Hitler makes his last trip to the surface to award Iron Crosses to boy soldiers of the Hitler Youth.
• 1945 – Twenty Jewish children used in medical experiments at Neuengamme are killed in the basement of the Bullenhuser Damm school.
• 1946 – The League of Nations officially dissolves, giving most of its power to the United Nations.
• 1961 – Cold War: Failure of the Bay of Pigs Invasion of US-backed Cuban exiles against Cuba.
• 1968 – English politician Enoch Powell makes his controversial "Rivers of Blood" speech.^[10]
• 1968 – South African Airways Flight 228 crashes near the Hosea Kutako International Airport in South West Africa (now Namibia), killing 123 people.^[11]
• 1972 – Apollo program: Apollo 16 lunar module, commanded by John Young and piloted by Charles Duke, lands on the moon.
• 1998 – Air France Flight 422 crashes after taking off from El Dorado International Airport in Bogotá, Colombia, killing all 53 people on board.^[12]
• 1999 – Columbine High School massacre: Eric Harris and Dylan Klebold kill 13 people and injure 24 others before committing suicide at Columbine High School in Columbine, Colorado.
• 2007 – Johnson Space Center shooting: William Phillips with a handgun barricades himself in NASA's Johnson Space Center in Houston, Texas before killing a male hostage and himself.
• 2008 – Danica Patrick wins the Indy Japan 300 becoming the first female driver in history to win an Indy car race.^[13]
• 2010 – The Deepwater Horizon drilling rig explodes in the Gulf of Mexico, killing eleven workers and beginning an oil spill that would last six months.
• 2012 – One hundred twenty-seven people are killed when a plane crashes in a residential area near the Benazir Bhutto International Airport near Islamabad, Pakistan.
• 2013 – A 6.6-magnitude earthquake strikes Lushan County, Ya'an, in China's Sichuan province, killing more than 150 people and injuring thousands.
• 2015 – Ten people are killed in a bomb attack on a convoy carrying food supplies to a United Nations compound in Garowe in the Somali region of Puntland.
• 2020 – For the first time in history, oil prices drop below zero, an effect of the 2020 Russia-Saudi Arabia oil price war.^[14]
• 2021 – State of Minnesota v. Derek Michael Chauvin: Derek Chauvin is found guilty of all charges in the murder of George Floyd by the Fourth Judicial District Court of Minnesota.^[15]

Births

Pre-1600

• 1494 – Johannes Agricola, German theologian and reformer (d. 1566)^[16]
• 1544 – Renata of Lorraine, Duchess consort of Bavaria (d. 1602)
• 1586 – Rose of Lima, Peruvian mystic and saint (d. 1617)

1601–1900

• 1633 – Emperor Go-Kōmyō of Japan (d. 1654)
• 1646 – Charles Plumier, French botanist and author (d. 1704)
• 1650 – William Bedloe, English spy (d. 1680)
• 1718 – David Brainerd, American missionary (d. 1747)
• 1723 – Cornelius Harnett, American merchant, farmer, and politician (d. 1781)^[17]
• 1727 – Florimond Claude, Comte de Mercy-Argenteau, Belgian-Austrian minister and diplomat (d. 1794)
• 1745 – Philippe Pinel, French physician and psychiatrist (d. 1826)
• 1748 – Georg Michael Telemann, German composer and theologian (d. 1831)
• 1808 – Napoleon III, French politician, 1st President of France (d. 1873)
• 1816 – Bogoslav Šulek, Croatian philologist, historian, and lexicographer (d. 1895)
• 1818 – Heinrich Göbel, German-American mechanic and engineer (d. 1893)
• 1826 – Dinah Craik, English author and poet (d. 1887)
• 1836 – Eli Whitney Blake, Jr., American scientist and academic (d. 1895)
• 1839 – Carol I of Romania, King of Romania (d. 1914)
• 1840 – Odilon Redon, French painter and illustrator (d. 1916)
• 1850 – Daniel Chester French, American sculptor, designed the Lincoln statue (d. 1931)
• 1851 – Alexander Dianin, Russian chemist (d. 1918)
• 1851 – Siegmund Lubin, Polish-American businessman, founded the Lubin Manufacturing Company (d. 1923)
• 1860 – Justinien de Clary, French target shooter (d. 1933)
• 1871 – Sydney Chapman, English economist and civil servant (d. 1951)
• 1873 – James Harcourt, English character actor (d. 1951)
• 1875 – Vladimir Vidrić, Croatian poet and lawyer (d. 1909)
• 1879 – Paul Poiret, French fashion designer (d. 1944)
• 1882 – Holland Smith, American general (d. 1967)
• 1884 – Princess Beatrice of Saxe-Coburg and Gotha (d. 1966)
• 1884 – Oliver Kirk, American boxer (d. 1960)
• 1884 – Daniel Varoujan, Armenian poet and educator (d. 1915)
• 1889 – Albert Jean Amateau, Turkish rabbi, lawyer, and activist (d. 1996)
• 1889 – Prince Erik, Duke of Västmanland (d. 1918)
• 1889 – Marie-Antoinette de Geuser, French mystic (d. 1918)
• 1889 – Adolf Hitler, Austrian-born German politician, Führer of Nazi Germany (d. 1945)
• 1889 – Tonny Kessler, Dutch footballer (d. 1960)
• 1890 – Maurice Duplessis, Canadian lawyer and politician, 16th Premier of Quebec (d. 1959)
• 1890 – Adolf Schärf, Austrian soldier and politician, 6th President of Austria (d. 1965)
• 1891 – Dave Bancroft, American baseball player and manager (d. 1972)
• 1893 – Harold Lloyd, American actor, comedian, and producer (d. 1971)
• 1893 – Joan Miró, Spanish painter and sculptor (d. 1983)
• 1895 – Emile Christian, American trombonist and composer (d. 1973)
• 1895 – Henry de Montherlant, French essayist, novelist, and dramatist (d. 1972)
• 1896 – Wop May, Canadian captain and pilot (d. 1952)
• 1899 – Alan Arnett McLeod, Canadian lieutenant, Victoria Cross recipient (d. 1918)

1901–present

• 1904 – Bruce Cabot, American actor (d. 1972)
• 1907 – Miran Bakhsh, Pakistani cricketer (d. 1991)^[18]
• 1907 – Augoustinos Kantiotes, Greek bishop (d. 2010)
• 1908 – Lionel Hampton, American vibraphone player, pianist, bandleader, and actor (d. 2002)
• 1910 – Fatin Rüştü Zorlu, Turkish diplomat and politician (d. 1961)
• 1913 – Mimis Fotopoulos, Greek actor and poet (d. 1986)
• 1913 – Willi Hennig, German biologist and entomologist (d. 1976)
• 1914 – Betty Lou Gerson, American actress (d. 1999)
• 1915 – Joseph Wolpe, South African psychotherapist and physician (d. 1997)
• 1916 – Nasiba Zeynalova, Azerbaijani actress (d. 2004)
• 1918 – Kai Siegbahn, Swedish physicist and academic, Nobel Prize laureate (d. 2007)
• 1919 – Richard Hillary, Australian lieutenant and pilot (d. 1943)
• 1920 – Frances Ames, South African neurologist, psychiatrist, and human rights activist (d. 2002)
• 1920 – Clement Isong, Nigerian banker and politician, Governor of Cross River State (d. 2000)
• 1920 – John Paul Stevens, American lawyer and jurist, Associate Justice of the Supreme Court of the United States (d. 2019)
• 1923 – Mother Angelica, American nun and broadcaster, founded Eternal Word Television Network (d. 2016)^[19]
• 1923 – Irene Lieblich, Polish-American painter and illustrator (d. 2008)
• 1923 – Tito Puente, American drummer and producer (d. 2000)^[20]
• 1924 – Nina Foch, Dutch-American actress (d. 2008)^[21]
• 1924 – Leslie Phillips, English actor and producer (d. 2022)
• 1924 – Guy Rocher, Canadian sociologist and academic
• 1925 – Ernie Stautner, German-American football player and coach (d. 2006)
• 1925 – Elena Verdugo, American actress (d. 2017)
• 1927 – Bud Cullen, Canadian judge and politician, 1st Canadian Minister of Employment and Immigration (d. 2005)
• 1927 – Phil Hill, American race car driver (d. 2008)
• 1927 – K. Alex Müller, Swiss physicist and academic, Nobel Prize laureate (d. 2023)
• 1928 – Robert Byrne, American chess player and author (d. 2013)
• 1928 – Johnny Gavin, Irish international footballer (d. 2007)^[22]
• 1929 – Harry Agganis, American baseball and football player (d. 1955)
• 1929 – Bobby Hollander, American film director, actor, and magazine publisher (d. 2002)
• 1930 – Dwight Gustafson, American composer and conductor (d. 2014)
• 1930 – Antony Jay, English director and screenwriter (d. 2016)
• 1931 – Michael Allenby, 3rd Viscount Allenby, English lieutenant and politician (d. 2014)
• 1931 – John Eccles, 2nd Viscount Eccles, English businessman and politician
• 1932 – Myriam Bru, French actress
• 1933 – Kristaq Dhamo, Albanian actor and film director (d. 2022)
• 1936 – Lisa Davis, English-American actress
• 1936 – Pauli Ellefsen, Faroese technician, surveyor, and politician, 6th Prime Minister of the Faroe Islands (d. 2012)^[23]
• 1936 – Pat Roberts, American captain, journalist, and politician^[24]
• 1937 – Jiří Dienstbier, Czech journalist and politician, Czech Minister of Foreign Affairs (d. 2011)
• 1937 – Harvey Quaytman, American painter and educator (d. 2002)^[25]
• 1937 – George Takei, American actor^[26]
• 1938 – Betty Cuthbert, Australian sprinter (d. 2017)^[27]
• 1938 – Manfred Kinder, German runner^[28]
• 1938 – Eszter Tamási, Hungarian actress (d. 1991)
• 1939 – Peter S. Beagle, American author and screenwriter
• 1939 – Gro Harlem Brundtland, Norwegian physician and politician, 22nd Prime Minister of Norway
• 1939 – Johnny Tillotson, American singer-songwriter
• 1940 – James Gammon, American actor (d. 2010)^[29]
• 1941 – Ryan O'Neal, American actor
• 1943 – Alan Beith, English academic and politician
• 1943 – John Eliot Gardiner, English conductor and director
• 1944 – Toivo Aare, Estonian journalist and author (d. 1999)
• 1945 – Michael Brandon, American actor and director
• 1945 – Olga Karlatos, Greek actress and Bermudian lawyer
• 1945 – Thein Sein, Burmese general and politician, 8th President of Burma
• 1945 – Naftali Temu, Kenyan runner (d. 2003)
• 1945 – Steve Spurrier, American football player and coach^[30]
• 1946 – Sandro Chia, Italian painter and sculptor
• 1947 – Rita Dionne-Marsolais, Canadian economist and politician
• 1947 – Viktor Suvorov, Russian intelligence officer, historian, and author
• 1948 – Gregory Itzin, American actor (d. 2022)
• 1948 – Matthias Kuhle, German geographer and academic (d. 2015)
• 1949 – Veronica Cartwright, English-American actress
• 1949 – Toller Cranston, Canadian-Mexican figure skater and painter (d. 2015)
• 1949 – Massimo D'Alema, Italian journalist and politician, 76th Prime Minister of Italy
• 1949 – Jessica Lange, American actress
• 1950 – Steve Erickson, American author and critic
• 1950 – Alexander Lebed, Russian general and politician (d. 2002)
• 1950 – N. Chandrababu Naidu, Indian politician, 13th Chief Minister of Andhra Pradesh
• 1951 – Luther Vandross, American singer-songwriter and producer (d. 2005)
• 1952 – Louka Katseli, Greek economist and politician
• 1953 – Sebastian Faulks, English journalist and author
• 1955 – Donald Pettit, American engineer and astronaut
• 1955 – Svante Pääbo, Swedish geneticist and Nobel Laureate ^[31]
• 1956 – Beatrice Ask, Swedish politician, Swedish Minister for Justice^[32]
• 1956 – Peter Chelsom, English film director, writer, and actor
• 1956 – Kakha Bendukidze, Georgian economist and politician (d. 2014)
• 1958 – Viacheslav Fetisov, Russian ice hockey player and coach
• 1960 – Debbie Flintoff-King, Australian hurdler and coach^[33]
• 1961 – Don Mattingly, American baseball player, coach, and manager
• 1961 – Konstantin Lavronenko, Russian actor
• 1963 – Rachel Whiteread, English sculptor
• 1964 – John Carney, American football player^[34]
• 1964 – Crispin Glover, American actor and filmmaker^[35]
• 1964 – Andy Serkis, English actor and director
• 1964 – Rosalynn Sumners, American figure skater^[36]
• 1965 – Kostis Chatzidakis, Greek politician, Ministry of Economy, Infrastructure, Shipping and Tourism
• 1965 – Léa Fazer, Swiss film director, screenwriter and actress
• 1966 – David Chalmers, Australian philosopher and academic
• 1966 – David Filo, American businessman, co-founded Yahoo!
• 1967 – Mike Portnoy, American drummer and songwriter^[37]
• 1968 – Julia Morris, Australian entertainer
• 1969 – Felix Baumgartner, Austrian daredevil^[38]
• 1969 – Will Hodgman, Australian politician, 45th Premier of Tasmania^[39]
• 1970 – Shemar Moore, American actor^[40]
• 1971 – Allan Houston, American basketball player^[41]
• 1972 – Carmen Electra, American model and actress^[42]
• 1972 – Stephen Marley, Jamaican-American musician^[43]
• 1973 – Julie Powell, American food writer and memoirist (d. 2022)^[44]
• 1975 – Killer Mike, American rapper^[45]
• 1978 – Carl Greenidge, English cricketer^[46]
• 1980 – Emma Husar, Australian politician^[47]
• 1983 – Miranda Kerr, Australian model^[48]
• 1988 – Brandon Belt, American baseball player^[49]
• 1990 – Jason Behrendorff, Australian cricketer^[50]
• 1991 – Luke Kuechly, American football player^[51]
• 1997 – Alexander Zverev, German tennis player^[52]

Deaths

Pre-1600

• 689 – Cædwalla, king of Wessex (b. 659)^[53]
• 888 – Xi Zong, Chinese emperor (b. 862)
• 1099 – Peter Bartholomew (b. 1061)^[54]
• 1164 – Antipope Victor IV
• 1176 – Richard de Clare, 2nd Earl of Pembroke, English-Irish politician, Lord Chief Justice of Ireland (b. 1130)
• 1248 – Güyük Khan, Mongol ruler, 3rd Great Khan of the Mongol Empire (b. 1206)
• 1284 – Hōjō Tokimune, regent of Japan (b. 1251)
• 1314 – Pope Clement V (b. 1264)
• 1322 – Simon Rinalducci, Italian Augustinian friar
• 1502 – Mary of Looz-Heinsberg, Dutch noble (b. 1424)^{[55][56][57][58][59]}
• 1521 – Zhengde, Chinese emperor (b. 1491)
• 1534 – Elizabeth Barton, English nun and martyr (b. 1506)
• 1558 – Johannes Bugenhagen, German priest and theologian (b. 1485)

1601–1900

• 1643 – Christoph Demantius, German composer and poet (b. 1567)
• 1703 – Lancelot Addison, English clergyman and educator (b. 1632)
• 1769 – Chief Pontiac, American tribal leader (b. 1720)
• 1831 – John Abernethy, English surgeon and anatomist (b. 1764)
• 1873 – William Tite, English architect, designed the Royal Exchange (b. 1798)
• 1874 – Alexander H. Bailey, American lawyer, judge, and politician (b. 1817)
• 1881 – William Burges, English architect and designer (b. 1827)
• 1886 – Charles-François-Frédéric, marquis de Montholon-Sémonville, French general and diplomat, French ambassador to the United States (b. 1814)
• 1887 – Muhammad Sharif Pasha, Greek-Egyptian politician, 2nd Prime Minister of Egypt (b. 1826)
• 1899 – Joseph Wolf, German ornithologist and illustrator (b. 1820)

1901–present

• 1902 – Joaquim de Sousa Andrade, Brazilian poet and educator (b. 1833)
• 1912 – Bram Stoker, Anglo-Irish novelist and critic, created Count Dracula (b. 1847)
• 1918 – Karl Ferdinand Braun, German-American physicist and academic, Nobel Prize laureate (b. 1850)
• 1927 – Enrique Simonet, Spanish painter and educator (b. 1866)
• 1929 – Prince Henry of Prussia (b. 1862)
• 1931 – Sir Cosmo Duff-Gordon, 5th Baronet, Scottish-English fencer and businessman (b. 1862)
• 1932 – Giuseppe Peano, Italian mathematician and philosopher (b. 1858)
• 1935 – John Cameron, Scottish footballer and manager (b. 1872)
• 1935 – Lucy, Lady Duff-Gordon, English fashion designer (b. 1863)
• 1942 – Jüri Jaakson, Estonian businessman and politician, 6th State Elder of Estonia (b. 1870)
• 1944 – Elmer Gedeon, American baseball player and pilot (b. 1917)
• 1945 – Erwin Bumke, Polish-German jurist and politician (b. 1874)
• 1946 – Mae Busch, Australian actress (b. 1891)
• 1947 – Christian X of Denmark (b. 1870)
• 1951 – Ivanoe Bonomi, Italian politician, 25th Prime Minister of Italy (b. 1873)
• 1961 – Ado Vabbe, Estonian painter (b. 1892)
• 1967 – Léo-Paul Desrosiers, Canadian journalist and author (b. 1896)
• 1968 – Rudolph Dirks, German-American illustrator (b. 1877)
• 1969 – Vjekoslav Luburić, Croatian Ustaše official and concentration camp administrator (b. 1914)
• 1980 – M. Canagaratnam, Sri Lankan politician (b. 1924)
• 1982 – Archibald MacLeish, American poet, playwright, and lawyer (b. 1892)
• 1986 – Sibte Hassan, Pakistani journalist, scholar, and activist (b. 1916)
• 1991 – Steve Marriott, English singer-songwriter and producer (b. 1947)
• 1991 – Don Siegel, American director and producer (b. 1912)
• 1992 – Marjorie Gestring, American springboard diver (b. 1922)
• 1992 – Benny Hill, English comedian, actor, and screenwriter (b. 1924)
• 1993 – Cantinflas, Mexican actor, producer, and screenwriter (b. 1911)
• 1995 – Milovan Đilas, Yugoslav communist, politician, theorist and author (b. 1911)
• 1996 – Trần Văn Trà, Vietnamese general and politician (b. 1918)
• 1999 – Rick Rude, American professional wrestler (b. 1958)^[60][61]
• 2001 – Giuseppe Sinopoli, Italian conductor and composer (b. 1946)
• 2002 – Alan Dale, American singer (b. 1925)
• 2003 – Bernard Katz, German-English biophysicist and academic, Nobel Prize laureate (b. 1911)
• 2004 – Lizzy Mercier Descloux, French musician, singer-songwriter, composer, actress, writer and painter (b. 1956)
• 2005 – Fumio Niwa, Japanese journalist and author (b. 1904)
• 2007 – Andrew Hill, American pianist, composer, and bandleader (b. 1931)
• 2007 – Michael Fu Tieshan, Chinese bishop (b. 1931)
• 2008 – Monica Lovinescu, Romanian journalist and author (b. 1923)
• 2010 – Dorothy Height, American educator and activist (b. 1912)
• 2011 – Tim Hetherington, English photographer and journalist (b. 1970)
• 2012 – Bert Weedon, English guitarist and songwriter (b. 1920)^[62]
• 2014 – Neville Wran, Australian politician, 35th Premier of New South Wales (b. 1926)^[63]
• 2016 – Victoria Wood, British comedian, actress and writer (b. 1953)
• 2018 – Avicii, Swedish DJ and musician (b. 1989)^[64]
• 2021 – Idriss Déby, Chadian politician and military officer (b. 1952)^[65]
• 2021 – Monte Hellman, American film director (b.1929)^[66]
• 2021 – Les McKeown, Scottish pop singer (b. 1955)^[67]
• 2022 – Gavin Millar, Scottish film director (b. 1938)^[68]

Holidays and observances

• Christian feast day:
  • Agnes of Montepulciano^[69]
  • Beuno
  • Johannes Bugenhagen (Lutheran)
  • Theotimos
  • April 20 (Eastern Orthodox liturgics)
• 420 (cannabis culture)^[70][71]
• UN Chinese Language Day (United Nations)^[72]

References

1. Torgil Magnuson (2004). Urban Transformation of Medieval Rome, 312-1420. Swedish Institute in Rome. p. 121. ISBN 978-91-7042-167-9.
2. William Robison; Ronald H. Fritze (1996). Historical Dictionary of Stuart England, 1603-1689. Greenwood Press. p. 147. ISBN 9780313283918.
3. Manganiello, Stephen C (2004). The Concise Encyclopedia of the Revolutions and Wars of England, Scotland, and Ireland, 1639-1660. Scarecrow Press. p. 481. ISBN 978-0-8108-5100-9.
4. Quella-Villéger, Alain (2012). René Caillié, l'Africain: une vie d'explorateur, 1799–1838 (in French). Anglet, France: Aubéron. p. 95. ISBN 978-2-84498-137-0.
5. Pryor, Elizabeth Brown (Winter 2008). "Robert E. Lee's 'Severest Struggle'". American Heritage. Retrieved April 20, 2019.
6. Daniel, Clifton (1989). Chronicle of America. Chronicle publication. p. 364. ISBN 0-13-133745-9.
7. McCallum, Jack (2008). Military Medicine: From Ancient Times to the 21st Century. Santa Barbara, Calif.: ABC-CLIO. p. 306. ISBN 978-1-85109-693-0.
8. Cunneen, Chris (2001). The best ever Australian Sports Writing. Australia: Black Inc. p. 321. ISBN 1-86395-266-7. Retrieved 19 February 2011.
9. Rees, Jonathan (2013). "Ludlow Massacre". In Dubofsky, Melvyn (ed.). The Oxford Encyclopedia of American Business, Labor, and Economic History. Volume 1: Abra to Mutu. Oxford, UK: Oxford University Press. pp. 483–484. ISBN 978-0-19-999304-8.
10. Anthony F Heath; Sin Yi Cheung; Shawna N. Smith (25 October 2007). Unequal Chances: Ethnic Minorities in Western Labour Markets. OUP/British Academy. p. 512. ISBN 978-0-19-726386-0.
11. Ranter, Harro. "ASN Aircraft accident Boeing 707-344C ZS-EUW Windhoek-Strijdom International Airport (WDH)". aviation-safety.net. Aviation Safety Network. Retrieved 2022-04-19.
12. Ranter, Harro. "ASN Aircraft accident Boeing 727-230 HC-BSU Bogotá-Eldorado Airport (BOG)". aviation-safety.net. Aviation Safety Network. Retrieved 2019-04-17.
13. "Danica Patrick makes history with Indy Japan 300 win". CBC News. April 21, 2008. Archived from the original on January 6, 2018. Retrieved January 1, 2018.
14. Mark DeCambre (April 22, 2020). "About 150-years of oil-price history in one chart illustrates crude's spectacular plunge below $0 a barrel". Market Watch.
15. Allen, Jonathan; Layne, Nathan; Borter, Gabriella (April 21, 2021). "Minneapolis jury convicts ex-policeman Derek Chauvin of murdering George Floyd". Reuters. Retrieved April 25, 2022.
16. Joseph Whitaker (1993). An Almanack for the Year of Our Lord ... J. Whitaker. p. 14.
17. John Hill Wheeler (1966). Reminiscences and Memoirs of North Carolina and Eminent North Carolinians. Genealogical Publishing Com. p. 46. ISBN 978-0-8063-0375-8.
18. Miran Bakhsh, CricketArchive. Retrieved 13 April 2020. (subscription required)
19. Gale Group (2003). New Catholic Encyclopedia: Ead-Fre. Thomson/Gale. p. 379. ISBN 978-0-7876-4009-5.
20. Steven Joseph Loza (1999). Tito Puente and the Making of Latin Music. University of Illinois Press. p. 1. ISBN 978-0-252-06778-5.
21. Gerald Gardner; Jim Bellows (2007). 80: From Ben Bradlee to Lena Horne to Carl Reiner, Our Most Famous Eighty Year Olds Reveal Why They Never Felt So Young. Sourcebooks, Inc. p. 211. ISBN 978-1-4022-4823-8.
22. "Johnny Gavin". 11v11.com. Retrieved 6 April 2020.
23. Folketinget. J. H. Schultz bogtr. 1988. p. 125. ISBN 978-87-569-6636-8.
24. Cq Inc (March 1991). Who's Who in Congress, 1991-1992. Congressional Quarterly, Incorporated. p. 431. ISBN 978-0-87187-596-9.
25. Johnson, Ken (April 15, 2002). "Harvey Quaytman Obituary". The New York Times.
26. Guiyou Huang (2001). Asian American Autobiographers: A Bio-bibliographical Critical Sourcebook. Greenwood Publishing Group. p. 351. ISBN 978-0-313-31408-7.
27. Great Athletes: Olympic sports. Vol. 1, Kjetil Andre Aamodt-Laura Flessel-Colovic. Salem Press. 2010. p. 234. ISBN 978-1-58765-473-2.
28. . Olympic.org. Archived from the original on 2021-04-22.
29. Weber, Bruce (July 20, 2010). "James Gammon, Character Actor, Dies at 70". The New York Times.
30. "Steve Spurrier". Pro Football Reference. Retrieved 21 April 2020.
31. "Svante Pääbo Facts". nobelprize.org.
32. LastName, FirstName (2001). The international who's who of women 2002. London: Europa. p. 29. ISBN 9781857431223.
33. . Olympic.org. Archived from the original on 2021-04-22.
34. "John Carney Stats". Pro Football Reference. Retrieved November 13, 2022.
35. Zappia, Corina (9 November 2006). "Crispin Hellion Glover: The Interview". The Village Voice. Retrieved 10 April 2023.
36. Women's Sports. Women's Sports Publications. 1983. p. 21.
37. Lackowski, Rich (2008). On the beaten path : progressive rock: the drummer's guide to the genre and the legends who defined it. Van Nuys, CA: Alfred. p. 34. ISBN 9780739056714.
38. Spector, Dina (15 October 2012). "Felix Baumgartner's Future Plans Are A Far Cry From Space Jumping". Business Insider. Retrieved 10 April 2023.
39. "Hodgman William Edward Felix". Members of the Parliament of Tasmania. Retrieved 24 July 2022.
40. Thomas, Michael. "Shemar Moore Celebrates His Birthday - Check Out His Amazing Photos Here!". Soap Opera News. Retrieved 2021-06-15.
41. "Allan Houston". National Basketball Association. Retrieved 10 April 2023.
42. . Biography.com. The Biography Channel. Archived from the original on November 15, 2018. Retrieved April 17, 2017.
43. Martoccio, Angie (20 April 2021). "Stephen Marley Celebrates Birthday, 4/20 With Livestream Concert". Rolling Stone. Retrieved 10 April 2023.
44. Severson, Kim; Moskin, Julia (November 1, 2022). "Julie Powell, Food Writer Known for 'Julie & Julia,' Dies at 49". The New York Times. Retrieved November 1, 2022.
45. Madden, Sidney (20 April 2015). "Happy Birthday, Killer Mike!". XXL. Retrieved 10 April 2023.
46. https://www.cricketarchive.com/Archive/Players/7/7410/7410.html CricketArchive
47. "Ms Emma Husar MP". Senators and Members of the Parliament of Australia. Retrieved 2021-11-07.
48. Christmass, Pip (29 March 2023). "Miranda Kerr fans stunned over key detail in celebration: 'Is it a joke?'". Seven News. Retrieved 10 April 2023.
49. "Brandon Belt". Major League Baseball. Retrieved 10 April 2023.
50. Jason Behrendorff profile – ESPNCricinfo. Retrieved 9 August 2011.
51. "Luke Kuechly". ESPN. Retrieved 10 April 2023.
52. "Alexander Zverev". ESPN. Retrieved 10 April 2023.
53. Richard Barber (December 1992). Arthurian Literature VI. Boydell & Brewer Ltd. p. 44. ISBN 978-0-85991-226-6.
54. Raimond (d'Aguilers.) (1968). Historia Francorum qui ceperunt Iherusalem. American Philosophical Society. p. 108.
55. Lück, Alfred (1981) [1967]. Siegerland und Nederland (in German) (2nd ed.). Siegen: Siegerländer Heimatverein e.V. p. 25.
56. Schutte, O. (1979). "Genealogische gegevens". In: Tamse, C.A. (red.), Nassau en Oranje in de Nederlandse geschiedenis (in Dutch). Alphen aan den Rijn: A.W. Sijthoff. p. 41. ISBN 90-218-2447-7.
57. Dek, A.W.E. (1970). Genealogie van het Vorstenhuis Nassau (in Dutch). Zaltbommel: Europese Bibliotheek. p. 69.
58. Blok, P.J. (1911). "Johan IV". In: Molhuysen, P.C. en Blok, P.J. (redactie), Nieuw Nederlandsch Biografisch Woordenboek (in Dutch). Vol. Eerste deel. Leiden: A.W. Sijthoff. p. 1219.
59. Vorsterman van Oyen, A.A. (1882). Het vorstenhuis Oranje-Nassau. Van de vroegste tijden tot heden (in Dutch). Leiden: A.W. Sijthoff/Utrecht: J.L. Beijers. p. 93.
60. "Rick Rude dies". Slam Wrestling. 1999-04-21. Retrieved 2021-06-15.
61. "Rick Rude announced as sixth inductee into WWE Hall of Fame's 2017 class". CBS Sports. 2017-03-06. from the original on 2017-03-07. Retrieved 2021-06-15.
62. "Bert Weedon obituary". The Guardian. 20 April 2012. Retrieved 21 August 2020.
63. "Neville Wran dead aged 87". The Sydney Morning Herald. 20 April 2014. Retrieved 20 April 2014.
64. Aswad, Jem (2018-04-20). "Avicii Dies at 28". Variety. Retrieved 2021-04-20.
65. "Chad President Idriss Deby dies on front lines, says army spokesman". Reuters. 20 April 2021. Retrieved 20 April 2021.
66. "Stars we've lost in 2021". EW.com. Retrieved 2021-04-22.
67. "Les McKeown obituary". The Guardian. 2021-04-23. Retrieved 2021-04-26.
68. "Gavin Millar obituary". The Guardian. 2022-04-28. Retrieved 2022-05-01.
69. Cooper, J. C. (2013). Dictionary of Christianity. Abingdon, Oxon. p. 4. ISBN 9781315074047.
70. King, Matt (April 24, 2007). . Santa Cruz Sentinel. Archived from the original on April 26, 2007.
71. McCoy, Terrence (2014-04-18). "The strange story of how the pot holiday '4/20' got its name". The Washington Post. Retrieved 2020-04-18.
72. "International Days". New York: United Nations. 6 January 2015. Retrieved 2 January 2021.

External links

 

Wikimedia Commons has media related to April 20.

• BBC: On This Day
• The New York Times: On This Day
• Historical Events on April 20