Today in History, English
Today in History, English

45481April 20Event1775 – American Revolutionary War: The Siege of Boston begins, following the battles at Lexington and Concord.
45482April 20Event1789 – George Washington arrives at Grays Ferry, Philadelphia while en route to Manhattan for his inauguration
45483April 20Event1792 – France declares war against the "King of Hungary and Bohemia", the beginning of French Revolutionary Wars.
45484April 20Event1800 – The Septinsular Republic is established.
45485April 20Event1809 – 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.
45486April 20Event1810 – The Governor of Caracas declares independence from Spain.
45487April 20Event1818 – 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.
45488April 20Event1828 – René Caillié becomes the first non-Muslim to enter Timbuktu.
45489April 20Event1836 – U.S. Congress passes an act creating the Wisconsin Territory.
45490April 20Event1861 – 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.
45491April 20Event1862 – Louis Pasteur and Claude Bernard complete the experiment falsifying the theory of spontaneous generation.
45492April 20Event1865 – Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion.
45493April 20Event1871 – The Civil Rights Act of 1871 becomes law.
45494April 20Event1876 – The April Uprising begins. Its suppression shocks European opinion, and Bulgarian independence becomes a condition for ending the Russo-Turkish War.
45495April 20Event1884 – Pope Leo XIII publishes the encyclical Humanum genus.
45496April 20Event1902 – Pierre and Marie Curie refine radium chloride.
45497April 20Event1908 – Opening day of competition in the New South Wales Rugby League.
45498April 20Event1912 – Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
45499April 20Event1914 – Nineteen men, women, and children die in the Ludlow Massacre during a Colorado coal-miner's strike.
45500April 20Event1916 – The Chicago Cubs play their first game at Weeghman Park (currently Wrigley Field), defeating the Cincinnati Reds 7–6 in 11 innings.
45501April 20Event1918 – 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.
45502April 20Event1922 – The Soviet government creates South Ossetian Autonomous Oblast within Georgian SSR.
45503April 20Event1926 – Western Electric and Warner Bros. announce Vitaphone, a process to add sound to film.
45504April 20Event1939 – Adolf Hitler's 50th birthday is celebrated as a national holiday in Nazi Germany.
45505April 20Event1939 – Billie Holiday records the first civil rights song "Strange Fruit".
45506April 20Event1945 – World War II: US troops capture Leipzig, Germany, only to later cede the city to the Soviet Union.
45507April 20Event1945 – World War II: Führerbunker: Adolf Hitler makes his last trip to the surface to award Iron Crosses to boy soldiers of the Hitler Youth.
45508April 20Event1945 – Twenty Jewish children used in medical experiments at Neuengamme are killed in the basement of the Bullenhuser Damm school.
45509April 20Event1946 – The League of Nations officially dissolves, giving most of its power to the United Nations.
45510April 20Event1951 – Dan Gavriliu performs the first surgical replacement of a human organ.

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