April 8 events in history

217 Roman Emperor Caracalla is assassinated. He is succeeded by his Praetorian Guard prefect, Marcus Opellius Macrinus
632 King Charibert II is assassinated at Blaye (Gironde)—possibly on orders of his half-brother Dagobert I—along with his infant son Chilperic. He claims Aquitaine and Gascony, becoming the most powerful Merovingian king in the West
876 The Battle of Dayr al-'Aqul saves Baghdad from the Saffarids
1093 The new Winchester Cathedral is dedicated by Walkelin
1139 Roger II of Sicily is excommunicated
1149 Pope Eugene III takes refuge in the castle of Ptolemy II of Tusculum
1232 Mongol–Jin War: The Mongols begin their siege on Kaifeng, the capital of the Jin Dynasty
1271 In Syria, sultan Baybars conquers the Krak of Chevaliers
1730 Shearith Israel, the first synagogue in New York City, is dedicated
1740 War of Jenkins' Ear: Three British ships capture the Spanish third-rate HMS Princess
1808 The Roman Catholic Diocese of Baltimore is promoted to an archdiocese, with the founding of the dioceses of New York, Philadelphia, Boston, and Bardstown (now Louisville) by Pope Pius VII
1820 The Venus de Milo is discovered on the Aegean island of Melos
1832 Black Hawk War: Around three-hundred United States 6th Infantry troops leave St. Louis, Missouri to fight the Sauk Native Americans
1864 American Civil War: Battle of Mansfield – Union forces are thwarted by the Confederate army at Mansfield, Louisiana
1866 Italy and Prussia ally against the Austrian Empire
1886 William Ewart Gladstone introduces the first Irish Home Rule Bill into the British House of Commons
1895 In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional
1904 The French Third Republic and the United Kingdom of Great Britain and Ireland sign the Entente cordiale
1904 British mystic Aleister Crowley transcribes the first chapter of The Book of the Law
1904 Longacre Square in Midtown Manhattan is renamed Times Square after The New York Times
1906 Auguste Deter, the first person to be diagnosed with Alzheimer's disease, dies
1908 Harvard University votes to establish the Harvard Business School
1911 Dutch physicist Heike Kamerlingh Onnes discovers superconductivity
1913 The 17th Amendment to the United States Constitution, requiring direct election of Senators, becomes law
1916 In Corona, California, race car driver Bob Burman crashes, killing three, and badly injuring five, spectators
1918 World War I: Actors Douglas Fairbanks and Charlie Chaplin sell war bonds on the streets of New York City's financial district
1924 Sharia courts are abolished in Turkey, as part of Atatürk's Reforms
1929 Indian Independence Movement: At the Delhi Central Assembly, Bhagat Singh and Batukeshwar Dutt throw handouts and bombs to court arrest
1935 The Works Progress Administration is formed when the Emergency Relief Appropriation Act of 1935 becomes law
1942 World War II: Siege of Leningrad – Soviet forces open a much-needed railway link to Leningrad
1942 World War II: The Japanese take Bataan in the Philippines
1943 U.S. President Franklin D. Roosevelt, in an attempt to check inflation, freezes wages and prices, prohibits workers from changing jobs unless the war effort would be aided thereby, and bars rate increases by common carriers and public utilities
1945 World War II: After an air raid accidentally destroys a train carrying about 4,000 Nazi concentration camp internees in Prussian Hanover, the survivors are massacred by Nazis
1946 Électricité de France, the world's largest utility company, is formed as a result of the nationalisation of a number of electricity producers, transporters and distributors
1950 India and Pakistan sign the Liaquat-Nehru Pact
1952 U.S. President Harry Truman calls for the seizure of all domestic steel mills to prevent a nationwide strike
1953 Mau Mau leader Jomo Kenyatta is convicted by Kenya's British rulers
1954 A Royal Canadian Air Force Canadair Harvard collides with a Trans-Canada Airlines Canadair North Star over Moose Jaw, Saskatchewan, killing 37 people
1954 South African Airways Flight 201 A de Havilland DH.106 Comet 1 crashes into the sea during night killing 21 people
1959 A team of computer manufacturers, users, and university people led by Grace Hopper meets to discuss the creation of a new programming language that would be called COBOL
1959 The Organization of American States drafts an agreement to create the Inter-American Development Bank
1960 The Netherlands and West Germany sign an agreement to negotiate the return of German land annexed by the Dutch in return for 280 million German marks as Wiedergutmachung
1961 A large explosion on board the MV Dara in the Persian Gulf kills 238
1964 Gemini 1 (unamanned test flight) launched
1968 BOAC Flight 712 catches fire shortly after take off. As a result of her actions in the accident, Barbara Jane Harrison is awarded a posthumous George Cross, the only GC awarded to a woman in peacetime
1970 Bahr el-Baqar incident: Israeli bombers strike an Egyptian school. 46 children are killed
1974 At Atlanta-Fulton County Stadium, Hank Aaron hits his 715th career home run to surpass Babe Ruth's 39-year-old record
1975 Frank Robinson manages the Cleveland Indians in his first game as major league baseball's first African American manager
1987 Los Angeles Dodgers executive Al Campanis resigns amid controversy over racially charged remarks he had made while on Nightline
1992 Retired tennis great Arthur Ashe announces that he has AIDS, acquired from blood transfusions during one of his two heart surgeries