1960: South African Police Open Fire on Crowd in Sharpeville Massacre

On March 21, 1960, South African police fired into a crowd of black protesters who had surrounded a police station in Sharpeville, killing 69...

1974: Heiress Patty Hearst Kidnapped

On February 4, 1974, members of the Symbionese Liberation Army kidnapped Patty Hearst, 19, granddaughter of newspaper mogul William Randolph Hearst. After months of...

1964: Muhammad Ali Wins Heavyweight Title

On February 25, 1964, 22-year-old Cassius Clay became the world heavyweight boxing champion, defeating Sonny Liston in an upset. “I Shook Up the World” Muhammad Ali,...

1970: Jury Convicts Five of Chicago Seven

On February 18, 1970, five members of the “Chicago Seven” were found guilty of inciting riots at the 1968 Democratic Convention. Trial Illustrates Cultural Divide...

1937: Gas Leak Causes New London School Explosion

On March 18, 1937, the worst school disaster in American history occurred when a gas explosion killed nearly 300 schoolchildren in Texas. Gas Explosion Destroys...

1868: President Andrew Johnson Impeached

On February 24, 1868, Andrew Johnson became the first U.S. president to be impeached; the Senate subsequently acquitted him by a single vote. House Impeaches...

Eurotunnel Connects Britain and France

On Dec. 1, 1990, British and French construction workers joined the two halves of the Eurotunnel, physically linking Britain and France for the first...

1960: Earthquake Kills Thousands in Morocco

On February 29, 1960, a magnitude 5.7 earthquake struck Agadir, Morocco. The 15-second event killed thousands and leveled parts of the city. It was a...

On This Day: United States Drops Atomic Bomb on Hiroshima

On Aug. 6, 1945, U.S. war plane Enola Gay dropped “Little Boy,” a 8,900-pound atomic bomb, on Hiroshima, Japan. Within eight days, Japan surrendered,...

1952: British WWII Code Breaker Alan Turing Goes on Trial for Homosexuality

On March 31, 1952, Alan Turing, computer technology pioneer and breaker of the Nazi Enigma code, was put on trial for homosexual acts. Found...