1887: First Groundhog Day Celebrated in Punxsutawney

On February 2, 1887, Punxsutawney, Pennsylvania, celebrated the first official Groundhog Day, a holiday with roots in ancient traditions. The Origins of Groundhog Day On February...

1995: Aum Shinrikyo Cult Releases Nerve Gas on Tokyo Subway

On March 20, 1995, members of the Aum Shinrikyo cult released poisonous sarin gas on five Tokyo subway trains, killing 12 and injuring thousands. Poisonous...

1960: Greensboro Lunch Counter Sit-ins Begin

On February 1, 1960, four black college students refused to leave a lunch counter where they were denied service, sparking a wave of sit-in...

1997: Bodies of Heaven’s Gate Cult Members Discovered After Mass Suicide

On March 26, 1997, police found the bodies of 39 Heaven’s Gate members who had committed suicide believing that the Hale-Bopp comet was a...

1977: 583 Killed as 747s Collide on Tenerife Runway

On March 27, 1977, two 747 airliners collided on a runway in the Canary Island of Tenerife, killing 583 people, more than any plane...

1820: The “Mayflower of Liberia” Sets Sail

On February 6, 1820, a ship of freed black slaves set sail from New York for the coast of West Africa, where they would...

1917: Russia’s February Revolution Begins

On March 8, 1917, the female factory workers of Petrograd began striking and rioting in response to food shortages and government oppression. Other Petrograd...

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,...

1770: British Soldiers Kill 5 in “Boston Massacre”

On March 5, 1770, British soldiers stationed in Boston fired on a crowd of hecklers, killing five and wounding others. British Soldiers Open Fire on...

1937: President Roosevelt Proposes “Court-Packing” Plan

On February 5, 1937, President Franklin D. Roosevelt presented Congress with legislation intended to manufacture Supreme Court approval for his New Deal. “Court-Packing” Bill Fails...