1983: Reagan Delivers “Star Wars” Speech

On March 23, 1983, President Ronald Reagan proposed the development of the Strategic Defense Initiative (SDI), a space and ground-based defense system to intercept...

1898: USS Maine Explodes in Havana Harbor

On February 15, 1898, the U.S. battleship Maine blew up in Havana Harbor, escalating tensions with Spain and contributing to the outbreak of the...

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...

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...

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...

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...

USSR established -1922

In post-revolutionary Russia, the Union of Soviet Socialist Republics (USSR) is established, comprising a confederation of Russia, Belorussia, Ukraine, and the Transcaucasian Federation (divided...

On This Day: Bodies of Three Civil Rights Workers Discovered in Mississippi

On Aug. 4, 1964, the bodies of missing civil rights volunteers Michael Schwerner, James Chaney and Andrew Goodman were discovered in a dam outside...

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...