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...

1971: Charles Manson and Followers Sentenced to Death

On March 29, 1971, a jury sentenced Charles Manson and three members of his “Family” to death for murdering actress Sharon Tate and seven...

1972: Nixon Leaves for China

On February 17, 1972, President Richard Nixon embarked on a diplomatic mission to normalize relations with the People’s Republic of China. Meeting Sets Stage for...

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,...

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...

1989: Exxon Valdez Wreck Causes Massive Oil Spill

On March 24, 1989, the oil tanker Exxon Valdez struck a reef in Alaska’s Prince William Sound, causing 11 million gallons of oil to...

1633: Galileo Faces Inquisition

On February 13, 1633, Galileo arrived in Rome to be tried for promoting Copernican theories, such as the revolutionary idea that the Earth orbits...

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...