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...

1773: American Patriots Carry Out Boston Tea Party

On Dec. 16, 1773, members of the Sons of Liberty boarded British ships in Boston Harbor and destroyed their cargo of tea, taking another...

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...

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...

1979: Nuclear Meltdown Occurs at Three Mile Island

On March 28, 1979, the Three Mile Island nuclear power plant experienced a partial meltdown. It was the worst-ever commercial nuclear accident in American history. Meltdown...

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...

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...

1978: Aldo Moro Kidnapped by the Italian Red Brigades

On March 16, 1978, former Italian Prime Minister Aldo Moro was kidnapped by a left-wing extremist group; he was killed 55 days later when...

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,...

1911: Triangle Shirtwaist Factory Fire Kills 146

On March 25, 1911, a fire at New York City’s crowded, unsafe Triangle Shirtwaist Factory killed 146 workers. Public outrage over the incident galvanized...