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,...

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...

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...

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...

44 B.C.: Julius Caesar Assassinated

On March 15, 44 B.C., Julius Caesar was assassinated by a group of senators hoping to restore the Roman republic. Caesar Murdered on the Ides...

1923: King Tut’s Tomb Unsealed

On February 16, 1923, King Tutankhamen’s tomb was unsealed and entered by an excavation team led by British archaeologist Howard Carter and financial backer...

1990: Nelson Mandela Released From Prison

On February 11, 1990, South African President Frederik Willem de Klerk freed anti-apartheid activist Nelson Mandela. Mandela had spent 27 years in prison. Mandela Goes...

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...

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...