1587: Mary, Queen of Scots Beheaded

On February 8, 1587, Mary I of Scotland was beheaded for her alleged role in a conspiracy against her cousin Queen Elizabeth I of...

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...

1972: Congress Passes Equal Rights Amendment

On March 22, 1972, the Senate approved the Equal Rights Amendment, which banned discrimination on the basis of sex. The amendment fell three states...

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...

1836: Santa Anna Launches Siege on the Alamo

On February 23, 1836, Mexican General Santa Anna began a siege against nearly 200 Texan rebels stationed inside the Alamo. He launched an assault...

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,...

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...

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...

1970: Rhodesia Declares Itself a Republic

On March 2, 1970, Prime Minister Ian Smith severed Rhodesia’s remaining ties with Britain in an attempt to protect white minority rule. It would...

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...