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,...
1954: Puerto Rican Nationalists Launch Assault on U.S. Congress
On March 1, 1954, Puerto Rican nationalists opened fire on the House of Representatives, injuring five congressmen.
Nationalists Attack Congress
Three members of the Puerto Rico...
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...
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...
1857: Supreme Court Rules Against Dred Scott
On March 6, 1857, the Supreme Court ruled against Dred Scott, a slave who sued for freedom after spending time in free territory. The...
1839: Dueling Outlawed in DC
On February 20, 1839, Congress passed legislation barring the practice of dueling in the District of Columbia.
Fatal Duel Between Congressmen Prompts Ban
The passage of...
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...
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...
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...
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...










