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...

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...

1962: Cuban Missile Crisis Begins

On Oct. 14, 1962, a United States spy plane spotted missile bases under construction in Cuba, touching off the two-week Cuban Missile Crisis. Two Weeks...

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...

1980: United States Beats USSR in “Miracle on Ice”

On February 22, 1980, the underdog U.S. hockey team beat the powerful Soviet team in a thrilling upset at the Lake Placid Olympics. USA 4,...

1887: First Groundhog Day Celebrated in Punxsutawney

On February 2, 1887, Punxsutawney, Pennsylvania, celebrated the first official Groundhog Day, a holiday with roots in ancient traditions. The Origins of Groundhog Day On February...

1933: Arsonist Torches the Reichstag

On February 27, 1933, the Reichstag building in Berlin was burned down by a Dutch communist, possibly with the assistance of Nazi officials. The...

1920: 19th Amendment Gives Women Right to Vote

On Aug. 18, 1920, the 19th Amendment was ratified after decades of struggle by women’s rights advocates, bringing a successful end to the U.S....

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...