1917
Politics
Finland Declares Independence
Finland declared independence from Russia, taking advantage of the chaos following the Russian Revolution. December 6 is celebrated as Finland's Independence Day.
On This Day in History
1865
Politics
13th Amendment Ratified
The Thirteenth Amendment to the US Constitution was ratified, permanently abolishing slavery throughout the United States. The amendment fulfilled Lincoln's Emancipation Proclamation with constitutional force.
1907
Disaster
Monongah Mining Disaster
An explosion at the Monongah mines in West Virginia killed 362 miners in the worst mining disaster in American history. The tragedy led to the creation of the Bureau of Mines.
1877
Culture
Washington Post First Published
The first edition of The Washington Post was published with 10,000 copies. The newspaper would become one of America's most influential publications, known for breaking the Watergate scandal.
1989
Disaster
Montreal Massacre
A gunman killed 14 women at the École Polytechnique in Montreal, targeting female engineering students. The tragedy led to stricter gun control in Canada and December 6 became a national day of remembrance.
1921
Politics
Anglo-Irish Treaty Signed
Britain and Irish representatives signed the Anglo-Irish Treaty, creating the Irish Free State. The treaty ended the Irish War of Independence but led to a brief civil war over its terms.
343
Religion
Saint Nicholas Dies
According to tradition, Saint Nicholas of Myra died on this date. The legendary gift-giver became the inspiration for Santa Claus and his feast day is celebrated in many European countries.