December 5, 1933
The 21st Amendment to the US Constitution was ratified, ending the ban on the legal sale and importation of alcohol that had been introduced in 1919 by the 18th Amendment.
December 6, 1865
The 13th Amendment to the United States Constitution was ratified, formally ending slavery in the United States.
December 7, 1941
Imperial Japan attacked the American naval base at Pearl Harbor in Hawaii.
December 19, 1998
A divided US House of Representatives voted to impeach President Bill Clinton on charges of lying under oath to a federal grand jury and obstructing justice in the Monica Lewinsky affair.
December 23, 1997
Terry Nichols was found guilty of conspiracy and involuntary manslaughter for assisting Timothy McVeigh in bombing the Alfred P. Murrah Federal Building in Oklahoma City. He was later sentenced to life in prison.
December 28, 1945
Congress officially recognized the Pledge of Allegiance and encouraged its recitation in schools.
On December 31, 1970
Paul McCartney filed suit in London to dissolve the Beatles' artistic and commercial partnership.