German armies took Allied forces by surprise in the Ardennes, marking the beginning of the Battle of the Bulge.
Source
Mariah Carey's single 'All I Want for Christmas Is You' reached number one, 25 years after its release.
The Boston Tea Party protest occurred.
A five-day pollution red alert was declared in Beijing and 21 other Chinese cities.
The mayor of Flint, Michigan, declared a state of emergency over contaminated water.
Vasco da Gama became the first European to sail along Africa's East Coast.
