Christmas was celebrated in Rome, marking the first time in recorded history that the holiday was celebrated.
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Cassini orbiter released the Huygens probe, which successfully landed on Saturn's moon Titan.
The Wolf of Wall Street, starring Leonardo DiCaprio and Jonah Hill, was released.
William the Conqueror was crowned king of England at Westminster Abbey, London.
George Washington crossed Delaware, in which he surprised and defeated 1,400 Hessians.
Mikhail Gorbachev resigned from his position as Prime Minister of the Soviet Union.
