Johann Georg Palitzsch sighted the return of Halley’s Comet.
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George Washington crossed Delaware, in which he surprised and defeated 1,400 Hessians.
Christmas was celebrated in Rome, marking the first time in recorded history that the holiday was celebrated.
The Wolf of Wall Street, starring Leonardo DiCaprio and Jonah Hill, was released.
Cassini orbiter released the Huygens probe, which successfully landed on Saturn's moon Titan.
The Santa Maria sunk.