Christmas was celebrated in Rome, marking the first time in recorded history that the holiday was celebrated.
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Paul McCartney and actress Jane Asher announced their engagement.
The Wolf of Wall Street, starring Leonardo DiCaprio and Jonah Hill, was released.
The James Webb Space Telescope was launched from the Guiana Space Center.
The show trial of Romanian Communist dictator Nicolae Ceaușescu occurred.
Cassini orbiter released the Huygens probe, which successfully landed on Saturn's moon Titan.