Galileo Galilei arrived in Rome for his trial before the Roman Inquisition.
He was eventually placed under house arrest.
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Christmas was celebrated in Rome, marking the first time in recorded history that the holiday was celebrated.
The Roman Inquisition ordered Galileo not to teach or defend his theory that Earth and other planets revolve around the sun.
The Catholic Church forces Galileo Galilei to renounce his heliocentric world view.
Galileo Galilei discovered Callisto, the fourth moon of Jupiter.
Terrorists attacked Rome's Leonardo da Vinci–Fiumicino International Airport, leaving thirty dead.