Pope Hilarius became the Bishop of Rome.
He continued his position until his death on February 29, 468.
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Pope Paul VI declared the prohibition of birth control.
Galileo Galilei arrived in Rome for his trial before the Roman Inquisition.
Benedetto Odescalchi was elected as Pope Innocent XI.
Argentina canonized its first female saint, Saint María Antonia de Paz y Figueroa.
Christmas was celebrated in Rome, marking the first time in recorded history that the holiday was celebrated.