Jan 01 On this day in history origin of Christian Era
Mar 25 Origin of Dionysian Incarnation of the Word in the year 0001.
Dec 25 1st Christmas, according to calendar-maker Dionysus Exiguus on this day in history.
Dec 25 In the year 0001 christmas, according to calendar-maker Dionysus Exiguus
Important Dates And Events In History - Hisdates.Com