Jan 01 In the year 0001 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 in the year 0001.
Dec 25 Christmas, according to calendar-maker Dionysus Exiguus on this day in history.
Important Dates And Events In History - Hisdates.Com