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