December 31st (1225) was a Wednesday. It's the 365th day of the year (366th in leap years) in the Gregorian calendar. There are 0 days left to the end of the year.
Historical Events for 31st December, 1225
» The Lý Dynasty of Vietnam ends after 216 years by the enthronement of the boy emperor Trần Thái Tông, husband of the last Lý monarch, Lý Chiêu Hoàng, starting the Trần Dynasty.
December 31st Holidays in History
» Christian Calendar of saints called Feast Day:
» Pope Sylvester I (Catholic Church)
» December 31 (Eastern Orthodox liturgics)
» Public holidays in Azerbaijan named International Solidarity Day (Azerbaijan)