It happened today – this day in history – December 25
352: The first definite date Christmas was celebrated on this day. 597: England adopts the Julian calendar. 800: Pope Leo
Read more352: The first definite date Christmas was celebrated on this day. 597: England adopts the Julian calendar. 800: Pope Leo
Read more12AD: Birth of Caligula, third emperor of Rome. 1422: Henry VI becomes King of England at the age of nine
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