Other historical events that took place on December 25:
800 - Charlemagne is crowned Holy Roman Emperor by Leo III.
1066 - William the Conqueror is crowned England’s first Norman king after victories at the Battle of Hastings and elsewhere.
1137 - Saladin, Sultan of Egypt and Syria and hero of the Crusades, is born.
1642 - Sir Isaac Newton is born.
1745 - Chevalier de Saint-George, the “black Mozart”, is born.
1776 - George Washington and Continental Army troops cross the Delaware to launch a surprise attack against Hessian forces.
1868 - President Johnson grants unconditional pardon to all former Confederate soldiers.
1899 - Humphrey Bogart is born.
1926 - Hirohito ascends the throne as Emperor of Japan following the death of his father, Emperor Taishō.
1941 - the Japanese occupation of Hong Kong begins.
1989 - Nicolae Ceaușescu, Romanian Communist dictator, is executed.