March 18 – History, Events, Births, Deaths, Holidays and Observances On This Day

March 18 in History 1068 – An earthquake in the Levant and the Arabian Peninsula, leaves up to 20,000 dead. 1229 – Frederick II, Holy Roman Emperor, declares himself King of Jerusalem in the Sixth Crusade. 1241 – First Mongol invasion of Poland: Mongols overwhelm Polish armies in Kraków in the Battle of Chmielnik and plunder the city. 1314 – Jacques de Molay,…

February 27 – History, Events, Births, Deaths, Holidays and Observances On This Day

February 27 in History 380 – Edict of Thessalonica: Emperor Theodosius I and his co-emperors Gratian and Valentinian II declare their wish that all Roman citizens convert to Nicene Christianity. 425 – The University of Constantinople is founded by Emperor Theodosius II at the urging of his wife Aelia Eudocia. 907 – Abaoji, a Khitan chieftain, is enthroned…