July 16 – History, Events, Births, Deaths, Holidays and Observances On This Day

July 16 in history 622 – The beginning of the Islamic calendar. 997 – Battle of Spercheios: Bulgarian forces of Tsar Samuel are defeated by a Byzantine army under general Nikephoros Ouranos at the Spercheios River in Greece. 1054 – Three Roman legates break relations between Western and Eastern Christian Churches through the act of placing an invalidly-issued Papal bull of Excommunication on…

May 20 – History, Events, Births, Deaths, Holidays and Observances On This Day

May 20 in History 325 – The First Council of Nicaea is formally opened, starting the first ecumenical council of the Christian Church. 491 – Empress Ariadne marries Anastasius I. The widowed Augusta is able to choose her successor for the Byzantine throne, after Zeno (late emperor) dies of dysentery. 685 – The Battle of Dun Nechtain is…

February 19 – History, Events, Births, Deaths, Holidays and Observances On This Day

February 19 in History 197 – Emperor Septimius Severus defeats usurper Clodius Albinus in the Battle of Lugdunum, the bloodiest battle between Roman armies. 356 – Emperor Constantius II issues a decree closing all pagan temples in the Roman Empire. 1594 – Having already been elected to the throne of the Polish–Lithuanian Commonwealth in 1587, Sigismund III of…