Death of Pope Saint Celestine I, 43rd successor of Peter who served for ten years, calling the Third Ecumenical Council which condemned the followers of Nestorius, the Patriarch of Constantinople. It was Celestine who sent Saint Patrick to Ireland.
Death of Saints Aurelius and Natalia.
Death of Saint Clement Slovenski from Okhrida, first Slav to become bishop. He founded a monastery and is considered one of the Seven Apostles of Bulgaria.
Death of Pope Nicholas II, 155th successor of Peter, is remembered for calling the a synod at Rome which forbade the investiture of bishops without papal authorization, a real sticking point with the feudal lords and emperors during that era, It was also Nicholas who decided that the election of the Pope should be reserved to Cardinal-bishops and Cardinal priests only.
The Holy Roman Emperor Frederick II of the House of Hohenstaufen is condemned and deposed by the Council of Lyons during the reign of Pope Innocent IV.
Polish Astronomer Nicholas Copernicus is installed as a Canon of the Frauenberg Cathedral with the blessing of Pope Alexander VI.
Death of Blessed Mary Magdalen Martinengo, a former countess of Borco who gave up all to become a Poor Clare nun and devote her life to God as a chosen mystic who followed a life of vigorous penance.