363 Roman Emperor Julian defeated the Sassanid army in the
Battle of Ctesiphon, under the walls of the Sassanid capital, but was unable to
take the city.
1167 Battle of Monte Porzio – A Roman army supporting Pope
Alexander III was defeated by Christian of Buch and Rainald of Dassel.
Battle of Legnano: The Lombard League defeated Emperor Frederick I.
Christopher I of Denmark died.
1414 Council of Constance.
1453 The Roman Empire
in the east (Byzantine Empire) came to an end as Ottoman sultan Mehmet II
1660 Charles II arrived in London from exile in the
Netherlands to reclaim his throne. Charles II was also born on this day.