Hagia Sophia Mar 11 Icon veneration officially re-instated in Hagia Sophia Cathedral in Constantinople Hagia Sophia in Istanbul, Turkey Jun 24 Vikings sail up the Loire with 67 ships and destroy Frankish-held city of Nantes Aug 10 Treaty of Verdun: Brothers Lotharius I, Louis the German & Charles the Bald divide France 842 AD Historical Events by Year 845 AD Medieval Popes Gregory I Gregory XIII Julius II Julius III Leo X Pius V
Hagia SophiaHagia Sophia
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V