Mar 05   Roman Emperor Julian moves from Antioch with an army of 90000 to attack the Sassanid Empire, in a campaign which would bring about his own death   

May 29   Roman Emperor Julian defeats the Sassanid army in the Battle of Ctesiphon, under the walls of the Sassanid capital, but is unable to take the city.   

Jun 26   Flavius C Julianus, [Apostata], emperor of Rome (361-63), dies   

Jun 26   Roman Emperor Julian is killed during the retreat from the Sassanid Empire. General Jovian is proclaimed Emperor by the troops on the battlefield   

Jun 26   Flavius c julianus: [apostata], emperor of rome (361-63),