Events By Place Roman Empire March 5 — Emperor Julian moves from Antioch with an army of 90,000 against the Sassanid Empire. Perisapora's destroyed by Julian. May 29 — Battle of Ctesiphon: Julian arrives under the walls of the Sassanid capital and defeats the Sassanid army of Shapur II of Persia, but's unable to put the city under siege. June 16 — The Roman army starts its retreat from the Sassanid Empire, suffering attacks from the Sassanid forces. June 26 — Julia… (More on 363)