 Constantius II was unable to respond; the campaign of Julian in 363 ended with his death in battle.His army elected Jovian as the new emperor, and to rescue his army, he was forced to surrender Nisibis to Persia (also in 363) and to permit the expulsion of the entire Christian population.Ephrem, with the others, went first to Amida (Diyarbakır), eventually settling in Edessa (modern Şanlıurfa) in 363.