After Julian was mortally wounded and died while retreating from Persia, the soldiers made Jovian emperor. To ensure his own safety, Jovian negotiated a disgraceful peace with the Sassanians, giving up five Roman provinces and the cities Nisibis and Singara. Enroute to back to Constantinople, Jovian was found dead in his tent, suffocated by carbon monoxide fumes from a charcoal brazier. During his short reign, Jovian reestablished Christianity as the state church, ending Julian's brief pagan revival.