This book is the first modern scholarly monograph on the emperor Jovian (363–364). It offers a new assessment of his reign and argues that Jovian’s reign was of more importance than assumed by most (ancient and modern) historians. This study argues that Jovian restored the Roman Empire after the failed reign of Julian by returning to the policies of Constantius II and Constantine the Great. Jovian’s general strategies were directed to getting the Roman Empire back on its feet militarily, administratively, and religiously after the failed reign of his predecessor Julian (361–363), as well as to establish more peaceful relations with the Sassanid Empire. For an emperor who ruled only eight months, Jovian had an unexpected and surprising after...