The chaotic events of A.D. 395-400 marked a momentous turning point for the Roman Empire and its relationship to the barbarian peoples under and beyond its command. In this masterly study, Alan Cameron and Jacqueline Long propose a complete rewriting of received wisdom concerning the social and political history of these years. Our knowledge of the period comes to us in part through Synesius of Cyrene, who recorded his view of events in his De...