This was a time of civil war, anarchy, intrigue, and assassination. Between 193 and 284 the Roman Empire knew more than twenty-five emperors, and an equal number of usurpers. All of them had some measure of success, several of them often ruling different parts of the Empire at the same time. Rome's traditional political institutions slid into vacuity and armies became the Empire's most powerful institutions, proclaiming their own imperial champions and deposing those they held to be incompetent. Yet despite widespread contemporary dismay at such weak government this period was also one in which