The Year of Four Emperors, so the ancient sources assure us, was one of the most chaotic, violent, and frightening periods in all Roman history. It was a time of assassinations and civil war, of armies so out of control that they had no qualms about occupying the city of Rome, and of ambitious men who ruthlessly seized power only to have it wrenched from their grasps.
In 69 AD, Gwyn Morgan offers a fresh look at this period, based on two considerations to which insufficient attention has been paid in the past. First, that we need to unravel rather than cherry-pick between the conflicting...