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: a time of assassinations and civil wars, of armies so out of control that they had no qualms about occupying the city of Rome, and of ambitious men who seized power only to lose it, one after another.
In 69 AD, Gwyn Morgan offers a fresh look at this period, based on two considerations to which insufficient...