Equal parts secret service, special forces and urban administrators, Rome’s Praetorian Guard was one of the ancient world’s most prestigious military units. These handpicked soldiers are most famous for serving as the sworn bodyguard of the Roman ruler, but they were also used as a Jack-of-all-trades force in the service of the Empire. Guardsmen fought alongside the legions on campaign, put down uprisings, pacified rioters and served as security at gladiator shows and chariot races. As their influence grew, they also played a pivotal role in the intrigue and double-crossing that blighted imperial Rome. Explore eight facts about the men-at-arms who protected—and sometimes murdered—the Roman emperor.
More interesting tidbits on the History Channel website.