(Latin, cohors praetoria ) Household troops of the Roman emperors.
In the 2nd century BC they were bodyguards for Roman generals, their name taken from the general's tent ( praetorium ). During the civil wars military leaders had personal bodyguards, but in 27 BC Augustus created a permanent corps to guard the emperor and stationed its members around Rome. In AD 23, with Claudius (41), the disorders of 68–69, the lynching of Domitian 's murderers (97), and the murder of Elagabalus (222). Constantine I disbanded the Praetorian Guard in 312.