Commodus. M. Perennis, 247
Extravagance and cruelty of Commodus, 248
Murder of Commodus, 249
_Pertinax_, 249
_Didius Julianus_, one of the prætorians, aims at the sovereignty, 249
Clodius Albinus, 250
_Septimus Severus_, 250
War of Pescennius Niger, 252
Victory over Clodius Albinus, 253
War against the Parthians, 253
M. Bassianus Antoninus Caracalla, 254
Julia Domna, 254
Changes in the administration of Italy, 255
_Correctores_, 255