Title: Bellum civile inter principes
Subjects: Emperors, Biography, History, Politics and government, Burgeroorlogen
Places: Rome
People: Pescennius Niger Emperor of Rome (135-194), Lucius Septimius Severus Emperor of Rome (146-211), Didius Julianus Emperor of Rome (137-193)
Time periods: Empire, 30 B.C.-284 A.D., 30 B.C.-284 A.D.