Roman Monarchs
A history of Roman monarchs, duarchs, triarchs, and tetrarchs.
Contents
Julio-Claudian Dynasty
Year of the 4 Emperors
Flavian Dynasty
Nerva-Antonine Dynasty
Year of the 5 Emperors
Severan Dynasty
Crisis of the Third Century
Tetrarchy
Diocletian divided the imperial government into a tetrarchy. East and west had independent emperors (augustus) and heirs apparent (caesar).
Eastern Emperor |
Reign |
284 - 305 |
|
... |
|
Western Emperor |
Reign |
Maximian |
286 - 305 |
... |
|
Constantinian Dynasty
Constantine usurped the western imperial title in 306. By 324, he had unified the empire under his personal rule and ended the tetrarchy.
Emperor |
Reign |
306 - 337 |
|
... |
|
Valentinianic Dynasty
Theodosian Dynasty
Theodosius I died in 395. His elder son Arcadius became emperor of the east and his younger son Honorius became emperor of the west. Succession from Arcadius is found under the Byzantine Empire.
The dynasty endured several usurpers. Most notably, Priscus Attalus in 409-410 and Joannes in the interregnum of 423-425.
Emperor |
Reign |
Theodosius I |
377 - 395 |
Honorius |
395 - 423 |
Valentinian III |
425 - 455 |