- The Eastern and Western Roman Empire were reunited under the Constantine Dynasty (324-364 CE) and consisted of six Emperors.
- Constantine I was the first Christian Roman Emperor.
The Constantinians
- Constantius I Chlorus (305-306 CE)
- Constantine I (324-37 CE)
- Constantine II (337-40 CE)
- Constans (337-50 CE)
- Constantius II (337-61 CE)
- Julian (361-63 CE)
The Roman Imperial Dynasties
- Julio-Claudian Dynasty (27 BCE-68 CE)
- Flavian Dynasty (69-96 CE)
- Nervo-Trajanic Dynasty (96-138 CE)
- Antonine Dynasty (138-192 CE)
- Severan Dynasty (193-246 CE)
- Constantine Dynasty (324-264 CE)
- Valentinian Dynasty (364-395 CE)
- Theodosian Dynasty (379-457 CE)
See Also
- Illyrian Emperors
- Emperors born in or near Sirmium (Sremska Mitrovica, Serbia).
- Soldier Emperors
- 33 Emperors in 50 years, nearly all the result of a succession of military coups during the Crisis of the Third Century (235-284 CE).