The Tetrarchy

Date in power from: AD 284
Date in power until: AD 313

Associated Emperors

• Diocletian [AD 284 - AD 305]
• Maximian [AD 286 - AD 310]
• Constantius Chlorus [AD 293 - AD 306]
• Galeria Valeria [AD 308 - AD 311]
• Galerius [AD 293 - AD 311]
• Licinius [AD 308 - AD 324]
• Licinius II [AD 317 - AD 324]
• Sextus Martinianus [AD 324 - AD 324]
• Maxentius [AD 306 - AD 312]
• Maximinus Daia [AD 305 - AD 313]
• Valerius Romulus [AD 309 - AD 309]
• Severus [AD 305 - AD 307]