Tetrarchy
23 entries in the Tetrarchy compendium.
TetrarchyRoman system of four co-emperors instituted by Diocletian.AllectusUsurper who ruled Britain and northern Gaul from 293 to 296.Bassianus (executed by Constantine)Roman senator executed by Constantine after conspiracy accusation in 314 AD.Candidianus (son of Galerius)Son of Galerius, adopted heir, executed by Licinius.CarausiusUsurper who ruled Britain and northern Gaul for seven years.Centres of governance in the Roman EmpireGovernance followed the emperor, not a fixed capital.Civil wars of the TetrarchyConflicts that dismantled Diocletian's tetrarchic system.Conference of CarnuntumRoman conference to stabilize the Tetrarchy in 308.Constantine II (emperor)Roman emperor who died invading his brother's territory.Constantius ChlorusRoman emperor and father of Constantine the Great.CrispusEldest son of Constantine I, caesar, and executed by his father.GaleriusRoman emperor who defeated Persia and ended Christian persecution.Constantius GallusCaesar of the East under Constantius II, executed for disloyalty.Julian of PannoniaRoman usurper who rebelled against Carinus or Maximian.LiciniusRoman emperor who co-authored the Edict of Milan.Licinius IISon of Licinius I, caesar, and victim of dynastic purge.Martinian (emperor)Briefly Roman co-emperor under Licinius, executed after abdication.MaxentiusRoman emperor from 306 to 312, last to reside permanently in Rome.MaximianCo-emperor with Diocletian; military strongman who twice abdicated.Maximinus DazaRoman emperor and last pagan pharaoh of Egypt.Portrait of the Four TetrarchsPorphyry sculpture of four Roman emperors from around 300 AD.Severus IIRoman emperor of the Tetrarchy, killed by usurper Maxentius.Valerius ValensBrief Roman emperor elevated by Licinius and executed after peace.
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