[{"n": "Tetrarchy", "u": "/e/tetrarchy/tetrarchy/", "s": "The Roman system of four rulers instituted by Diocletian, lasting from AD 293 to 324."}, {"n": "Allectus", "u": "/e/tetrarchy/allectus/", "s": "Usurper who ruled Britain and northern Gaul from 293 to 296."}, {"n": "Bassianus (executed by Constantine)", "u": "/e/tetrarchy/bassianus-executed-by-constantine/", "s": "Roman senator executed by Constantine after conspiracy accusation in 314 AD."}, {"n": "Candidianus (son of Galerius)", "u": "/e/tetrarchy/candidianus-son-of-galerius/", "s": "Son of Galerius, adopted by Galeria Valeria, executed by Licinius."}, {"n": "Carausius", "u": "/e/tetrarchy/carausius/", "s": "Usurper who ruled Britain and northern Gaul for seven years."}, {"n": "Centres of governance in the Roman Empire", "u": "/e/tetrarchy/centres-of-governance-in-the-roman-empire/", "s": "Governance followed the emperor, not a fixed capital."}, {"n": "Civil wars of the Tetrarchy", "u": "/e/tetrarchy/civil-wars-of-the-tetrarchy/", "s": "Conflicts that dismantled Diocletian's tetrarchic system."}, {"n": "Conference of Carnuntum", "u": "/e/tetrarchy/conference-of-carnuntum/", "s": "Roman conference to stabilize the Tetrarchy in 308."}, {"n": "Constantine II (emperor)", "u": "/e/tetrarchy/constantine-ii-emperor/", "s": "Roman emperor who died invading his brother's territory."}, {"n": "Constantius Chlorus", "u": "/e/tetrarchy/constantius-chlorus/", "s": "Roman emperor and father of Constantine the Great."}, {"n": "Crispus", "u": "/e/tetrarchy/crispus/", "s": "Eldest son of Constantine I, caesar, and executed by his father."}, {"n": "Galerius", "u": "/e/tetrarchy/galerius/", "s": "Roman emperor who defeated Persia and ended Christian persecution."}, {"n": "Constantius Gallus", "u": "/e/tetrarchy/constantius-gallus/", "s": "Caesar of the East under Constantius II, executed for disloyalty."}, {"n": "Julian of Pannonia", "u": "/e/tetrarchy/julian-of-pannonia/", "s": "Roman usurper who rebelled against Carinus or Maximian."}, {"n": "Licinius", "u": "/e/tetrarchy/licinius/", "s": "Roman emperor who co-authored the Edict of Milan."}, {"n": "Licinius II", "u": "/e/tetrarchy/licinius-ii/", "s": "Son of Licinius I, caesar, and victim of dynastic purge."}, {"n": "Martinian (emperor)", "u": "/e/tetrarchy/martinian-emperor/", "s": "Briefly Roman co-emperor under Licinius, executed after abdication."}, {"n": "Maxentius", "u": "/e/tetrarchy/maxentius/", "s": "Roman emperor from 306 to 312, last to reside permanently in Rome."}, {"n": "Maximian", "u": "/e/tetrarchy/maximian/", "s": "Co-emperor with Diocletian; military strongman who twice abdicated."}, {"n": "Maximinus Daza", "u": "/e/tetrarchy/maximinus-daza/", "s": "Roman emperor and last pagan pharaoh of Egypt."}, {"n": "Portrait of the Four Tetrarchs", "u": "/e/tetrarchy/portrait-of-the-four-tetrarchs/", "s": "Porphyry sculpture of four Roman emperors from around 300 AD."}, {"n": "Severus II", "u": "/e/tetrarchy/severus-ii/", "s": "Roman emperor of the Tetrarchy, killed by usurper Maxentius."}, {"n": "Valerius Valens", "u": "/e/tetrarchy/valerius-valens/", "s": "Brief Roman emperor elevated by Licinius and executed after peace."}]