Chronicle of the Emperors
The Chronology of the Roman Emperors until the Fall of Rome in AD 476.
Later emperors (for example Constantius) are placed on the chronology on becoming Augusti, not on their being appointed Caesares.
Augustus: 27 BC- AD14
Tiberius: 14 AD – 37AD
Caligula: 37 AD – 41 AD
Claudius: 41AD – 54 AD
Nero: 54 AD – 68AD
Galba: 68 AD – 69AD
Otho: 69 AD
Vitellius: 69 AD
Vespasian: 69 AD – 79 AD
Titus: 79 AD – 81 AD
Domitian: 81 AD – 96 AD
Nerva: 96 AD – 98 AD
Trajan: 98 AD – 117 AD
Hadrian: 117 AD – 138 AD
Antoninus Pius: 138 AD – 161 AD
Marcus Aurelius: 161 AD – 180 AD
Lucius Verus: 161 AD – 169 AD
Commodus: 180 AD – 192AD
Pertinax: 193 AD
Didius Julianus: 193 AD
Niger, Albinus, Septimius Severus
Septimius Severus: 193 AD – 211 AD
Caracalla: 211 AD – 217 AD
Geta: 211 AD
Macrinus: 217 AD – 218 AD
Elagabalus: 218 AD – 222 AD
Alexander Severus: 222 AD – 235 AD
Maximinus Thrax: 235 AD – 238 AD
Gordian, Gordian II: 238 AD
Phillippus Arabs: 244 AD – 249 AD
Decius: 249 AD – 251 AD
Trebonianus Gallus: 251 AD – 253 AD
Aemilius Aemilianus: 253 AD
Valerian: 253 AD – 260 AD
Gallienus: 253 AD – 268 AD
Claudius II: 268 AD – 270 AD
Quintillus: 270 AD
Aurelian: 270 AD – 275 AD
The Gallic Empire follows death of Valerian
Postumus: 260 AD – 269 AD
Laelianus: 269 AD
Marius: 269 AD
Victorinus: 269 AD – 271 AD
Domitianus: 271 AD
Tetricus: 271 AD – 274
Tacitus: 275 AD – 276 AD
Florianus: 276 AD
Probus: 276 AD – 282 AD
Carus: 282 AD – 283 AD
Numerian: 283 AD – 284 AD
Carinus: 283 AD – 285 AD
Diocletian: 284-286 (splits empire, rules east)
Western Empire after split by Diocletian
Maximian: 286 AD – 305 AD
Constantius I: 305 AD – 306 AD
Severus II: 306 AD – 307 AD
Constantine: 307 AD – 337 AD
Maxentius: 306 AD – 312 AD
Maximian returned: 307 AD – 308 AD
Eastern Empire after split by Diocletian
Diocletian: 286 AD – 305 AD
Galerius: 305 AD – 311 AD
Maximinus Daia: 310 AD – 313 AD
Licinius: 308 AD – 324 AD
Re-United Empire reunited by Constantine’s defeat of Licinius
Constantine II: 337 AD – 340 AD
Constans: 337 AD – 350 AD
Constantius II: 337 AD – 361 AD
Julian: 360 AD – 363 AD
Jovian: 363 AD – 364 AD
Western Empire follows death of Jovian
Valentinian: 364 AD – 375 AD
Gratian: 367 AD – 383 AD
Valentinian II: 375 AD – 392 AD
Eugenius: 392 AD – 394 AD
Honorius: 395 AD – 423 AD
John: 423 AD – 425 AD
Valentinian III: 425 AD – 455 AD
Petronius Maximus: 455 AD
Avitus: 455 AD – 456 AD
Majorian: 457-461
Severus III: 461-465
Anthemius: 467 AD – 472 AD
Alybrius: 472 AD
Glycerius: 473 AD – 474 AD
Julius Nepos: 474-475
Romulus Augustus: 475 AD – 476 AD
Eastern Empire follows death of Jovian
Valens: 364 AD – 378 AD
Theodosius: 379 AD – 395 AD
Arcadius: 395 AD – 408 AD
Theodosius II: 408 AD – 450 AD
Marcian: 450 AD – 457 AD
Leo: 457 AD – 474 AD
Zeno: 474 AD – 476 AD