| Reign |
Name |
(born – died) |
Notes |
| 27 BC – 14 AD |
Augustus |
(c. 63 BC – 14 AD) |
Julio-Claudian |
| 14 – 37 |
Tiberius |
(c. 42 BC – 37 AD) |
Julio-Claudian |
| 37 – 41 |
Gaius (Caligula) |
(c. 12 – 41) |
Julio-Claudian |
| 41 – 54 |
Claudius |
(c. 10 BC – 54 AD) |
Julio-Claudian |
| 54 – 68 |
Nero |
(c. 37 – 68) |
Julio-Claudian |
| 68 – 69 |
Galba |
(3 BC – 69 AD) |
Year of the 4 Emperors |
| 69 |
Otho |
(c. 32 – 69) |
Year of the 4 Emperors |
| 69 |
Vitellius |
(c. 15 – 69) |
Year of the 4 Emperors |
| 69 – 79 |
Vespasian |
(c. 9 – 79) |
Year of the 4 Emperors / Flavian |
| 79 – 81 |
Titus |
(c. 39 – 79) |
Flavian |
| 81 – 96 |
Domitian |
(c. 51 – 96) |
Flavian |
| 96 – 98 |
Nerva |
(c.30 – 98) |
Adoptive (5 Good Emperors) |
| 98 – 117 |
Trajan |
(c. 53 – 117) |
Adoptive (5 Good Emperors) |
| 117 – 138 |
Hadrian |
(c. 76 – 138) |
Adoptive (5 Good Emperors) |
| 138 – 161 |
Antoninus Pius |
(c. 86 – 161) |
Adoptive / Antonine (5 Good Emperors) |
| 161 – 180 |
Marcus Aurelius |
(c. 121 – 180) |
Adoptive / Antonine (5 Good Emperors) |
| 161 – 169 |
Lucius Verus |
(c. 130 – 169) |
Adoptive / Antonine (co-emperor) D20 |
| 180 – 192 |
Commodus |
(c. 161 – 192) |
Adoptive / Antonine |
| 193 |
Pertinax |
(c. 126 – 193) |
|
| 193 |
Didius Julianus |
(c. 133 – 193) |
|
| 193 – 211 |
Septimius Severus |
(c. 145 – 211) |
Severan |
| 193 – 195 |
Pescennius Niger |
(c. [135 - 140?] – 195) |
Emperor in Syria |
| 195 – 197 |
Clodius Albinus |
(c. [140 -150?] – 197) |
Emperor in Britain |
| 211 – 217 |
Caracalla |
(c. 188 – 217) |
Severan |
| 211 |
Geta |
(c. 189 – 211) |
Severan |
| 217 – 218 |
Macrinus |
(c. 165 – 218) |
|
| 218 – 222 |
Elagabalus |
(c. 204 -222) |
Severan |
| 222 – 235 |
Severus Alexander |
(c. 208 – 235) |
Severan |
| 235 – 238 |
Maximus I |
(c. 173? – 238) |
also called Maximus Thrax |
| 238 |
Gordian I |
(c. 159 – 238) |
|
| 238 |
Gordian II |
(c. 192 – 238) |
|
| 238 |
Balbinus |
(c.170? – 238) |
|
| 238 |
Pupienus |
(c. 175? – 238) |
|
| 238 – 244 |
Gordian III |
(c. 225 – 244) |
|
| 244 – 249 |
Philip I |
(c. 204 – 249) |
(the Arab) |
| 249 – 251 |
Trajanus Decius |
(c. 190 – 251) |
|
| 251 – 253 |
Trebonianus Gallus |
(c. 206 – 253) |
|
| 253 |
Aemilian |
(c. 207? – 253) |
|
| 253 – 260 |
Valerian |
(c. 200? – 260) |
|
| 253 – 268 |
Gallienus |
(c. 218 – 268) |
|
| Gallic Empire |
| 260 – 268 |
Postumus |
(c. ? – 268) |
Gallic Emperor |
| 269 |
Laelianus |
(c. ? – 269) |
Gallic Emperor |
| 269 |
Marius |
(c. ? – 269) |
Gallic Emperor |
| 269 – 271 |
Victorinus |
(c. ? – 271) |
Gallic Emperor |
| 271 – 274 |
Tetricus |
(c. ? – 274) |
Gallic Emperor |
| End of Gallic Empire |
| 268 – 270 |
Claudius II Gothicus |
(c. 214 – 270) |
|
| 270 |
Quintillus |
(c. ? – 270) |
|
| 270 – 275 |
Aurelian |
(c. 214 – 275) |
|
| 275 – 276 |
Tacitus |
(c. ? – 276) |
|
| 276 |
Florianus |
(c.? – 276) |
|
| 276 – 282 |
Probus |
(c. 232 – 282) |
|
| 282 – 283 |
Carus |
(c. 230? – 283) |
|
| 283 – 285 |
Carinus |
(c. ? – 285) |
co-emperor with Numerianus |
| 283 – 284 |
Numerianus |
(c. ? – 284) |
co-emperor with Carinus |
| 284 – 305 |
Diocletian |
(c. 240? – 305) |
co-emperor with Maximian / House of Constantine |
| 286 – 305 |
Maximianus |
(c. ? – 308) |
co-emperor with Diocletian / House of Constantine |
| 307 – 308 |
Maximianus |
(c. ? – 308) |
House of Constantine |
| Britannic Empire |
| 286 – 293 |
Carausius |
(c. ? – 293) |
Emperor in Britannia |
| 293 – 297 |
Allectus |
(c. ? – 297) |
Emperor in Britannia |
| End of Britannic Empire |
| 305 – 306 |
Constantius I Chlorus |
(c. 250? – 306) |
House of Constantine |
| 305 – 311 |
Galerius |
(c. 250? -311) |
House of Constantine |
| 306 – 307 |
Severus II |
(c. ? – 307) |
co-emperor with Galerius |
| 306 – 312 |
Maxentius |
(c. 279 – 312) |
House of Constantine |
| 306 – 337 |
Constantine I The Great |
(c. 285 – 337) |
House of Constantine |
| 308 – 324 |
Licinius |
(c. 250 – 325) |
|
| 337 – 340 |
Constantine II |
(c. 317 – 340) |
House of Constantine |
| 337 – 361 |
Constantius II |
(c. 321 – 361) |
House of Constantine |
| 337 – 350 |
Constans I |
(c. 323 – 350) |
House of Constantine |
| 350 – 353 |
Magnentius |
(c. 303 – 353) |
|
| 361 – 363 |
Julian I the Apostate |
(c. 332 – 363) |
House of Constantine |
| 363 – 364 |
Jovian |
(c. 330 – 364) |
|
| Split of the Empire – Western Empire |
| 364 – 375 |
Valentinian I |
(c. 321 – 375) |
House of Valentinian, emperor in the west |
| 367 – 383 |
Gratian |
(c. 359 – 383) |
House of Valentinian, emperor in the west |
| 375 – 392 |
Valentinian II |
(c. 371 – 392) |
House of Valentinian, emperor in the west |
| 379 – 395 |
Theodosius I The Great |
(c. 347 – 395) |
Theodosian Dynasty / joint emperor in the west, emperor in the east |
| 383 – 388 |
Magnus Maximus |
(c. 335 – 388) |
Rival in the west |
| 392 – 394 |
Eugenius |
(c. ? – 394) |
Usurper in the west |
| 395 – 423 |
Honorius |
(c. 384 – 423) |
Theodosian Dynasty |
| 423 – 425 |
Johannes |
(c. ? – 425) |
|
| 425 – 455 |
Valentinian III |
(c. 419 – 455) |
Theodosian Dynasty |
| 455 |
Petronius Maximus |
(c. 396 – 455) |
|
| 455 – 456 |
Avitus |
(c. 395 – 456) |
|
| 457 – 461 |
Majorian |
(c. ? – 461) |
|
| 461 – 465 |
Libius Severus |
(c. 461 – 465) |
|
| 467 – 472 |
Anthemius |
(c. 420 – 472) |
|
| 472 |
Olybrius |
(c. ? – 472) |
|
| 473 – 474 |
Glycerius |
(c. ? – 474) |
|
| 474 – 475 |
Julius Nepos |
(c. ? – 480) |
Emperor in the West until 475 |
| 475 – 476 |
Romulus Augustulus |
(c. ? – ?) |
|
| 477 – 480 |
Julius Nepos |
(c. ? – 480) |
Emperor in Dalmatia 477 – 480 |
| Split of the Empire – Eastern Empire |
| 364 – 378 |
Valens |
(c. 328 – 378) |
House of Valentinian, emperor in the east |
| 365 – 366 |
Procopius |
(c. ? – 366) |
usurper to Valens |
| 379 – 395 |
Theodosius I The Great |
(c. 347 – 395) |
Theodosian Dynasty / joint emperor in the west, emperor in the east |
| 395 – 408 |
Arcadius |
(c. 377 – 408) |
Theodosian Dynasty |
| 408 – 450 |
Theodosius II |
(c. 401 – 450) |
Theodosian Dynasty |
| 450 – 457 |
Marcian |
(c. 392 – 457) |
Theodosian Dynasty |
| 457 – 474 |
Leo I The Great |
(c. 401 – 474) |
|
| 474 |
Leo II |
(c. 467 – 474) |
|
| 474 – 475 |
Zeno |
(c. ? – 491) |
|
| 475 – 476 |
Basiliscus |
(c. ? – 476) |
Rival to Zeno |
| 476 – 491 |
Zeno |
(c. ? – 491) |
|
| 491 – 518 |
Anastasius |
(c. 430 – 518) |
|