Roman Emperors - Roman Empire

List of the 53 Roman Emperors from Augustus (-27) to Romulus Augustulus (476), with dynasty and reign dates.

Sovereigns
53
Longest reign
41 years
Augustus
Houses & dynasties
11

Chronological list

Julio-Claudians 27 BC – 68 · 5 sovereigns

  1. 27 BC – 14
    Augustus 41 years
  2. 14–37
    Tiberius 23 years
  3. 37–41
    Caligula 4 years
  4. 41–54
    Claudius 13 years
  5. 54–68
    Nero 14 years

Year of the Four Emperors 68–69 · 3 sovereigns

  1. 68–69
    Galba 1 year
  2. 69–69
    Otho less than a year
  3. 69–69
    Vitellius less than a year

Flavians 69–96 · 3 sovereigns

  1. 69–79
    Vespasian 10 years
  2. 79–81
    Titus 2 years
  3. 81–96
    Domitian 15 years

Antonines 96–192 · 6 sovereigns

  1. 96–98
    Nerva 2 years
  2. 98–117
    Trajan 19 years
  3. 117–138
    Hadrian 21 years
  4. 138–161
    Antoninus Pius 23 years
  5. 161–180
    Marcus Aurelius 19 years
  6. 177–192
    Commodus 15 years

Severans 193–235 · 6 sovereigns

  1. 193–193
    Pertinax less than a year
  2. 193–211
    Septimius Severus 18 years
  3. 211–217
    Caracalla 6 years
  4. 217–218
    Macrinus 1 year
  5. 218–222
    Elagabalus 4 years
  6. 222–235
    Severus Alexander 13 years

Crisis of the Third Century 235–282 · 11 sovereigns

  1. 235–238
    Maximinus Thrax 3 years
  2. 238–244
    Gordian III 6 years
  3. 244–249
    Philip the Arab 5 years
  4. 249–251
    Decius 2 years
  5. 251–253
    Trebonianus Gallus 2 years
  6. 253–260
    Valerian 7 years
  7. 260–268
    Gallienus 8 years
  8. 268–270
    Claudius Gothicus 2 years
  9. 270–275
    Aurelian 5 years
  10. 275–276
    Tacitus 1 year
  11. 276–282
    Probus 6 years

Tetrarchy 284–305 · 1 sovereign

  1. 284–305
    Diocletian 21 years

Constantinians 306–363 · 3 sovereigns

  1. 306–337
    Constantine I 31 years
  2. 337–361
    Constantius II 24 years
  3. 361–363
    Julian 2 years

Valentinians 364–392 · 3 sovereigns

  1. 364–375
    Valentinian I 11 years
  2. 375–383
    Gratian 8 years
  3. 375–392
    Valentinian II 17 years

Theodosians 379–395 · 1 sovereign

  1. 379–395
    Theodosius I 16 years

Last emperors 395–476 · 11 sovereigns

  1. 395–423
    Honorius 28 years
  2. 425–455
    Valentinian III 30 years
  3. 455–455
    Petronius Maximus less than a year
  4. 455–456
    Avitus 1 year
  5. 457–461
    Majorian 4 years
  6. 461–465
    Libius Severus 4 years
  7. 467–472
    Anthemius 5 years
  8. 472–472
    Olybrius less than a year
  9. 473–474
    Glycerius 1 year
  10. 474–475
    Julius Nepos 1 year
  11. 475–476
    Romulus Augustulus 1 year