Roman Emperors until Diocletian

Augustus

27 BC–14 AD | Julio-Claudian Dynasty

Tiberius

14–37 AD | Julio-Claudian Dynasty

Caligula

37–41 AD | Julio-Claudian Dynasty

Claudius

41–54 AD | Julio-Claudian Dynasty

Nero

54–68 AD | Julio-Claudian Dynasty

Galba

68–69 AD | Year of the Four Emperors

Otho

69 AD | Year of the Four Emperors

Vitellius

69 AD | Year of the Four Emperors

Vespasian

69–79 AD | Flavian Dynasty, Year of the Four Emperors

Titus

79–81 AD | Flavian Dynasty

Domitian

81–96 AD | Flavian Dynasty

Nerva

96–98 AD | Nerva-Antonine Dynasty, Five Good Emperors

Trajan

98–117 AD | Nerva-Antonine Dynasty, Five Good Emperors

Hadrian

117–138 AD | Nerva-Antonine Dynasty, Five Good Emperors

Antoninus Pius

138–161 AD | Nerva-Antonine Dynasty, Five Good Emperors

Marcus Aurelius

161–180 AD | Nerva-Antonine Dynasty, Five Good Emperors

Lucius Verus

161–169 AD | Nerva-Antonine Dynasty, Five Good Emperors

Commodus

180–192 AD | Nerva-Antonine Dynasty

Pertinax

193 AD | Year of the Five Emperors

Didius Julianus

193 AD | Year of the Five Emperors

Pescennius Niger

193–194 AD | Year of the Five Emperors

Clodius Albinus

193–197 AD | Year of the Five Emperors

Septimius Severus

193–211 AD | Severan Dynasty, Year of the Five Emperors

Caracalla

198–217 AD | Severan Dynasty

Geta

209–211 AD | Severan Dynasty

Macrinus

217–218 AD | Severan Dynasty

Diadumenian

218 AD | Severan Dynasty

Elagabalus

218–222 AD | Severan Dynasty

Severus Alexander

222–235 AD | Severan Dynasty

Maximinus Thrax

235–238 AD | Crisis of the Third Century

Gordian I

238 AD | Crisis of the Third Century, Year of the Six Emperors

Gordian II

238 AD | Crisis of the Third Century, Year of the Six Emperors

Pupienus

238 AD | Crisis of the Third Century, Year of the Six Emperors

Balbinus

238 AD | Crisis of the Third Century, Year of the Six Emperors

Gordian III

238–244 AD | Crisis of the Third Century, Year of the Six Emperors

Philip the Arab

244–249 AD | Crisis of the Third Century

Decius

249–251 AD | Crisis of the Third Century

Herennius Etruscus

251 AD | Crisis of the Third Century

Hostilian

251 AD | Crisis of the Third Century

Trebonianus Gallus

251–253 AD | Crisis of the Third Century

Volusianus

251–253 AD | Crisis of the Third Century

Aemilian

253 AD | Crisis of the Third Century

Valerian

253–260 AD | Crisis of the Third Century

Gallienus

253–268 AD | Crisis of the Third Century

Claudius Gothicus

268–270 AD | Crisis of the Third Century, Illyrian Emperors

Quintillus

270 AD | Crisis of the Third Century, Illyrian Emperors

Aurelian

270–275 AD | Crisis of the Third Century, Illyrian Emperors

Tacitus

275–276 AD | Crisis of the Third Century

Florianus

276 AD | Crisis of the Third Century

Probus

276–282 AD | Crisis of the Third Century, Illyrian Emperors

Carus

282–283 AD | Crisis of the Third Century, Illyrian Emperors

Carinus

283–285 AD | Crisis of the Third Century

Numerian

283–284 AD | Crisis of the Third Century

Diocletian

284–305 AD | Tetrarchy