Home Encyclopedia Roman Emperors
Name Reign Starts Reign Ends Notes
Augustus January 16, 27 BC August 19, 14 AD First Roman emperor
Tiberius September 17, 14 March 16, 37
Caligula 37 41 Ruled until his assassination
Claudius 41 54
Nero 54 68
Galba 68 69 Otho ordered Galba's murder and followed him as emperor during the Year of the Four Emperors
Otho January 15, 69 April 16, 69 Served as the second of four emperors in the Year of the Four Emperors
Vitellius April 19, 69 December 20, 69
Vespasian 69 79
Titus 79 81
Domitian 81 96
Nerva September 18, 96 January 27, 98
Trajan January 28, 98 August 11, 117
Hadrian August 11, 117 July 10, 138
Antoninus Pius July 11, 138 March 7, 161
Marcus Aurelius March 7, 161 March 17, 180 Co-emperor with Lucius Verus and Commodus
Lucius Verus March 7, 161 169 Co-emperor with Marcus Aurelius
Commodus 177 December 31, 192 Co-emperor with Marcus Aurelius
Pertinax January 1, 193 March 28, 193
Didius Julianus March 28, 193 June 2, 193
Septimius Severus 193 211
Caracalla 198 217 Co-ruler with Septimius Severus
Geta 209 211
Macrinus April 11, 217 June 8, 218 Co-emperor with Diadumenian
Diadumenian May 217 May 218 Co-emperor with Macrinus
Elagabalus May 16, 218 March 11, 222
Severus Alexander March 13, 222 March 22, 235
Maximinus Thrax 235 June 238
Gordian I March 238 April 238
Gordian II March 238 April 238
Pupienus April or May 238 July or August 238 Co-emperor with Balbinus
Balbinus April or May 238 July or August 238 Co-emperor with Pupienus
Gordian III August 238 February 244
Philip the Arab February 244 September 249 Co-emperor with Philip II
Philip II 247 249
Decius September 249 June 251 Co-emperor with Herennius Etruscus
Herennius Etruscus May 251 June 251 Co-emperor with Decius
Trebonianus Gallus June 251 August 253
Hostilian June 251 July 251 Co-emperor with Trebonianus Gallus
Volusianus August 251 August 253
Aemilianus June 253 September 253
Valerian September 253 June 260 Co-emperor with Gallienus; captured after the Battle of Edessa by the Persian emperor Shapur I
Saloninus June 260 June 260 Co-emperor with Gallienus
Gallienus September 253 September 268 Co-emperor with Valerian
Claudius Gothicus 268 270
Quintillus 270 270 Aurelian challenged Quintillus' claim to be emperor
Aurelian 270 275
Tacitus December 275 June 276
Florianus June 276 September 276
Probus June 276 September 282
Carus September 282 July 283
Carinus 283 July 285 Co-emperor with Carus and Numerian
Numerian 283 284 Co-emperor with Carinus
Diocletian 284 305 Abdicated; co-emperor with Maximian
Maximian 286 305
Galerius May 1, 305 May 311
Constantius I 305 306
Severus II July 25, 306 April 307
Maxentius October 28, 306 October 28, 312
Constantine the Great July 25, 306 May 22, 337 First emperor to convert to Christianity
Maximinus Daza 310 July 313
Licinius November 11, 308 September 19, 324
Constantine II 337 340
Constans 337 350
Vetranio March 350 December 350
Magnentius 350 353
Constantius II 337 361
Julian 361 363
Jovian 363 364
Valentinian I February 26, 364 November 17, 375
Valens March 28, 364 August 9, 378
Theodosius I January 19, 379 January 7, 395
Arcadius January 16, 383 May 1, 408
Honorius January 23, 393 August 15, 423
Theodosius II January 10, 402 July 28, 450
Joannes November 20, 423 May 425
Valentinian III October 23, 425 March 16, 455 Roman emperor in the West
Petronius Maximus March 17, 455 May 31, 455 Roman emperor in the West (unrecognized in the East)
Marcian 450 457 Roman emperor in the East
Leo I 457 474 Roman emperor in the East
Leo II 473 474 Roman emperor in the East
Zeno January 29, 474 January 9, 475
Julius Nepos June 24, 474 August 28, 475
Romulus Augustulus October 31, 475 September 4, 476
Sightseers’ Delight started publishing in June 2016. The site, published by The DeFeo Groupe, collects and curates content about places where historical events large and small happened. The site builds off the legacy of The Travel Trolley, which launched in June 2009. The site aimed to be a virtual version of the trolley tours offered in so many cities.