Home / General Information / List of Monarch Reigns / Western Roman Empire

Browse a list of all the monarch reigns in Western Roman Empire that we know about.

NameFromTo
Gaius Flavius Valerius Aurelius Constantinus (Emperor Constantine the Great) 25 July 306 29 October 312
Emperors Constantine the Great and Constantine II 29 October 312 19 September 324
Emperors Constantine the Great, Constantine II and Constantius II 19 September 324 22 May 337
Emperors Constantius II, Constantine II and Constans 22 May 337 340
Emperors Constantius II and Constans 340 350
Flavius Julius Constantius Augustus (Emperor Constantius II) 350 3 November 361
Flavius Claudius Iulianus Augustus (Emperor Julian the Apostate) 3 November 361 26 June 363
Flavius Iovianus Augustus (Emperor Jovian) 27 June 363 17 February 364
Flavius Valentinianus Augustus (Emperor Valentinian I) 26 February 364 17 November 375
Emperors Gratian and Valentinan II (West only) 17 November 375 9 August 378
Emperors Gratian and Valentinan II (whole Empire) 9 August 378 19 January 379
Emperors Gratian and Valentinan II (West only again) 19 January 379 25 August 383
Flavius Theodosius Augustus (Emperor Theodosius I) 15 May 392 17 January 395