Seleucus (fl. c. 221) was a

Roman usurper Roman usurpers were individuals or groups of individuals who obtained or tried to obtain power by force and without legitimate legal authority. Usurpation was endemic during the Roman imperial era, especially from the crisis of the third century ...

. Seleucus was, according to the 5th-century historian

Polemius Silvius Polemius Silvius ('' fl.'' 5th century) was the author of an annotated Julian calendar that attempted to integrate the traditional Roman festival cycle with the new Christian holy days. His calendar, also referred to as a laterculus or ''fasti'', ...

, a usurper against Emperor

Elagabalus Marcus Aurelius Antoninus (born Sextus Varius Avitus Bassianus, 204 – 11/12 March 222), better known by his nickname "Elagabalus" (, ), was Roman emperor from 218 to 222, while he was still a teenager. His short reign was conspicuous for s ...

. His identity is not known: he could be Julius Antonius Seleucus, governor in

Moesia Moesia (; Latin: ''Moesia''; el, Μοισία, Moisía) was an ancient region and later Roman province situated in the Balkans south of the Danube River, which included most of the territory of modern eastern Serbia, Kosovo, north-eastern Alban ...

, or Marcus Flavius Vitellius Seleucus,

consul Consul (abbrev. ''cos.''; Latin plural ''consules'') was the title of one of the two chief magistrates of the Roman Republic, and subsequently also an important title under the Roman Empire. The title was used in other European city-states throug ...

for 221.

References

Peacock, Phoebe, "Seleucus", ''s.v.'' "Usurpers under Elagabalus", ''De Imperatoribus Romanis''
{{DEFAULTSORT:Seleucus 220s deaths Year of birth unknown Year of death uncertain 3rd-century Roman usurpers Imperial Roman consuls Antonius Seleucus Seleucus, Julius Flavii Vitellii