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 (dī′ə-klē′shən) Originally Gaius Aurelius Valerius Diocletianus. ad 245?-313?
Emperor of Rome (284-305) who divided the empire into east and west (286) in an attempt to rule the territory more effectively. His desire to revive the old religion of Rome led to the last major persecution of the Christians (303).


(Biography) full name Gaius Aurelius Valerius Diocletianus. 245–313 ad, Roman emperor (284–305), who divided the empire into four administrative units (293) and instigated the last severe persecution of the Christians (303)


(ˌdaɪ əˈkli ʃən)

(Gaius Aurelius Valerius Diocletianus), A.D. 245–316, emperor of Rome 284–305.
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Noun1.Diocletian - Roman Emperor who when faced with military problems decided in 286 to divide the Roman Empire between himself in the east and Maximian in the west; he initiated the last persecution of the Christians in 303 (245-313)
References in periodicals archive ?
The event dates from December AD304 when a young girl called Lucia was martyred in Sicily for refusing to make a sacrifice to the Emperor Diocletian.
The event dates from December AD304 when a young girl called Lucia was martyred in Syracuse, Sicily, for refusing to make a sacrifice to the Emperor Diocletian.
He may even be compared to the obscure Roman Emperor Diocletian, who voluntarily abdicated in 305 AD after bringing in real change to the fragile empire and stabilising it from earlier implosion.
In 303AD, the Roman emperor Diocletian ordered that every Christian solder in the army be arrested - an order to which Saint George objected.
Split is home to UNESCO world heritage site the Diocletian Palace, built in the 4th Century.
2) The preparation of a monograph on the geography and the economy of the imperial properties in Asia Minor from Augustus to Diocletian (27 BC-AD 284).
I like to imagine myself one of the faithful of the fourth-century Diocletian persecution, one of those who died rather than bow down before Roman gods or surrender sacred texts to be burned.
Diocletian issued the "Decrees of Nicaea," which reinstated emperor worship and required Christians and pagans alike to attend ceremonies of sacrifice.
4: According to tradition, St George was an officer in the Guard of Diocletian who refused to take part in the persecution of Christians, this eventually led to him being tortured and executed in Palestine by Emperor Diocletian, making him an early martyr.
Even before he had finished putting early Christians to the sword, the Roman emperor Diocletian built a splendid retirement home that still dominates the city of Split.
In AD 298 Diocletian withdrew the Roman troops from the Dodecaschoenos--according to Procopius (De bellis 1.
And the less said about the Emperor Diocletian, who is apparently the by-word for price controls, the better.