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Di·o·cle·tian(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)
Di•o•cle•tian(ˌdaɪ əˈkli ʃən)
(Gaius Aurelius Valerius Diocletianus), A.D. 245–316, emperor of Rome 284–305.