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Diocletian: emperor of the Roman world (r. 284-305).


co-emperor of Maximianus; ruled in the east

Successor of: Numerianus


Early career

Main deeds

Contemporary events

  • 301 Gregory the Illuminator converts the Armenians
  • 305 Death of Porphyry


Diocletian's palace, model
Diocletian's palace, model
Baths of Diocletian (Rome); Spalato

New legions: I Iovia; I Martia; I Maximiana; I Noricorum; I Pontica; II Flavia Constantia; II Herculia; III Diocletiana; III Herculia; IIII Parthica; V Iovia; V Parthica; VI Herculia; VI Parthica

Succeeded by: Galerius

This page was created in 2006; last modified on 1 February 2015.