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Diocletian's civil administrative reforms of c. 293 CE established the diocese and province system that the Catholic Church directly adopted as its own organizational framework.
Quick Facts
Born
c. 245 CE · Dioclea, Dalmatia (modern-day Bosnia and Herzegovina)
Died
c. 311 CE
Nationality
Roman
Connections
1
mapped relationships
Relationship Map
Diocletian and Constantine were both Roman emperors who served during overlapping periods of the Tetrarchy system, with Constantine eventually succeeding to power after Diocletian's abdication in 305 CE.