DIOCLETIAN
245 - 316
 

Diocletian was Roman emperor from 284 - 305.

He abdicated May 1, 305.

285 - Diocletian divides and reorganizes the Roman empire.
After his abdication in 305 a fresh series of civil wars and confusion
ensues. Constantine, the first Christian emperor, reunites the
empire in 324.

ROME'S EXPANSION
Here is the map:

BOUNDARIES OF THE ROMAN PROVINCES BEFORE DIOCLETIAN
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