Diocletian was born in 245. The full name of Diocletianus is Gaius Aurelius Valerius Diocletianus. Diocletian was been the emperor of the Roman state in 284.
Before Diocletianus, the Roman state was about to collapse. Diocletianus, as his first work, has completed all the internal revolts in the Roman state. Diocletianus found work for all Roman men.
Diocletianus thought that the borders of the Roman state were too great. And so Diocletian divided the Roman state into two. Diocletianus ruled Eastern Rome.
Diocletianus left the empire in 305. Diocletian lives life in retirement in Split. Diocletian died in 312.