Where is Diocletian from?

Meaning of the name Diocletian

From the Roman cognomen Diocletianus , a derivative of Diokles. This was the name of a Roman emperor of the 3rd and 4th centuries. He is remembered for persecuting Christians, but he also reformed and stabilized the crumbling Empire.

Characteristics of the name Diocletian

How do we know this about Diocletian

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