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Diocletian appoints Maximian as Caesar and co-ruler.

Historical image related to Diocletian appoints Maximian as Caesar and co-ruler. from July 21, 285

Diocletian

Roman emperor from 284 to 305

Diocletian, nicknamed Jovius, was Roman emperor from 284 until his abdication in 305. He was born Diocles to a family of low status in the Roman province of Dalmatia. As with other Illyrian soldiers of the period, Diocles rose through the ranks of the military early in his…
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Maximian

Roman emperor from 286 to 305

Maximian, nicknamed Herculius, was Roman emperor from 286 to 305. He was Caesar from 285 to 286, then Augustus from 286 to 305. He shared the latter title with his co-emperor and superior, Diocletian, whose political brain complemented Maximian's military brawn. Maximian…
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Caesar (title)

Imperial title in the Roman Empire

Caesar is a title of imperial character. It derives from the cognomen of Julius Caesar. The change from being a surname to a title used by the Roman emperors can be traced to AD 68, following the fall of the Julio-Claudian dynasty. When used on its own, the title denoted heirs…
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