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Diocletian was born as Diocles
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Diocletian is elected by his army as the newest emperor of the Roman Empire
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Diocletian splits the Roman Empire into 2 separate empires with their own governing bodies and armies.
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Diocletian introduces Tetrarchy, a system with 2 senior and junior emperors. Upon the death or retirement of the senior emperor, the junior would take over
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The Edictum de Maximis Pretiis established wages and maximum prices to prevent inflation,
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Diocletian abdicates the throne, thus becoming the only emperor to ever do so
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Diocletian dies in the year 311 due to unknown causes