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Listing of Roman Emperors and their Family | Index of Coin PapersRoman Emperor Diadumenian (217-218 AD)
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Born Marcus Opellius Diadumenianus 19 December 208 AD. The name Antoninus was added when he was given the rank of Caesar at the time h
is father, Macrinus, became Augustus. Diadumenian was given the rank of Augustus in May 218 AD. When his father was defeated, Diadumenian fled to Parthia where he was executed in June 218 AD.