Diadumenian

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Diadumenian
Emperor of the Roman Empire

Diadumenianus on an aureus of Macrinus. Its elaborate symbolism celebrates Macrinus and his son, and their prodigality (Liberalitas).
Reign	May 217 - 218 (as Caesar under Macrinus); 218 (as Augustus
Full name	Marcus Opellius Antoninus Diadumenianus
Died	218
	Antioch
Father	Macrinus

Marcus Opellius Antoninus Diadumenianus or Diadumenian (d. 218) was the son of Roman Emperor Macrinus, who served his father briefly as Caesar from May, 217 to 218, and as Augustus in 218.

Diadumenian had little time to enjoy his position or to learn anything from its opportunities because the legions of Syria revolted and declared Elagabalus ruler of the Roman Empire. When Macrinus was defeated on June 8, 218, at Antioch, Diadumenian followed his father's death. According to the Scriptores Historiae Augustae, Diadumenian emulated Macrinus in tyranny. He called upon his father not to spare any who might oppose them or who made plots. His head was cut off and presented to Elagabalus as a trophy.