This figure came to power because Oclatinus Adventus was too old, and this figure gave Armenia to the client king Tiridates II. This man met the Parthian king Artabatus V at the Battle of Nisibis, and he became emperor after convincing Julius Martialis to murder his predecessor. This emperor appointed his ten year old son Diadumenianus as co-emperor, and he was deposed after losing a battle at Antioch against the grandson of Julia Maesa, Elagabalus. For 15 points, identify this first man to beco
This figure came to power because Oclatinus Adventus was too old, and this figure gave Armenia to the client king Tiridates II. This man met the Parthian king Artabatus V at the Battle of Nisibis, and he became emperor after convincing Julius Martialis to murder his predecessor. This emperor appointed his ten year old son Diadumenianus as co-emperor, and he was deposed after losing a battle at Antioch against the grandson of Julia Maesa, Elagabalus. For 15 points, identify this first man to become emperor of Rome who was not a senator, who ruled briefly from  217 to 218.
This figure came to power because Oclatinus Adventus was too old, and this figure gave Armenia to the client king Tiridates II.
Marcus Opellius Macrinus