April 12 – Shapur I becomes co-emperor of the Sasanian Empire with his father Ardashir I. Maharaja Sri-Gupta becomes Emperor of Gupta.
April 12, Shapur I menjadi pendamping kaisar dari Kekaisaran Sasaniyah bersama ayahnya Ardashir I. Maharaja Sri-Gupta menjadi Kaisar Gupta.