The Battle of Hormozdgan is fought. Ardashir I defeats and kills Artabanus V, effectively ending the Parthian Empire.

The Battle of Hormozdgan was the climactic battle between the Arsacid and the Sasanian dynasties that took place on 28 April 224. The Sasanian victory broke the power of the Parthian dynasty, effectively ending almost five centuries of Parthian rule in Iran, and marking the official start of the Sasanian era.