From Wikipedia, the free encyclopedia.
- July 3 - Battle of Adrianople: Constantine defeats Licinius, forcing Licinius to retreat to Byzantium.
- September 18 - Battle of Chrysopolis: Crispus, defeats Licinius' naval fleet, allowing his father Constantine the ability to cross over the Bosporus into Licinius' Asian provinces.
- Jin Ming Di succeeds Jin Yuan Di as emperor of China
- Jin Yuan Di, emperor of China