Centuries: 3rd century - 4th century - 5th century

Decades: 270s 280s 290s 300s 310s - 320s - 330s 340s 350s 360s 370s

Years: 318 319 320 321 322 - 323 - 324 325 326 327 328

• 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

Deaths