323 CE

Emperor Constantine the Great defeats the invading Goths and Sarmatians north of the Danube in Dacia, and claims the title of Sarmaticus Maximus. Crown Prince Ming of Jin succeeds his father Yuan of Jin as emperor of the Eastern Jin Dynasty.

Conflict & Security

Emperor Constantine the Great defeats the invading Goths and Sarmatians north of the Danube in Dacia, and claims the title of Sarmaticus Maximus.source

Culture & Society

Crown Prince Ming of Jin succeeds his father Yuan of Jin as emperor of the Eastern Jin Dynasty.source

Births

Constans I, Roman consul and emperor (d. 350)source

Deaths

January 3 – Yuan of Jin (or Jingwen), Chinese emperor (b. 276)source
Tiberius Julius Rhadamsades, Roman prince and client kingsource
Zhang Bin (or Mengsun), Chinese general and strategistsource