343
Year 343 was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Memmius and Romulus. The denomination 343 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Events
By place
Roman Empire
- The Western Roman Emperor Constans I is in Britain, possibly in a military campaign against the Picts and Scots.
- The Eastern Roman Emperor Constantius II campaigns in Adiabene, a vassal kingdom of Armenia.
By topic
Religion
- Pope Julius I tries to unite the Western bishops against Arianism by convoking the Council of Serdica, which acknowledges the pope's supreme authority and grants him the right to judge cases involving the legal possession of episcopal sees, but only Western and Egyptian bishops attend, and Arianism remains strong.
Births
- Fu Deng, Chinese emperor of the Di state Former Qin
- Jin Mudi, Chinese emperor of the Eastern Jin Dynasty
- Xiao Wenshou, Chinese empress dowager
- Xie Xuan, Chinese general of the Jin Dynasty
Deaths
- December 6 - Saint Nicholas
- Li Shou, Chinese emperor of Cheng Han