337

Events

• February 6 – Julius is elected pope.
• June 17 – Constantius II announces the restoration of Athanasius to the Patriarch of Alexandria.
• September 9 – Constantine II, Constantius II, and Constans succeed their father Constantine the Great as co-emperors of the Roman Empire.
• A number of descendants of Constantius I Chlorus, as well as powerful nobles, are executed. Responsibility for this purge is denied by the three Augusti.
• November 25 – Athanasius enters Alexandria.
• Paul I becomes Patriarch of Constantinople.
• Shapur II of Persia begins a war with the Roman Empire.

Births

• Fa-hsien, Chinese Buddhist monk and traveler (approximate date)

Deaths

• May 22 – Constantine I, Roman emperor
• September – Hannibalianus, King of the Pontus and grandson of Constantine I (executed)
• September – Dalmatius, Caesar and grandson of Constantine I (executed)
• September – Julius Constantius, son of Constantius I Chlorus and father of Julian (executed)
• September – Patricius Optatus (executed)
• September – Ablavius, Prefect of the Imperial Guard (executed)
• Eustathius, Patriarch of Antioch (probable date)
• Alexander, Patriarch of Constantinople