Events

• First Listing of the New Testament by St Athanasius of Alexandria.
• Great Conspiracy: A general assault of Saxons, Irish, and Attacotti combined with a general revolt of the garrison on Hadrian's Wall devastate Roman Britain.
• Epiphanius of Salamis becomes bishop of Salamis, Cyprus.
• Roman emperor Valens is baptized by Eudoxius of Antioch.
• Eunomius of Cyzicus is banished to Mauretania for harbouring the usurper Procopius.
• Gratian becomes Augustus under his father Valentinian I.

Births

Deaths

• Hilary of Poitiers, Doctor of the Church