Events

• January 19 - Theodosius I is elevated as Roman Emperor at Sirmium.
• September 13 - Nun Yax Ayin becomes king of Tikal.
• Ardeshir II becomes King of Persia.
• Gratianus refuses title of eastern Roman Emperor.
• War of Feishui in China.
• Theodosius I makes peace with king Fritigern of the Visigoths.
• Celtic village of Cularo renamed Gratianopolis , later becomes Grenoble.
• Settlement of Jew Town in India by Jews.
• Niall becomes King of Ireland.
• Gregory Nazianzus becomes Patriarch of Constantinople, and is wounded when he is attacked by a mob of heretics.

Births

• Gunderic, king of the Vandals

Deaths

• January 1 - Basil of Caesarea, bishop
• Wang Xizhi (Wang Hsi-chih) famous Chinese calligrapher.
• Shapur II, Persian King.
• Saint Macrina the Younger