AD 365

By place

Roman Empire

• July 21 - An earthquake and tsunami devastates Crete and Alexandria and affects Italy, Greece, and Palestine.
• September 28 - Procopius revolts and bribes two legions passing by Constantinople. He proclaims himself Emperor, and takes control of Thrace and Bithynia.
• November 1 - The Alamanni cross the Rhine and invade Gaul. Emperor Valentinian I moves to Paris to command the army and defend the Gallic cities.

  China

• March 30 - Sixteen Kingdoms: Jin Feidi, age 23, succeeds his brother Jin Aidi as emperor of the Eastern Jin Dynasty. He has no actual power; governmental matters are largely in the hands of his granduncle Sima Yu.

  By topic

Religion

• Basil of Caesarea becomes presbyter of Caesarea.
• Emperor Valens orders the expulsion of the Alexandrian bishop Athanasius from his see, but instead of going into exile Athanasius, now about 67, moves to the outskirts of Alexandria.
• Antipope Felix II dies after a 9-year reign, ending the double occupancy of the papacy.