366
| Years: 362 363 364 365 – 366 – 367 368 369 370 | |
| Decades: 330s 340s 350s – 360s – 370s 380s 390s | |
| Centuries: 3rd century – 4th century – 5th century | |
Events
- January 2, Alamanni cross frozen Rhine in large numbers, invading Roman Empire
- October 1 – Pope Damasus I becomes Bishop of Rome. Romans unhappy with this choice elect the antipope Ursicinus.
- Valens defeats the troops of Procopius in the Battle of Thyatria, bringing an end to his revolt.
- Athanasius returns from exile.
Births
Deaths
- May 27 – Procopius (executed)
- September 24 – Pope Liberius
Categories: 366