433
| Years: 429 430 431 432 - 433 - 434 435 436 437 | |
| Decades: 400s 410s 420s - 430s - 440s 450s 460s | |
| Centuries: 4th century - 5th century - 6th century | |
Events
- Petronius Maximus becomes Roman Consul
- John of Antioch and Cyril of Alexandria sign the Formula of Reunion, thus ending their conflict over the Nestorian controversy and the Council of Ephesus.
Births
Deaths
- John Cassian, one of the Desert Fathers, monk, Christian saint, writer