417
| Years: 413 414 415 416 - 417 - 418 419 420 421 | |
| Decades: 380s 390s 400s - 410s - 420s 430s 440s | |
| Centuries: 4th century - 5th century - 6th century | |
Events
- January 1 - Constantius III marries Galla Placidia, sister of Honorius.
- March 18 - Zosimus succeeds Innocent as Pope.
- The Visigoths are granted Aquitaine and Wallia establishes a capital at Toulouse.
- Pelagianism is condemned at the Council of Carthage.
Deaths