408
| Years: 404 405 406 407 - 408 - 409 410 411 412 | |
| Decades: 370s 380s 390s - 400s - 410s 420s 430s | |
| Centuries: 4th century - 5th century - 6th century | |
Events
- Theodosius II succeeds his father Arcadius as Emperor of the Eastern half of the Roman Empire
- In the summer of this year, the usurper Constantine III captures Spain, destroying the loyalist forces defending it.
- September - Alaric, king of the Visigoths, lays siege to Rome
Deaths