450
| Years: 446 447 448 449 - 450 - 451 452 453 454 | |
| Decades: 420s 430s 440s - 450s - 460s 470s 480s | |
| Centuries: 4th century - 5th century - 6th century | |
Events
- August 25 - Marcian proclaimed Eastern Roman Emperor by Aspar and Pulcheria.
- Saxons, Angles and Jutes invade Britain (traditional date).
- Thrasamund, king of the Vandals
- 28 July - Theodosius II, East Roman Emperor (from injuries suffered while hunting)
- November 27 - Galla Placidia
- Socrates Scholasticus, church historian