400s

Centuries:
4th century - 5th century - 6th century

Decades:
370s 380s 390s - 400s - 410s 420s 430s
Years:
400 401 402 403 404 405 406 407 408 409

400s: Major Events

Early 407 - Constantine III seizes control of the Roman garrison in Britain, declares himself emperor, and crosses into Gaul.
August 22, 408 - Stilicho, military power behind the imperial throne, is executed. The Roman military is leaderless for several years until Constantius III becomes patrician.
Construction (and therefore occupation) at Great Zimbabwe begins.
Validity limit for the information on Eastern Roman Empire in the Notitia Dignitatum.

: 400 401 402 403 404 405 406 407 408 409

Centuries: 4th century - 5th century - 6th century
Decades: 370s 380s 390s - 400s - 410s 420s 430s
Years: 400 401 402 403 404 405 406 407 408 409