400s
| Millennia |
|---|
| 1st millennium |
| Centuries |
| Decades |
| Years |
| Categories |
The 400s was a decade that started on 1 January 400 and ended on 31 December 409.
Events
[change | change source]- 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.