The 820s decade ran from January 1, 820, to December 31, 829.
Significant people
- Louis the Pious
- Egbert of Wessex
- Michael II
- Thomas the Slav
- Omurtag of Bulgaria
- Al-Ma'mun
820s
32 words updated Jun 17, 2026, 11:53 PM
WikiHQWikiHQ32 words updated Jun 17, 2026, 11:53 PM
The 820s decade ran from January 1, 820, to December 31, 829.