820s

Millennium:	1st millennium
Centuries:	8th century – 9th century – 10th century
Decades:	790s 800s 810s – 820s – 830s 840s 850s
Years:	820 821 822 823 824 825 826 827 828 829
Categories:	Births – Deaths – Architecture Establishments – Disestablishments

The 820s decade ran from January 1, 820 to December 31, 829.

Events and Trends

• Egbert of Wessex rises to the position of Bretwalda.
• The Saracens conquer Crete and invade Sicily.
• The Kingdom of Navarre is established.
• 829 — Ansgar established the first church in Sweden.

Significant people

• Louis the Pious
• Egbert of Wessex
• Michael II
• Thomas the Slav
• Omurtag of Bulgaria
• Mamun