820s

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

Events

820

{{#section-h::AD 820|Events}}

821

{{#section-h::AD 821|Events}}

822

{{#section-h::AD 822|Events}}

823

{{#section-h::AD 823|Events}}

824

{{#section-h::AD 824|Events}}

825

{{#section-h::AD 825|Events}}

826

{{#section-h::AD 826|Events}}

827

{{#section-h::AD 827|Events}}

828

{{#section-h::AD 828|Events}}

829

{{#section-h::AD 829|Events}}

Significant people

• Louis the Pious
• Egbert of Wessex
• Michael II
• Thomas the Slav
• Omurtag of Bulgaria
• Al-Ma'mun