PastlasHistorical atlas

Decade · 820 – 829

The world in the 820s

From 820 to 829 the atlas holds 209 states standing at some time. 7 things began - Tahirid dynasty, Emirate of Crete and Muslim conquest of Sicily among them - and 6 ended; 25 people were born and 13 died, 3 of all these dated only to the decade.

Its years

The years of the decade with a page of their own: ten or more things dated to the year.

820: 0 began — 0 wars and battles, 0 risings, regime changes and massacres, 0 other820821: 1 began — 0 wars and battles, 0 risings, regime changes and massacres, 1 other821822: 0 began — 0 wars and battles, 0 risings, regime changes and massacres, 0 other822823: 0 began — 0 wars and battles, 0 risings, regime changes and massacres, 0 other823824: 1 began — 1 wars and battles, 0 risings, regime changes and massacres, 0 other824825: 2 began — 1 wars and battles, 0 risings, regime changes and massacres, 1 other825826: 0 began — 0 wars and battles, 0 risings, regime changes and massacres, 0 other826827: 2 began — 2 wars and battles, 0 risings, regime changes and massacres, 0 other827828: 0 began — 0 wars and battles, 0 risings, regime changes and massacres, 0 other828829: 0 began — 0 wars and battles, 0 risings, regime changes and massacres, 0 other829

What began in the 820s

By kind, the best known first.

States 3

Wars and battles 4

What ended in the 820s

States 5

Wars and battles 1

Born and died

Born 25

and 9 more in the atlas.

Died 13

States of the 820s

The states that stood at some time in the 820s, by region, the best known first, with who held the highest office in 820.

Europe: 97 statesEurope97Middle East and North Africa: 29 statesMiddle East and North Africa29South Asia: 30 statesSouth Asia30East and Southeast Asia: 26 statesEast and Southeast Asia26Americas and Oceania: 10 statesAmericas and Oceania10Location unknown: 17 statesLocation unknown17

Europe97 states

and 89 more; every state of Europe.

Middle East and North Africa29 states

and 21 more; every state of Middle East and North Africa.

South Asia30 states

and 22 more; every state of South Asia.

East and Southeast Asia26 states

and 18 more; every state of East and Southeast Asia.

Americas and Oceania10 states

and 2 more; every state of Americas and Oceania.

Location unknown17 states

and 9 more; every state of Location unknown.

Open in the atlas

  • On the timeline, 800 – 849: every state, war and life of the 820s, region by region.
  • On the map in 825: the borders of the year, its cities under their names of the year, and what happened where.

Wikidata (CC0) · data built 2026-10-07 · Pastlas v2.13.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.