PastlasHistorical atlas

Year

The world in 1840

In 1840 the atlas holds 525 states standing across 6 regions. 6 things began that year - Hess's law, Republic of the Rio Grande and Convention of London among them - and 6 ended; 42 people were born and 23 died.

Only what Wikidata dates to the year is counted here; a thing dated to its decade is on the 1840s page, and to its century on the 19th century.

What began in 1840

By kind, the best known first; a war or a state is listed in the year it began.

States 2

Wars and battles 2

Treaties 1

Works and ideas 1

What ended in 1840

States that fell or were replaced, and wars and other things that ran past the year they began.

States 5

Wars and battles 1

Born and died

By how many Wikipedias write about them.

Born in 1840 42

and 26 more in the atlas.

Died in 1840 23

and 7 more in the atlas.

Standing in 1840

The states the atlas holds as standing that year, by region, the best known first, with who held the highest office where the record dates it.

Europe: 117 statesEurope117Middle East and North Africa: 61 statesMiddle East and North Africa61Sub-Saharan Africa: 48 statesSub-Saharan Africa48South Asia: 169 statesSouth Asia169East and Southeast Asia: 66 statesEast and Southeast Asia66Americas and Oceania: 35 statesAmericas and Oceania35Location unknown: 29 statesLocation unknown29

Europe117 states

and 107 more; every state of Europe.

Middle East and North Africa61 states

and 51 more; every state of Middle East and North Africa.

Sub-Saharan Africa48 states

and 38 more; every state of Sub-Saharan Africa.

South Asia169 states

and 159 more; every state of South Asia.

East and Southeast Asia66 states

and 56 more; every state of East and Southeast Asia.

Americas and Oceania35 states

and 25 more; every state of Americas and Oceania.

Location unknown29 states

and 19 more; every state of Location unknown.

Open in the atlas

  • On the timeline, 1815 – 1865: every state, war and life of 1840 and the years either side, region by region.
  • On the map in 1840: 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.