1840: what happened around the world

In 1840, 39 events recorded on Erask's globe began — Mexican-American War, Convention of London and Oriental Crisis of 1840 among the best known. 72 more were already under way, such as First Opium War and Opium Wars. 74 things were founded or built that year, from Ecuador and Lichtenstein Castle.

39events began
72already under way
74founded or built
See 1840 on the globe →

Wars, battles and sieges24

Revolts, massacres and attacks7

Treaties, councils and politics3

Accidents and fires3

Expeditions2

Already under way in 184072

Came to an end in 18407

Founded or built in 184074

+44 more, on the globe.

Stories that pass through 1840

Volcanic EruptionsEvery significant eruption on record since 1500 How America Filled UpEvery American city of 60,000 people, in the year it began

Nearby years

1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 All of the 19th century →

Every entry comes from Wikidata and links to its Wikipedia article; entries are ordered by how many language editions of Wikipedia cover them. Only things with a date are listed, and dates before the modern era are often approximate. How this is made →