1840s
decade
The 1840s was the decade that began on January 1, 1840 and ended on December 31, 1849. It is distinct from the decade known as the '''185st decade''' which began on January 1, 1841. and ended on December 31, 1850.
| Millennium: | 2nd millennium |
| Centuries: | 18th century – 19th century – 20th century |
| Decades: | 1810s 1820s 1830s – 1840s – 1850s 1860s 1870s |
| Years: | 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 |
| Categories: | Births – Deaths – Architecture Establishments – Disestablishments |
Events
change- Treaty of Nanking between China and the United Kingdom(1842)
- Irish Potato Famine(1845–1848)
- Mexican-American War (1846–1848)
- The Communist Manifesto (1848)is published
- European Revolutions of 1848 (1848)
- California Gold Rush (1849)
World leaders
change- Emperor Ferdinand I (Austria)
- Chancellor Klemens Wenzel von Metternich (Austria)
- Emperor Franz Josef (Austria-Hungary)
- King Louis-Philippe (July Monarchy France)
- Frederick William IV of Prussia (Prussia)
- Pope Gregory XVI
- Pope Pius IX
- Emperor Nicholas I (Russia)
- Queen Isabella II (Spain)
- Queen Victoria (United Kingdom of Great Britain and Ireland)
- Prime Minister Lord Melbourne (United Kingdom)
- Prime Minister Sir Robert Peel (United Kingdom)
- Prime Minister Lord John Russell (United Kingdom)
- President Martin Van Buren (United States)
- President William Henry Harrison (United States)
- President John Tyler (United States)
- President James Knox Polk (United States)
- President Zachary Taylor (United States)
- Sultan Abd-ul-Mejid I (Ottoman Empire)
- Shahs of Persia (Qajar dynasty)
- Mohammad Shah Qajar, (b. 1810 – d. 1848) Shah from 1834 to 1848
- Nasser-al-Din Shah, 1848–1896
Births
change- Edvard Grieg (1843)
- Wyatt Earp (1848)
Deaths
change- Edgar Allan Poe (1849)