1840s

18th century - 19th century - 20th century

Decades: 1790s - 1800s - 1810s - 1820s - 1830s - 1840s - 1850s - 1860s - 1870s - 1880s - 1890s

1840 1841 1842 1843 1844 1845 1846 1847 1848 1849

Events:

• Karl Marx writes The Communist Manifesto