1840s

18th century - 19th century - 20th century

Decades: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]?

Births:

Deaths: