Millennium: 2nd millennium
Centuries: 18th century19th century20th century
Decades: 1820s  1830s  1840s  – 1850s –  1860s  1870s  1880s
Years: 1851 1852 185318541855 1856 1857

Events change

Births change

 
Henri Poincare

Deaths change

New books change

 
Tolstoy during the Crimean War