1850s

Centuries: 18th century - 19th century - 20th century
Decades: 1820s 1830s 1840s - 1850s - 1860s 1870s 1880s
Years: 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859

Events and Trends

Charles Darwin publishes The Origin of Species, putting forward the theory of evolution by natural selection
Epidemiology begins when John Snow traces the source of an outbreak of cholera in London to a contaminated water pump.
Discovery of Neandertal fossils in Neanderthal, Germany
Solar flares discovered by Richard Christopher Carrington

Crimean war (1854 - 1856) fought between Imperial Russia and an alliance consisting of the United Kingdom of Great Britain and Ireland, the Second French Empire, the Kingdom of Sardinia and the Ottoman Empire. The majority of the conflict takes place around Crimea, on the northern coasts of the Black Sea.
The Indian Mutiny: revolt against British colonial rule in India
Dissolution of the Mughal Empire by the British.
156 are killed in Paris in a failed assassination attempt on Napoleon III, Emperor of France
Moldavia and Wallachia are unified and form Romania.