1850s

Technology

 * Production of revolutionized by invention of the
 * fractionates by  for the first time
 * First transatlantic cable laid
 * First safety installed by
 * s begin to supplant s in the United States as a primary means of transporting goods.

Science

 * publishes , putting forward the theory of by natural selection in 1859
 * begins when traces the source of an outbreak of  in London to a contaminated water pump.
 * Discovery of fossils in
 * s discovered by

War, peace and politics

 * (-) fought between and an alliance consisting of the, the , the  and the . The majority of the conflict takes place around Crimea, on the northern coasts of the.
 * The : revolt against  rule in
 * (-): battles erupt in between proslavery and "" settlers, directly precipitating the.
 * Dissolution of the by the British.
 * 156 are killed in in a failed  attempt on, Emperor of the French (1858).
 * and are unified and form.
 * attempts to create a.
 * On, the between several western powers and  begins with the Arrow Incident on the.
 * (-) in.
 * , also known as Franco-Austrian War, or Austro-Sardinian War.

World leaders

 * Padshah  1837-1858
 * Emperor
 * Emperor
 * King
 * Queen
 * King
 * Emperor
 * Emperor
 * Queen
 * Queen ,
 * Prime Minister
 * Prime Minister
 * Prime Minister
 * President
 * President
 * President
 * of
 * of

Russia

 * bring s to the