The Crimean War (also known as "Crimean War", Eastern War, and the Ninth Russian-Turkish War) broke out in the European continent on June 20th 1853 and 10, which was the largest international war after the collapse of Napoleon's empire. The Ottoman Empire, Britain, France and Sardinia successively declared war on Russia.
"The Crimean War showed the corruption and incompetence of serfdom Russia" (Lenin). The tsar's failure discredited his autocratic monarchy at home and abroad, accelerated the arrival of the revolutionary situation in 1859- 186 1, and promoted the deepening and collapse of the serfdom crisis.
Russia's defeat in the Crimean War in 1853- 1856 was the failure of Russia, a backward serfdom country, to Britain and France, an advanced capitalist country. This defeat directly promoted Tsar Alexander II to carry out all-round reforms, including abolishing serfdom, reforming political system, judicial system, military affairs and education. +08 1 year serfdom reform.