The Crimean War The Crimean War, fought from October 1853 to February 1856, primarily took place on the Crimean Peninsula between Russia and an alliance comprising Britain, France, and Ottoman Turkey, later joined by Sardinia-Piedmont in January 1855. The war was rooted in the clash of major powers' interests in the Middle East and was directly triggered by Russia's demands for protection over the Ottoman sultan's Orthodox subjects, along with a dispute between Russia and France regarding the privileges of the Russian Orthodox and Roman Catholic churches in Palestine. Supported by Britain, the Turks resisted Russian occupation of the Danubian principalities in July 1853. Following the Russian Black Sea fleet's destruction of a Turkish squadron at Sinope, British and French fleets entered the Black Sea to safeguard Turkish transports. In September 1854, allied troops disembarked in Russian Crimea and initiated a year-long siege of Sevastopol. Key battles occurred at the...