Period: 1917-00-00 - 1923-00-00

The Russian Civil War (1917 to 1923) was a multi-party war that occurred within the former Russian Empire after the Russian provisional government collapsed and the Soviets under the domination of the Bolshevik party assumed power, first in Petrograd (St. Petersburg) and then in other places. <br>In July 1918, against the advice of the War Department, Woodrow Wilson agreed to the limited participation of 5,000 U.S. Army soldiers in the campaign as the "American North Russia Expeditionary Force" (a.k.a. the Polar Bear Expedition) who were sent to Arkhangelsk, while another 8,000 soldiers, organised as the American Expeditionary Force Siberia, were shipped to Vladivostok from the Philippines and from Camp Fremont in California. - From <a href="" target="_blank">Wikipedia</a>