Vladivostok
World War I and Russian Civil War

During World War I, no active hostilities took place in the city. However, Vladivostok was an important staging post for the import of military-technical equipment for troops from allied and neutral countries, as well as raw materials and equipment for industry.

Immediately after the October Revolution in 1917, during which the Bolsheviks came to power, the Decree on Peace was announced, and as a result of the Treaty of Brest-Litovsk concluded between the Bolshevik government of Russia and the Central Powers, led to the end of Soviet Russia 's participation in World War I. On October 30, the sailors of the Siberian Military Flotilla decided to "rally around the united power of the Soviets", and the power of Vladivostok, as well as all of the Trans-Siberian Railway passed to the Bolsheviks. During the Russian Civil War, from May 1918, they lost control of the city to the White Army -allied Czechoslovak Legion, who declared the city to be an Allied protectorate. Vladivostok became the staging point for the Allies' Siberian intervention, a multi-national force including Japan, the United States and China; China sent forces to protect the local Chinese community after appeals from Chinese merchants. The intervention ended in the wake of the collapse of the White Army and regime in 1919; all Allied forces except the Japanese withdrew by the end of 1920.

Throughout 1919 the region was engulfed in a partisan war. To avoid a war with Japan, with the filing of the Soviet leadership, the Far Eastern Republic, a Soviet-backed buffer state between Soviet Russia and Japan, was proclaimed on April 6, 1920. The Soviet government officially recognized the new republic in May, but in Primorye a riot occurred, where significant forces of the White Movement were located, leading to the creation of the Provisional Priamurye Government, with Vladivostok as its capital.

In October 1922, the troops of the Red Army of the Far Eastern Republic under the command of Ieronim Uborevich occupied Vladivostok, displacing the White Army formations from it. In November, the Far Eastern Republic liquidated and became a part of Soviet Russia.
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