Political map of East Asia and the Western Pacific 31 August 1918 (Siberian Intervention): In the chaos of the Russian Revolution (October Revolution), Czechoslovak troops (Revolt of Czechoslovak Legion) seized control of the Trans-Siberian Railway (Trans-Siberian Railway). The Allies (Allies of World War I) swiftly moved to aid the Czechoslovaks (Siberian Intervention) and the anti-Communist regimes (White Movement) they brought to power, with Japan occupying stations along the Russian-owned Chinese Eastern Railway.