Political map of Russia & the former Soviet Union 01 August 1919 (Denikin and Yudenich Attack): In mid-1919, White forces (White movement) under Anton Denikin (Anton Denikin) swept across southern Russia and the Ukraine, seizing Tsaritsyn (Volgograd/Stalingrad) in June. In July, he pushed further up the Volga in an attempt to take Moscow. Meanwhile, in the northwest, a White army led by General Yudenich (Nikolai Yudenich) was advancing on Petrograd from Estonia.