In March, 1919 the army of the admiral Kolchak
began large-scale offensive from Ural to Volga. By the end of April the White Army has grasped huge territory with the important industrial and agricultural resources, with the population more than 5 million people Advanced parts of the Siberian Army send on approaches to Samara and Kazan. Encouraged by this success, admiral Kolchak instead of coordinating the actions to the general Deniken, coming on Saratovs, and to be united with him, decided be the winner and first enter in Moscow. The management of Red Army has concentrated against Kolchak the large shock forces and has broken him. During a strategic defense, then counteroffensive of Eastern Front 1919, Kolchak was routed and withdraweled behind Ural.