April 5 Kolchakians took Sterlitamak and Menzelinsk, April 6-
Belebey, April 13- Bugulma, April 15- Buguruslan.
The Western Army was subordinated to the Southern Army Group under the command of General P. Belov(finally formed by 24 in March 1919 of the year),
as part of the 4-th Army Corps and the Consolidated Sterlitamak Corps.