Белорусский военный округ
With the outbreak of the Russian Civil War it was reorganized into the Western Front and in April 1924 it was renamed to the Western Military District. In October 1926 it was redesignated the Belorussian Military District, with its staff in Smolensk. And in July 1940 it was renamed the Western Special Military District. It covered the territory of the Byelorussian SSR and the western part of the RSFSR (including Smolensk area, Bryansk area, and parts of Kaluga area).