Белорусский военный округ
In accordance with a Moscow Military District directive of 11 April 1935, the division was formed at Yaroslavl from a cadre provided by the 18th Rifle Division. It was part of the Moscow Military District until 1936, when it relocated to the Belorussian Military District. The 52nd Rifle Division took part in the invasion of Poland in 1939 and the Winter War with Finland from November 1939 to March 1940. It became part of the Leningrad Military District for the latter.