In September 1939, it took part in the annexation of Western Ukraine and as of 17 September and 2 October 1939 was part of the 15th Rifle Corps of the 5th Army Ukrainian Front.
September 19th Division near Kostopil entered into battle with Polish forces of up to two infantry regiments.
Major General Filipp Alyabushev commanded the division between 13 March and his death on 25 June 1941.
He was replaced by Colonel Nikolay Ivanovich Vasilyev, who commanded the division until its destruction.
[2] In August 1945, it was withdrawn to Izhevsk in the Kazan Military District with the 10th Rifle Corps.