When the Germans discovered mass graves in Katyn in 1943 they announced to the world that Russians were responsible that murder. Polish government began it's own instigation and come to conclusion that Russians were indeed responsible for Katyn massacre. Stalin used that as an excuse to break all relations with Polish government in London. Soon after that he set up a group of Polish communists who began their work under Stalin's and NKVD supervision. In the spring of 1943 Polish communist were allowed by Stalin to prepare ground for organization of Polish Army in USSR. To make things look legitimate Polish communist asked Stalin for permission to organize Polish Army. Stalin "generously" granted his permission on may 8, 1943. Soon after first Polish "volunteers" were gathered in a military camp in Sielce near Moscow. This was start The Peoples Army of Poland.
1st Inf. Div. "Tadeusza Kosciuszki" in 1943
Volunteers of 1st Division
Oath 1st Infantry Division, 1943