Pedzisa mutsara unotevera: Munguva yokurwiswa kwePoland neGermany muna 1939, guta racho rakadzivirirwa neboka duku remasoja mana aitungamirirwa naGeneral Konstanty Plisowski vachirwisana neXIX Panzer Corps yaGeneral Heinz Guderian. Pashure pemazuva mana okurwa kwakasimba, mauto ePoland akadzokera kumaodzanyemba musi waSeptember 17. Kupinda kweSoviet muPoland kwakatanga musi iwoyo. Somugumisiro, Soviet Red Army yakapinda muguta pakupera kwaSeptember 1939 ichitevera Mutemo Wakavanzika weMolotov-Ribbentrop Chibvumirano, uye pamwe chete
Kufora kwemauto kweNazi neSoviet kwakaitika pana September 22, 1939. Nepo vanhu vokuBelarus vachifunga kuti kubatanazve kwenyika yeBelarus pasi pedunhu rimwe chete (BSSR panguva iyoyo), maPoland anozviona sezuva rakarasika guta racho. Munguva yaitongwa neSoviet (1939<unk>41), vanhu vokuPoland vakasungwa, vakaurayiwa uye vakaendeswa kuSiberia neKazakh Soviet Socialist Republic.