Dee ihe na-aga n'ihu maka paragraf a - N'oge mwakpo ndị Germany na Poland na 1939, obere ndị agha nke ndị agha anọ na-agbachitere obodo ahụ n'okpuru Ọchịagha Konstanty Plisowski megide Ọchịagha Heinz Guderian's XIX Panzer Corps. Mgbe ụbọchị anọ nke ọgụ kpụ ọkụ n'ọnụ gasịrị, ndị agha Poland lara azụ na ndịda na Septemba 17. Ndị Soviet wakporo Poland n'otu ụbọchị ahụ. N'ihi ya, ndị agha Soviet Red Army banyere n'obodo ahụ na ngwụcha Septemba 1939 na-eso Protocol Nzuzo nke Molotov-Ribbentrop Pact, na ngagharị agha ndị Nazi-Soviet jikọtara ọnụ
mere na September 22, 1939. Ọ bụ ezie na ndị Belarus na-ele ya anya dị ka ijikọghachi mba Belarus n'okpuru otu mpaghara (BSSR n'oge ahụ), ndị Poland na-ele ya anya dị ka ụbọchị mgbe obodo ahụ furu efu. N'oge nchịkwa Soviet (1939<unk>41), ndị Poland jidere, gbuo ma chụga ndị mmadụ na Siberia na Kazakh Soviet Socialist Republic.