<P> The Invasion of Poland , known in Poland as the September Campaign ( Kampania wrześniowa ) or the 1939 Defensive War ( Wojna obronna 1939 roku ) , and in Germany as the Poland Campaign ( Polenfeldzug ) or Fall Weiss ( `` Case White '' ) , was a joint invasion of Poland by Nazi Germany , the Soviet Union , the Free City of Danzig , and a small Slovak contingent , that marked the beginning of World War II . The German invasion began on 1 September 1939 , one week after the signing of the Molotov -- Ribbentrop Pact , while the Soviet invasion commenced on 17 September following the Molotov - Tōgō agreement that terminated the Russian and Japanese hostilities in the east on 16 September . The campaign ended on 6 October with Germany and the Soviet Union dividing and annexing the whole of Poland under the terms of the German -- Soviet Frontier Treaty . </P>
<P> The Invasion of Poland , known in Poland as the September Campaign ( Kampania wrześniowa ) or the 1939 Defensive War ( Wojna obronna 1939 roku ) , and in Germany as the Poland Campaign ( Polenfeldzug ) or Fall Weiss ( `` Case White '' ) , was a joint invasion of Poland by Nazi Germany , the Soviet Union , the Free City of Danzig , and a small Slovak contingent , that marked the beginning of World War II . The German invasion began on 1 September 1939 , one week after the signing of the Molotov -- Ribbentrop Pact , while the Soviet invasion commenced on 17 September following the Molotov - Tōgō agreement that terminated the Russian and Japanese hostilities in the east on 16 September . The campaign ended on 6 October with Germany and the Soviet Union dividing and annexing the whole of Poland under the terms of the German -- Soviet Frontier Treaty . </P>
who won the war between germany and poland
who won the war between germany and poland
Germany the Soviet Union
Germany the Soviet Union