1939 September 1 04:45, the German army invaded Poland with the army of the client country Slovakia. Britain and France gave Nazi Germany 48 hours to withdraw from Polish territory. Britain and France declared war on Germany on September 3, 1939, because Germany did not listen to the warnings of Britain and France.

The German army and the Red Army joined forces on the Buge River on September 28th, and Germany has occupied Poland. Poland's war of aggression generally ended on June 6, 10, but Poland did not surrender to Germany or the Soviet Union. Moreover, the Polish government in exile organized a powerful underground organization in the Allies.

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1On October 30th, Adolf Hitler and his Nazi Party gained power in Germany. Contrary to the good relations between Germany and the Soviet Union, they put forward the concept of "living space" for Nazism's eastward expansion, and declared that a pan-German country would be established to dominate the European continent, and Germany would eventually wage war against the Soviet Union. In order to achieve this goal, Hitler will establish his allies, satellite countries or puppet countries around Germany, in the war against * * *.

In order to make a secret surprise attack on Poland, castle wolfenstein secretly deployed troops in two directions in advance. In Pomerania and East Prussia, the "Northern" Army Group, which consists of 265,438+0 divisions, has the 3rd Army (Commander General Kucelle) and the 4th Army (Commander Gü nther von Kluge, which has the 19 Armored Army of heinz wilhelm guderian), and the general commander is General Von Bok.

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Polish campaign-Baidu encyclopedia