When hitler invaded poland which countries armies where involved?
Germany invaded Poland on 1 September 1939, and it was a straight Germany v Poland Fight. Britain and France declared war on Germany on 3 September, but were too far away to send help before Poland surrendered on 5 October. Russia invaded Poland on 17 September, so then it was Poland v Germany and Russia. The German attack was a major event because it was the start of WW2. Western Europe: Germany attacked Norway and Denmark on 9 April 1940.There was no fighting in Denmark,as the Danish government surrendered immediately. In Norway, it was Germany v Norway.British and French troops arrived on 14 April to help Norway. However, the Germans were victorious, conquering Norway by 9 June. Germany attacked France,Belgium, Luxembourg, and the Netherlands on 10 May 1940.The Germans fought all these countries armies, plus the British army that had been sent to France.Netherlands surrendered on 14 May, Belgium surrendered 25 May, France surrendered June 21.The British were forced to evacuate their