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Which war? For the USA WWI was declared in 1917 as allies and WWII declaration was made 12-8-1941 the day after Pearl Harbor was bombed. In England they declared war on Germany in 1917 for WWI and in 1939 for WWII.
No Germany declares war on US
The US declared war on Germany on Dec 11th 1941, (two days after Germany declared war on the US). Everything since that date to the present is after.
Invasion by Germany of Poland in 1939. US won't get involved until Dec. 8, 1941 the day after the bombing of Pearl Harbor when war is declared on Japan and Germany, in turn, declares war on the US.
september 1939
it became global
The war declaration of US is from 12 December 1941.
The invasion of Poland at 4.4oam caused ww2 when Germany invaded Poland and targeted several parts of Poland Krakow,Lodz and Warsaw. The British GOVERMENT declared war. Hilter came along and said "World War 2 begins" WWII: Nazi Germany invades Poland, beginning the Second World War in Europe.' * September 3 - WWII: United Kingdom, France, New Zealand and Australia declare war on Germany. Nepal declares war on Germany. United States declares its neutrality in the war. South Africa declares war on Germany. Canada declares war on Germany.
Battle of tannenberg
in 1938
America declared war on Germany in 1941.
Poland was allied to Franch and Britain, so germany had to wage war on those countries as well.