Poland: 1 September 1939
Britain, France: 3 September 1939
Canada: 9 September 1939
Norway, Denmark: 9 April 1940 (upon invasion)
Belgium, Luxembourg, Netherlands: 10 May 1940 (upon invasion)
Czechoslovakian government-in-exile: 21 July 1940
Greece: 28 October 1940 (upon invasion)
Yugoslavia: 27 March 1941 (left Axis after a coup)
Soviet Union: 22 June 1941 (upon invasion by Nazi Germany)
United States: 7 December 1941 (Pearl Harbor attack by Japanese)
China: 9 December 1941 (parts of China already occupied by Japan since early 1930s)
Mexico: 1 June 1942
Brazil: 22 August 1942
Iran: 9 September 1943
Ecuador: 2 February 1945
Paraguay: 8 February 1945
Peru: 12 February 1945
Uruguay: 14 February 1945
Turkey: 25 February 1945
Argentina: 28 March 1945
The British and French governments issued a simultaneous declaration of war against Germany on 3rd September 1939.
Great Britain and France saw that they had no choice since Hitler continued to gain more land by force even though the nations gave a country willingly to prevent a war.
3 September 1939
3rd September 1939
cause they wanted to! =)
They were allies with Germany.
No
You were neutral, Like Switzerland.
1940
Because Germany wanted oil from the region and The English were in control in that area.
No
yes it was vital 4 the US 2 enter World War 2 because we needed their help 2 win the war. It turns out tht because of them we won the war.
At the start of the War they were always in
2011
1934
Yes
World War 2
They entered the war in 3333
cause they wanted to! =)
1941
1302