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 five other countries allied with Great Britain during WWI were France, Russia, Italy, USA, and Serbia.
At least six other nations.
They usually targeted aircraft carriers, especially during the battles at Midway and during the island hopping campaign. Pearl Harbor was the anomaly.
The Italian Campaign occurred during World War II and refers to various Allied missions that took place in and around Italy. The ultimate result was the collapse of fascist Italy.
United States, Soviet Union
Allied deaths were 4391
The Dodecanese Campaign took place during World War II, specifically from September 1943 to May 1945. It involved the Allied forces attempting to capture the Italian-controlled Dodecanese Islands in the Aegean Sea from the Axis powers.
The austro hungarians allied with germany.
UKFrance
There were about 26 countries during WWI.
The five other countries allied with Great Britain during WWI were France, Russia, Italy, USA, and Serbia.
During World War 2, there were thirty-two official countries listed as the Allied Powers. The chief Allied Powers were Great Britain, France, the Soviet Union, the United States and China.
generally, on the sides of the countries they were colonies of
England, France, Russia, China as well as other countries were included in the Allied Powers during WW2.
Allied Countries (US, UK, France) and Axis Countries (Germany, Italy, Japan)
Germany
Germany, Japan, and Italy