Question: When did the allies enter world war 2?
Disambiguated questions and answers: question: When did the first of the allies enter world war 2?
When did the last of the allies enter world war 2 by declaring war on Japan?
When did the United States enter world war 2?
When did the Soviet Union enter world war 2?
When did the China enter world war 2?
When did the United Kingdom enter world war 2?
answer: 1939
1 September
1 September 1939
1945-08-10
August 1945
December 8, 1941
December 1941
June 1941
June 1937
3 September 1939
Natural Questions answer: 1 September 1939 (from the Wikipedia article "Allies of World War II")