When did Brazil enter World War 2?

Answer 1

Essentially, Brazil tried to maintain a neutral stance during the first years of the War. Given the strong Immigration from German, Japanese and Italian nationals to Brazil during late 1800's in some areas the population was supportive to the Axis.

However, after the sinking of several Brazilian merchant ships by German submarines local pressure increased substantially and the government reviewed its position declaring war on Germany and its allies in January 1942.

From mid 1944 onwards Brazil had troops and a flight squadron operating in Why_was_Brazil_involved_in_World_War_2soil, supporting the American army in their operations in Italy.

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Answer 2

In 1941, in response to the Pearl Harbor attack by the Japanese.