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United States declaration of war on Italy

On December 11, 1941, in response to the Italian declaration of war on the United States, four days following the Japanese surprise attack on Pearl Harbor, and three days after the United States declaration of war on the Empire of Japan, the United States Congress passed the Joint Resolution Declaring That a State of War Exists Between The Government of Italy and the Government and the People of the United States and Making Provisions to Prosecute the Same, thereby declaring war against Italy. It also declared war upon Germany that same day. The vote was 90-0 in the Senate and 399-0 in the House.[1][2]

Long title

Joint Resolution Declaring that a state of war exists between the Government of Italy and the Government and the people of the United States and making provision to prosecute the same

December 11, 1941

Pub. L.Tooltip Public Law (United States) 77–332

Arcadia Conference

Declarations of war during World War II

Diplomatic history of World War II

Kellogg–Briand Pact

United States declaration of war on Japan

United States declaration of war upon Germany (1941)