55 Stat. 797
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
Whereas the Government of Italy has formally declared war against the Government and the people of the United States of America
Therefore be it
Resolved by the Senate and House of Representatives of the United States of America in Congress assembled, That the state of war between the United States and the Government of Italy which has thus been thrust upon the United States is hereby formally declared; and the President is hereby authorized and directed to employ the entire naval and military forces of the United States and the resources of the Government to carry on war against the Government of Italy; and, to bring the conflict to a successful termination, all of the resources of the country are hereby pledged by the Congress of the United States.
Approved, December 11, 1941, 3:06 p.m., E. S. T.
(PEACE AND WAR, UNITED STATES FOREIGN POLICY 1931-1941, UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON: 1943)