President Franklin D. Roosevelt delivers the "Day of Infamy" speech to a joint session of Congress on December 8, 1941, the day after Japan attacked Pearl Harbor. [FDR Library, National Archives]
President Roosevelt signs the Declaration of War against Germany on December 11, 1941. Behind him are (L-R): Senator Alben Barkley (KY), Senator Carter Glass (VA), Representative Joseph Martin (MA), and Senator Thomas Connally (TX). [Library of Congress]
Winston Churchill, Prime Minister of Great Britain, addresses a joint session of Congress in the Senate Chamber on December 26, 1941. [Senate Historical Office]