Previous Image Next Image President Franklin D. Roosevelt signing the Declaration of War against Japan, December 8, 1941. 79-AR-82. President Franklin D. Roosevelt signing the Declaration of War against Japan, December 8, 1941. 79-AR-82. Share this:Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)