when did the united states declare war on germany
United States declaration of war upon Germany (1941) President Roosevelt signing the declaration of war against Germany. Senator Tom Connally stands by holding a watch to fix the exact time of the declaration. On December 11, 1941, the United States Congress declared war upon Germany (Pub.L. 77â331, Sess. 1, ch. 564, 55 Stat. 796), hours after Germany declared war on the United States after the Japanese attack on Pearl Harbor. The vote was 88â0 in the Senate and 393â0 in the House. Seventy-Seventh Congress of the United States of America; At the First Session Begun and held at the City of Washington, on Friday, the third day of January, 1942.