Singapore and Hong Kong and in part due to Prime Minister Winston Churchill’s pledge to FDR to declare war “within the hour” of any Japanese attack on the United States.

WASHINGTON, Dec. 8, 1941 (UP) -- President Roosevelt today in person asked Congress to declare that "a state of war has existed between the United States and the Japanese Empire" as a result of ...

Roosevelt famously describes the previous day as "a date which will live in infamy." Within an hour of the speech, Congress passed a formal declaration of war against Japan and officially brought ...