The Attacks on Pearl Harbor
The Events Leading Up to the Attacks
December 6th,President Roosevelt sent his final appeal to the Emperor of Japan for peace. The Japanese ignored our plea for peace. Later the same day the United States code-breaking service intercepted and deciphered thirteen parts of a fourteen part message that was sent from Japan.
Early this morning the United States deciphered the last message sent from Japan. It notified the United States that according to Japan the diplomatic relations with the United States are off. Not long after the United States code-breaking service intercepted another message stating the "main message" was to be delivered to the United States at 1pm.
December 8-17The United States declared war on Japan. In retaliation Germany and Itally declare war on the United States. Admiral Chester W. Nimitz becomes the new commander of the U.S. Pacific Fleet, and both senior commanders at Pearl Harbor, Navy Admiral Husband E. Kimmel and Army Lt Gerneral Walker C. Short, were relived of their duties following the attack.