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President FDR made his final appeal to the Emperor of Japan for peace, but got no reply. Later, the U.S. code-breaking service began to receive a 14-part Japanese message and deciphered the first 13 parts.
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9 a.m. The 14th part of the Japanese message reached Washington D.C., and stated that diplomatic relations with the U.S. were to be broken off.
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183 Japanese planes took off from the carriers located 230 miles north of Oahu and headed for the U.S. Pacific Fleet at Pearl Harbor.
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7:15 a.m. 167 planes took off from the Japanese carriers and headed for Pearl Harbor.
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9:45 a.m. Air raid ends and eight battleships were damaged with five sunk. Three light cruisers, three destroyers, three smaller vessels, and 188 aircraft were lost. The Japanese lost 27 planes and five midget submarines
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7:02 a.m. Two Army operators at a radar station on the northern shore of Oahu detected the Japanese air attack approaching and contacted a junior officer. He disregarded their reports because he though that they were just American B-17 planes that were expected in from the U.S. west coast.
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7:53 a.m. The first Japanese assult wave came in to start the attack with flight commander, Mitsuo Fuchida.
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2:30 p.m. Multiple delays prevented the Japanese diplomats from presenting their war message to the Secretary of State (Cordell Hull) in Washington until this time.
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The United States and Britain declared war on Japan. President Roosevelt called December 7, "a date which will live in infamy..."
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Both senior commanders at Pearl Harbor; Navy Admiral Husband E. Kimmel, and Army Lt. General Walter C. Short, were relieved of their duties following the attack at Pearl Harbor.
