Japan's diplomatic dispatches. May: Japanese Adm. Nomura informs his superiors that he has learned Americans were reading his message traffic. No one in Tokyo believes the code could have been broken. The code is not changed. July: Throughout the summer, Adm. Yamamoto trains his forces and finalizes the planning of the attack on Pearl Harbor. November: Tokyo sends an experienced diplomat to Washington as a special envoy to assist Ambassador Kichisaburo Nomura, who continues to seek a diplomatic solution Nov. 16: Submarines, the first units involved in the attack, depart Japan. Nov. 26: The main body, aircraft carriers and escorts, begin the transit to Hawaii. Night of Dec. 6, Morning of Dec. 7: U.S. intelligence decodes a message pointing to Sunday morning as a deadline for some kind of Japanese action. The message is delivered to the Washington high command more than 4 hours before the attack on Pearl Harbor
gathered in bleak Tankan Bay, where the only signs of human presence were a small concrete pier, a wireless shack, and three fishermen's huts. Snow covered the surrounding hills. In the gray twilight of November 21, the great carrier Zuikaku glided into the remote harbor to complete the roster. The force swung at anchor, awaiting the order to sortie. A few hours later, on November 20 (Washington time), the Japanese ambassador to the United States, Admiral Kichisaburo Nomura, and his newly arrived associate, Saburo Kurusu, presented Japan's ultimatum to Hull. It would have required the United States to reverse its foreign policy, acquiesce in further Japanese conquests, supply Japan with as much oil as she required for them, abandon China, and in effect surrender to international immorality. While Hull began drafting a reply, Tokyo cabled its ambassadors in message 812 that "There are reasons
annaabi.ee 
