TheCodeBreakers
American relations and to preserve and promote the peace of
the Pacific through cooperation with the American
Government has finally been lost.
The Japanese Government regrets to have to notify hereby
the American Government that in view of the attitude of the
American Government it cannot but consider that it is
impossible to reach an agreement through further
negotiations*
December 7, 1941.
The last page of the Japanese note as typed by First Secretary Katzuso Okwnura and
handed to Secretary of State Cordell Hull while Pearl Harbor was being attacked
The O.N.I. translator noted that "as far as I can recollect, no such
Weather forecast has ever been made before" and that "it may be some
sort of code." It was the long-awaited winds code execute, apparently
sent indicating war with Britain to make sure that some Japanese
outpost that had not reported destroying its codes by the codeword
HARUNA Would burn them.