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Zimmermann Telegram of January 16 1917 and Its Cryptographic Background (Cryptographic Series)
Zimmermann Telegram of January 16 1917 and Its Cryptographic Background - Cryptographic Series Author:William Friedman This is the U.S. Government's official story of the Zimmermann Telegram. This book, classified CONFIDENTIAL even 45 years after World War I, is now unclassified -- and available to historians and scholars. The secret "breaking" of the German diplomatic code by British cryptanalysts caused a momentous bombshell which exploded in the Ameri... more »can press on the morning of March 1, 1917. Result: the U.S. entered into WW I.« less