The Zimmerman Telegram (Encore)
Everything Everywhere Daily
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The History of the United States in World War I
In 1917, the German diplomatic service needed to send a message to their embassy in Mexico. The Germans gave an encoded message to the Americans to be passed along to their Embassy in Mexico City. It was sent on January 16, 1917 and had the potential to completely change the course of the war. Unbeknownst to the Germans, Room 40 at the British Admiralty had been decrypting most German-coded messages for the majority of the World War I. They had gotten their hands on many of the codes which the Germans had used from allies and from captured documents around the world. In the event of this not succeeding, we make Mexico a proposal of alliance on the following basis. Make
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