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  2. Zimmermann telegram - Wikipedia

    en.wikipedia.org/wiki/Zimmermann_Telegram

    The Zimmermann telegram (or Zimmermann note or Zimmermann cable) was a secret diplomatic communication issued from the German Foreign Office on January 17, 1917, that proposed a military contract between the German Empire and Mexico if the United States entered World War I against Germany.

  3. Mailgram - Wikipedia

    en.wikipedia.org/wiki/Mailgram

    Western Union invented the mailgram in 1970 and registered the trademark "Mailgram". [2] Service via Westar , Western Union's own communications satellite , was introduced in 1974. The advantage of mailgrams over postal mail is speed and verifiability of transmission.

  4. Germany–Mexico relations - Wikipedia

    en.wikipedia.org/wiki/Germany–Mexico_relations

    In January 1917, British agents intercepted a telegram sent to German Ambassador to Mexico Heinrich von Eckardt by Arthur Zimmermann, State Secretary for Foreign Affairs of the German Empire. In the telegram, Germany proposed to Mexico that if the United States were to join the war, Mexico should join and side with the Central Powers.

  5. Remembering how Western Union once was a crucial ... - AOL

    www.aol.com/remembering-western-union-once...

    I was introduced to Western Union by Dan Magill who used the service to communicate with newspapers across the state, especially the Atlanta Journal. Remembering how Western Union once was a ...

  6. United States involvement in the Mexican Revolution - Wikipedia

    en.wikipedia.org/wiki/United_States_involvement...

    Germany sent a telegram in code outlining a plan to aid Mexico in such a conflict and Mexico's reward would be to regain land lost to the U.S. in the Mexican American War (1846–48). The Zimmermann Telegram was intercepted and decoded by the British and given to Wilson, who then made public. Carranza, whose faction had benefited from U.S ...

  7. World War I cryptography - Wikipedia

    en.wikipedia.org/wiki/World_War_I_cryptography

    The decoding by British Naval intelligence of the Zimmermann telegram helped bring the United States into the war. Trench codes were used by field armies of most of the combatants (Americans, British, French, German) in World War I. [1] The most commonly used codes were simple substitution ciphers. More important messages generally used ...

  8. Unrestricted submarine warfare - Wikipedia

    en.wikipedia.org/wiki/Unrestricted_submarine_warfare

    Germany's resumption of unrestricted submarine warfare in February 1917, together with the Zimmermann Telegram, brought American entry into World War I on the British side. The Battle of the Atlantic during World War II.

  9. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!