https://www.history.com/this-day-in-history/zimmermann-telegram-published-in-united-states

Nov 5, 2009 ... In the telegram, intercepted and deciphered by British intelligence in January 1917, Zimmermann instructed the ambassador, Count Johann ...

https://www.history.com/news/what-was-the-zimmermann-telegram

May 21, 2014 ... On January 16, 1917, British code breakers intercepted an encrypted message from Zimmermann intended for Heinrich von Eckardt, the ...

https://en.wikipedia.org/wiki/Zimmermann_Telegram

The Zimmermann Telegram was a secret diplomatic communication issued from the German Foreign Office in January 1917 ...

https://www.archives.gov/publications/prologue/2016/winter/zimmermann-telegram

Dec 20, 2017 ... The Zimmermann telegram was intercepted by the British and passed along to the Americans. It helped pressure President Wilson to ask ...

https://www.archives.gov/education/lessons/zimmermann

Apr 25, 2018 ... In January 1917, British cryptographers deciphered a telegram from German Foreign Minister Arthur Zimmermann to the German Minister to ...

https://www.theworldwar.org/explore/centennial-commemoration/us-enters-war/zimmermann-telegram

Learn /; U.S. Enters the War /; Zimmermann Telegram. Zimmermann Telegram ... Months earlier, British intelligence had intercepted a secret message from ...

https://www.britannica.com/event/Zimmermann-Telegram

Intercepted by the British, the note revealed a plan to renew unrestricted ... Zimmermann Telegram, also called Zimmermann Note, coded telegram sent January ...

https://www.bbc.com/news/uk-38581861

Jan 17, 2017 ... The Zimmerman Telegraph alongside the decoding notes ... Thanks to their interception capability process, Britain's code-breakers were ...

https://www.khanacademy.org/humanities/us-history/rise-to-world-power/us-in-wwi/v/zimmermann-telegram

An intercepted telegram between Germany and Mexico led the United States to declare war.

http://www.digitalhistory.uh.edu/disp_textbook.cfm?smtID=3&psid=3900

In March 1917, newspapers published the Zimmerman Note, an intercepted telegram from the German Foreign Secretary Arthur Zimmerman to the German ...