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.archives.gov/education/lessons/zimmermann/decoding-activity.html

Nov 29, 2017 ... In this exercise, students decode a fictitious message using a simple substitution code. It supports learning about the Zimmermann Telegram.

https://hackaday.com/2017/01/26/the-zimmermann-telegram/

Jan 26, 2017 ... Decoding the Zimmermann telegram is perhaps the most significant intelligence .... The process was more akin to solving a word puzzle than ...

https://www.youtube.com/watch?v=KKhgrCDkm0s

Nov 16, 2014 ... Subscribe to BBC News www.youtube.com/bbcnews Subscribe to BBC News HERE http://bit.ly/1rbfUog A decrypted German telegram ...

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.

https://medium.com/lapsed-historian/breaking-the-zimmermann-telegram-b34ed1d73614

Jan 18, 2018 ... Zimmermann's telegram was intended to lay the groundwork for the ... One of the regular problems with good intelligence was working out how ...

https://www.ourdocuments.gov/doc.php?doc=60

This telegram, written by German Foreign Secretary Arthur Zimmermann, is a coded message sent to Mexico, proposing a military alliance against the United ...

https://www.researchgate.net/publication/303083858_The_Zimmermann_Telegram_How_to_Make_Use_of_Secrets

May 14, 2016 ... The point of the departure is the so-called Zimmermann Telegram which ... procedure that was also of help to Admiral Hall to solve his problem.

https://www.nsa.gov/Portals/70/documents/news-features/declassified-documents/cryptologic-quarterly/the_zimmermann_telegram.pdf

the Zimmermann Telegram, so named because its author ... gation as to how the top secret, coded telegram ... lems to be solved before the message could be.

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

May 21, 2014 ... Most historians agree that American involvement in World War I was inevitable by early 1917, but the march to war was no doubt accelerated ...