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The Mexican Telegraph Company building in Galveston through which the Zimmermann telegram was relayed [16] The Zimmermann telegram was part of an effort carried out by the Germans to postpone the transportation of supplies and other war materials from the United States to the Allies, which were at war against Germany. [17]
Rev. William Montgomery (1871–1930) was a Presbyterian minister and a British codebreaker who worked in Room 40 during World War I.. Montgomery and Nigel de Grey deciphered the Zimmermann Telegram, which helped bring the U.S. into World War I.
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 ...
Alfred Dillwyn "Dilly" Knox, CMG (23 July 1884 – 27 February 1943) was an English classics scholar and papyrologist at King's College, Cambridge and a codebreaker.As a member of the Room 40 codebreaking unit he helped decrypt the Zimmermann Telegram which brought the USA into the First World War. [1]
Zimmermann telegram as decoded by Room 40 in 1917. Room 40 played an important role in several naval engagements during the war, notably in detecting major German sorties into the North Sea. The battle of Dogger Bank was won in no small part due to the intercepts that allowed the Navy to position its ships in the right place. "Warned of a new ...
Arthur Zimmermann (5 October 1864 – 6 June 1940) was State Secretary for Foreign Affairs of the German Empire from 22 November 1916 until his resignation on 6 August 1917. His name is associated with the Zimmermann Telegram during World War I .
In late February, the U.S. public learned of the Zimmermann Telegram, a secret diplomatic communication in which Germany sought to convince Mexico to join it in a war against the United States. [66] Wilson's reaction after consulting the Cabinet and with Congress was a minimal one—that diplomatic relations with the Germans be brought to a halt.
The decryption of the Zimmermann Telegram was described as the most significant intelligence triumph for Britain during World War I, [1] and one of the earliest occasions on which a piece of signals intelligence influenced world events. [2] The Imperial War Cabinet was the British Empire's wartime coordinating body.