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Telegrama Zimmermann

But Room 40 chief William Reginald Hall was reluctant to let it out, because the disclosure would expose the German codes broken in Room 40 and British eavesdropping on the United States cable. Europe, the United States, and the Mexican Revolution. Mexico and the United States, Volume 3.

Mexican President Venustiano Carranza assigned a military commission to assess the feasibility of the Mexican takeover of their former territories contemplated by Germany.

Mexico and the United States in the Oil Controversy, — Finally, zimmrrman copies of the ciphertext would also have been deposited in the records of the American commercial telegraph company, the British had the ability to prove zimkerman authenticity of the message to the United States government. The British knew that the German Embassy in Washington would relay the message by commercial telegraph, so the Mexican telegraph office would have the ciphertext.

All traffic through the Porthcurno relay was copied to British intelligence, in particular to the codebreakers and analysts in Room 40 at the Admiralty. Page then reported the story to President Woodrow Wilsonincluding details to be verified from telegraph company files in the United States. However, once the Zimmermann note was public, Wilson called for arming the merchant ships, but anti-war elements zlmmerman the United States Senate blocked his proposal.


Retrieved 14 August Retrieved 27 July Wilson released the text to the media on 28 February Articles needing additional references from January All articles needing additional references All articles with unsourced statements Articles with unsourced statements from May Articles lacking in-text citations zjmmerman July All articles lacking in-text citations Commons category link from Wikidata.

The document is believed to be the actual telegram shown to the American ambassador in London in At worst, the Germans might have realized that tflegrama code had been compromised, but weighed against the possibility of United States entry into the war, that was a risk worth taking. Both cables passed through a relay station at Porthcurnonear Land’s Endthe westernmost tip of England. Besides the highly provocative war proposal to Mexico, the telegram also mentioned “ruthless employment of our submarines”.

This section does not cite any sources. Mexico and Its Heritage. However, the United States allowed limited use of its diplomatic cables with Germany to communicate with its ambassador in Washington.

Telegrama Zimmermann – Wikisource

University of Texas Press. The Secret War in Mexico: The Japanese government later released a statement that Japan was not interested in changing sides and attacking America. For the ell story, the British obtained the ciphertext of the telegram from the Mexican commercial telegraph office.


Wilson had previously refused to assign US Navy crews and guns to the merchant ships.

Criptograma de la Primera Guerra Mundial

US Naval Institute Press. Eckardt indignantly rejected these accusations, and the Foreign Office eventually declared the embassy exonerated.

Retrieved from ” https: Pershing had long been chasing the revolutionary Pancho Villa and carried out several cross-border raids.

Archived from the original PDF on September 2, The Oxford History of Mexico. Boghardt, Thomas November Bell was at first incredulous and thought it to be a forgery. Since the public had been told zimmetman that the telegram had been stolen in a deciphered form in Mexico, the message was widely believed at first to be an elaborate forgery perpetrated by British intelligence.

Moreover, the retransmission was enciphered using the older cipherso by mid-February the British had not only the complete text, but also the ability to release the telegram without revealing the extent to which the latest German codes had been broken.

News of the telegram further inflamed tensions between the United States and Mexico.