The Zimmermann Telegram
E509631
The Zimmermann Telegram was a secret 1917 German diplomatic message proposing a military alliance with Mexico against the United States during World War I, whose interception helped draw the U.S. into the conflict.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Zimmermann Telegram | 1 |
| Zimmermann Telegram interception | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
diplomatic telegram
ⓘ
historical document ⓘ primary source ⓘ |
| alternativeName | Zimmermann Note NERFINISHED ⓘ |
| archivedAt |
German Foreign Office archives
NERFINISHED
ⓘ
The National Archives (United Kingdom) NERFINISHED ⓘ |
| author | Arthur Zimmermann NERFINISHED ⓘ |
| codeType | German diplomatic code 13040 ⓘ |
| confirmedBy | Arthur Zimmermann NERFINISHED ⓘ |
| context | World War I NERFINISHED ⓘ |
| countryOfOrigin | German Empire NERFINISHED ⓘ |
| dateIntercepted | 1917-01-16 ⓘ |
| dateMadePublic | 1917-03-01 ⓘ |
| dateOfRelatedEvent | 1917-04-06 ⓘ |
| dateSent | 1917-01-16 ⓘ |
| decryptedBy |
Nigel de Grey
NERFINISHED
ⓘ
William Montgomery NERFINISHED ⓘ |
| effect |
increased anti-German sentiment in the United States
ⓘ
influenced U.S. decision to enter World War I ⓘ |
| goal | to form a German-Mexican alliance if the United States entered World War I against Germany ⓘ |
| historicalSignificance |
example of signals intelligence impact on diplomacy
ⓘ
key factor in shifting U.S. public opinion toward war ⓘ |
| interceptedBy |
British intelligence
NERFINISHED
ⓘ
Room 40 NERFINISHED ⓘ |
| language | German ⓘ |
| locationOfInterception | British Admiralty NERFINISHED ⓘ |
| medium | encrypted cable message ⓘ |
| namedAfter | Arthur Zimmermann NERFINISHED ⓘ |
| placeIntendedEffect |
Mexico
NERFINISHED
ⓘ
United States NERFINISHED ⓘ |
| promise |
support for Mexico to regain Arizona
ⓘ
support for Mexico to regain New Mexico ⓘ support for Mexico to regain Texas ⓘ |
| proposedActionByGermany | provide financial support to Mexico ⓘ |
| proposedActionByMexico | declare war on the United States ⓘ |
| proposedAllianceWith | Mexico NERFINISHED ⓘ |
| proposedCondition | U.S. entry into war against Germany ⓘ |
| proposedMilitaryActionAgainst | United States NERFINISHED ⓘ |
| publishedIn | American newspapers ⓘ |
| recipient |
German ambassador to Mexico
ⓘ
Heinrich von Eckardt NERFINISHED ⓘ |
| relatedEvent | United States declaration of war on Germany ⓘ |
| revealedTo | United States government NERFINISHED ⓘ |
| sender | German Foreign Office NERFINISHED ⓘ |
| subjectOf |
books
ⓘ
documentaries ⓘ historical research ⓘ |
| transmissionRoute | via transatlantic cable ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Zimmermann Telegram
this entity surface form:
Zimmermann Telegram interception