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.

All labels observed (4)

Label Occurrences
Zimmermann Telegram 3
The Zimmermann Telegram canonical 2
Zimmermann Note 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf diplomatic telegram ⓘ
historical document ⓘ
primary source ⓘ
alternativeName Zimmermann Note ⓘ
archivedAt German Foreign Office archives ⓘ
The National Archives (United Kingdom) ⓘ
author Arthur Zimmermann ⓘ
codeType German diplomatic code 13040 ⓘ
confirmedBy Arthur Zimmermann ⓘ
context World War I ⓘ
countryOfOrigin German Empire ⓘ
dateIntercepted 1917-01-16 ⓘ
dateMadePublic 1917-03-01 ⓘ
dateOfRelatedEvent 1917-04-06 ⓘ
dateSent 1917-01-16 ⓘ
decryptedBy Nigel de Grey ⓘ
William Montgomery ⓘ
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 ⓘ
Room 40 ⓘ
language German ⓘ
locationOfInterception British Admiralty ⓘ
medium encrypted cable message ⓘ
namedAfter Arthur Zimmermann ⓘ
placeIntendedEffect Mexico ⓘ
United States ⓘ
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 ⓘ
proposedCondition U.S. entry into war against Germany ⓘ
proposedMilitaryActionAgainst United States ⓘ
publishedIn American newspapers ⓘ
recipient German ambassador to Mexico ⓘ
Heinrich von Eckardt ⓘ
relatedEvent United States declaration of war on Germany ⓘ
revealedTo United States government ⓘ
sender German Foreign Office ⓘ
subjectOf books ⓘ
documentaries ⓘ
historical research ⓘ
transmissionRoute via transatlantic cable ⓘ

How these facts were elicited

Referenced by (7)

Full triples — surface form annotated when it differs from this entity's canonical label.

The Guns of August → hasRelatedWork → The Zimmermann Telegram ⓘ
Room 40 → notableEvent → Zimmermann Telegram interception ⓘ
linked to: The Zimmermann Telegram
World War I diplomacy → includesEvent → Zimmermann Telegram ⓘ
linked to: The Zimmermann Telegram
Barbara Tuchman → notableWork → The Zimmermann Telegram ⓘ
Arthur Zimmermann → notableWork → Zimmermann Telegram ⓘ
linked to: The Zimmermann Telegram
Arthur Zimmermann → notableEvent → Zimmermann Telegram ⓘ
linked to: The Zimmermann Telegram
Zimmermann Telegram → alternativeName → Zimmermann Note ⓘ
subject linked to: The Zimmermann Telegram
linked to: The Zimmermann Telegram