U.S. Embassy in Tehran
E519438
The U.S. Embassy in Tehran was the American diplomatic mission in Iran that became internationally infamous as the site where 52 U.S. diplomats and citizens were held hostage from 1979 to 1981.
All labels observed (2)
| Label | Occurrences |
|---|---|
| U.S. Embassy in Tehran canonical | 4 |
| United States Embassy in Tehran | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5435189 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. Embassy in Tehran Context triple: [Iran hostage crisis, location, U.S. Embassy in Tehran]
-
A.
U.S. Embassy in Moscow
The U.S. Embassy in Moscow is the primary diplomatic mission of the United States in Russia, serving as a key center for political reporting, intelligence, and U.S.-Russia relations throughout the 20th and 21st centuries.
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B.
U.S. Embassy Cairo
U.S. Embassy Cairo is the primary diplomatic mission of the United States in Egypt, handling political, economic, consular, and cultural relations between the two countries.
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C.
U.S. Embassy in Beijing
The U.S. Embassy in Beijing is the primary diplomatic mission of the United States in China, serving as a major center for political, economic, and cultural relations between the two countries.
-
D.
U.S. Embassy Berlin
The U.S. Embassy Berlin is the official diplomatic mission of the United States in Germany’s capital, located in the historic government district close to major political and cultural landmarks.
-
E.
Embassy of the United States in Tokyo
The Embassy of the United States in Tokyo is the primary diplomatic mission representing U.S. political, economic, and consular interests in Japan.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: U.S. Embassy in Tehran Target entity description: The U.S. Embassy in Tehran was the American diplomatic mission in Iran that became internationally infamous as the site where 52 U.S. diplomats and citizens were held hostage from 1979 to 1981.
-
A.
U.S. Embassy in Moscow
The U.S. Embassy in Moscow is the primary diplomatic mission of the United States in Russia, serving as a key center for political reporting, intelligence, and U.S.-Russia relations throughout the 20th and 21st centuries.
-
B.
U.S. Embassy Cairo
U.S. Embassy Cairo is the primary diplomatic mission of the United States in Egypt, handling political, economic, consular, and cultural relations between the two countries.
-
C.
U.S. Embassy in Beijing
The U.S. Embassy in Beijing is the primary diplomatic mission of the United States in China, serving as a major center for political, economic, and cultural relations between the two countries.
-
D.
U.S. Embassy Berlin
The U.S. Embassy Berlin is the official diplomatic mission of the United States in Germany’s capital, located in the historic government district close to major political and cultural landmarks.
-
E.
Embassy of the United States in Tokyo
The Embassy of the United States in Tokyo is the primary diplomatic mission representing U.S. political, economic, and consular interests in Japan.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | embassy ⓘ |
| architecturalStyle | modernist ⓘ |
| associatedWith |
Algiers Accords
NERFINISHED
ⓘ
Ayatollah Ruhollah Khomeini NERFINISHED ⓘ Iranian Revolution NERFINISHED ⓘ Jimmy Carter administration NERFINISHED ⓘ Mohammad Reza Pahlavi NERFINISHED ⓘ |
| closureDate | 1980 ⓘ |
| country | United States of America ⓘ |
| currentUse |
compound controlled by Iranian authorities
ⓘ
site of anti-American murals ⓘ |
| dateOfEvent | 1979-11-04 ⓘ |
| diplomaticRelationsBroken | 1980-04-07 ⓘ |
| event | Iran hostage crisis NERFINISHED ⓘ |
| function |
conduct diplomatic relations with Iran
ⓘ
provide consular services ⓘ represent United States government in Iran ⓘ |
| governingBodyAtTimeOfCrisis | United States Department of State NERFINISHED ⓘ |
| historicalEra |
Cold War
ⓘ
post-Iranian Revolution period ⓘ |
| hostageCount | 52 ⓘ |
| hostageCrisisDuration | 444 days ⓘ |
| hostageCrisisEnd | 1981-01-20 ⓘ |
| hostageCrisisStart | 1979-11-04 ⓘ |
| legalFrameworkForHostageRelease | Algiers Accords of 1981 NERFINISHED ⓘ |
| location |
Iran
NERFINISHED
ⓘ
Tehran NERFINISHED ⓘ |
| mediaDepiction |
film "Argo"
NERFINISHED
ⓘ
numerous documentaries on Iran hostage crisis ⓘ |
| nickname | Den of Espionage NERFINISHED ⓘ |
| notableBuildingOnSite |
chancery building
ⓘ
communications facilities ⓘ residential quarters ⓘ |
| notableHostageGroup |
U.S. Marine security guards
NERFINISHED
ⓘ
U.S. civilian staff ⓘ U.S. diplomats NERFINISHED ⓘ |
| predecessorFunction | U.S. diplomatic legation in Tehran NERFINISHED ⓘ |
| reasonForSeizure |
demand extradition of the Shah of Iran
ⓘ
protest against U.S. support for Mohammad Reza Pahlavi ⓘ |
| resultOfCrisis |
U.S. economic sanctions on Iran
ⓘ
severance of U.S.–Iran diplomatic relations ⓘ |
| securityFeature | walled compound ⓘ |
| seizedBy |
Iranian student militants
ⓘ
supporters of the Iranian Revolution ⓘ |
| status | closed ⓘ |
| symbolism |
symbol of U.S.–Iran hostility
ⓘ
symbol of post-1979 Iranian revolutionary identity ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: U.S. Embassy in Tehran Description of subject: The U.S. Embassy in Tehran was the American diplomatic mission in Iran that became internationally infamous as the site where 52 U.S. diplomats and citizens were held hostage from 1979 to 1981.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
United States Embassy in Tehran
this entity surface form:
United States Embassy in Tehran