United States Ambassador to Iran
E253702
The United States Ambassador to Iran was the chief diplomatic representative of the U.S. government in Iran, responsible for managing bilateral relations and representing American interests before formal diplomatic ties were severed in 1980.
All labels observed (2)
| Label | Occurrences |
|---|---|
| United States Ambassador to Iran canonical | 2 |
| U.S. Ambassador to Iran | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2296427 — 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: United States Ambassador to Iran Context triple: [Selden Chapin, positionHeld, United States Ambassador to Iran]
-
A.
United States Ambassador
The United States Ambassador is the chief diplomatic representative of the U.S. government to a foreign country or international organization, responsible for managing bilateral relations and representing American interests abroad.
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B.
United States Ambassador to Iraq
The United States Ambassador to Iraq is the chief diplomatic representative of the U.S. government in Iraq, responsible for managing bilateral relations, overseeing the embassy, and advancing American foreign policy interests in the country.
-
C.
United States Ambassador to Israel
The United States Ambassador to Israel is the chief diplomatic representative of the U.S. government in Israel, responsible for managing bilateral relations and overseeing the American embassy there.
-
D.
United States Minister to Russia
The United States Minister to Russia was a 19th-century diplomatic post representing American interests and conducting official relations with the Russian Empire.
-
E.
United States Ambassador to the Soviet Union
The United States Ambassador to the Soviet Union was the chief American diplomatic representative in Moscow, responsible for managing U.S.–Soviet relations during the existence of the USSR.
- 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: United States Ambassador to Iran Target entity description: The United States Ambassador to Iran was the chief diplomatic representative of the U.S. government in Iran, responsible for managing bilateral relations and representing American interests before formal diplomatic ties were severed in 1980.
-
A.
United States Ambassador
The United States Ambassador is the chief diplomatic representative of the U.S. government to a foreign country or international organization, responsible for managing bilateral relations and representing American interests abroad.
-
B.
United States Ambassador to Iraq
The United States Ambassador to Iraq is the chief diplomatic representative of the U.S. government in Iraq, responsible for managing bilateral relations, overseeing the embassy, and advancing American foreign policy interests in the country.
-
C.
United States Ambassador to Israel
The United States Ambassador to Israel is the chief diplomatic representative of the U.S. government in Israel, responsible for managing bilateral relations and overseeing the American embassy there.
-
D.
United States Minister to Russia
The United States Minister to Russia was a 19th-century diplomatic post representing American interests and conducting official relations with the Russian Empire.
-
E.
United States Ambassador to the Soviet Union
The United States Ambassador to the Soviet Union was the chief American diplomatic representative in Moscow, responsible for managing U.S.–Soviet relations during the existence of the USSR.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
ambassadorial position
ⓘ
diplomatic office ⓘ |
| appointedBy | President of the United States ⓘ |
| associatedWithEvent |
Iranian Revolution
ⓘ
surface form:
1979 Iranian Revolution
Iran hostage crisis ⓘ |
| confirmedBy | United States Senate ⓘ |
| country | United States of America ⓘ |
| currentRepresentationMechanism |
United States–Switzerland relations
ⓘ
surface form:
Swiss protecting power in Iran for U.S. interests
|
| diplomaticRank | Ambassador Extraordinary and Plenipotentiary ⓘ |
| duty |
manage bilateral relations between the United States and Iran
ⓘ
negotiate with the government of Iran on behalf of the United States ⓘ oversee consular services in Iran ⓘ promote U.S. foreign policy objectives in Iran ⓘ protect U.S. citizens in Iran ⓘ report on political and economic developments in Iran to the U.S. government ⓘ represent United States interests in Iran ⓘ |
| formation |
19th century
ⓘ
United States diplomatic relations with Persia ⓘ |
| hasLanguageRequirement | English ⓘ |
| insignia | Seal of the United States Department of State ⓘ |
| insigniaUsedFor | official representations of the office ⓘ |
| jurisdiction |
Imperial State of Iran
ⓘ
Iran ⓘ
surface form:
Islamic Republic of Iran
|
| lastHolder | William H. Sullivan ⓘ |
| lastHolderEndOfTenure | 1980 ⓘ |
| lastHolderTitle |
United States Ambassador to Iran
self-linksurface differs
ⓘ
surface form:
U.S. Ambassador to Iran
|
| locatedInTheAdministrativeTerritorialEntity | Tehran ⓘ |
| nativeCountry | United States of America ⓘ |
| notableHolder |
Armin H. Meyer
ⓘ
Douglas MacArthur II ⓘ Richard Helms ⓘ William H. Sullivan ⓘ |
| officeAbolishedDeFacto | 1980 ⓘ |
| officeType | bilateral ambassadorial post ⓘ |
| partOf |
United States Foreign Service
ⓘ
U.S. embassies ⓘ
surface form:
United States diplomatic missions
|
| predecessorOffice | United States Minister to Persia ⓘ |
| reasonForVacancy | severance of formal diplomatic relations between the United States and Iran in 1980 ⓘ |
| reportsTo |
United States Department of State
ⓘ
United States Secretary of State ⓘ |
| residence | Tehran ⓘ |
| role |
chief diplomatic representative of the United States in Iran
ⓘ
head of the United States diplomatic mission in Iran ⓘ |
| seat |
U.S. Embassy in Tehran
ⓘ
surface form:
United States Embassy in Tehran
|
| status | position vacant since 1980 ⓘ |
| terminatedBy |
Iran hostage crisis
ⓘ
severance of diplomatic relations by the United States on April 7, 1980 ⓘ |
| toCountry | Iran ⓘ |
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: United States Ambassador to Iran Description of subject: The United States Ambassador to Iran was the chief diplomatic representative of the U.S. government in Iran, responsible for managing bilateral relations and representing American interests before formal diplomatic ties were severed in 1980.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
United States Ambassador to Iran
→
lastHolderTitle
→
United States Ambassador to Iran
self-linksurface differs
ⓘ
this entity surface form:
U.S. Ambassador to Iran