James Gadsden
E170918
James Gadsden was a 19th-century American diplomat and soldier best known for negotiating the Gadsden Purchase, which secured land from Mexico for the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| James Gadsden canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T536489 — 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: James Gadsden Context triple: [Gadsden County, Florida, namedAfter, James Gadsden]
-
A.
William Jackson
William Jackson was an American soldier and statesman best known for serving as the secretary to the 1787 United States Constitutional Convention.
-
B.
Isaac Hull Adams
Isaac Hull Adams was a 19th-century member of the prominent Adams family of Massachusetts, descended from the American presidential Adams line.
-
C.
William H. Winder
William H. Winder was a U.S. Army brigadier general during the War of 1812, best known for his controversial leadership in the failed defense of Washington, D.C. against British forces.
-
D.
James Pinckney Henderson
James Pinckney Henderson was an American lawyer, diplomat, and statesman who played a key role in the annexation of Texas and became a prominent political leader in the mid-19th century.
-
E.
Charles F. Brannan
Charles F. Brannan was a mid-20th-century U.S. Secretary of Agriculture known for advocating progressive farm policies and New Deal–style agricultural reforms.
- 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: James Gadsden Target entity description: James Gadsden was a 19th-century American diplomat and soldier best known for negotiating the Gadsden Purchase, which secured land from Mexico for the United States.
-
A.
William Jackson
William Jackson was an American soldier and statesman best known for serving as the secretary to the 1787 United States Constitutional Convention.
-
B.
Isaac Hull Adams
Isaac Hull Adams was a 19th-century member of the prominent Adams family of Massachusetts, descended from the American presidential Adams line.
-
C.
William H. Winder
William H. Winder was a U.S. Army brigadier general during the War of 1812, best known for his controversial leadership in the failed defense of Washington, D.C. against British forces.
-
D.
James Pinckney Henderson
James Pinckney Henderson was an American lawyer, diplomat, and statesman who played a key role in the annexation of Texas and became a prominent political leader in the mid-19th century.
-
E.
Charles F. Brannan
Charles F. Brannan was a mid-20th-century U.S. Secretary of Agriculture known for advocating progressive farm policies and New Deal–style agricultural reforms.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
American diplomat
ⓘ
human ⓘ politician ⓘ soldier ⓘ |
| appointedBy | Franklin Pierce ⓘ |
| burialPlace | St. Philip's Churchyard, Charleston, South Carolina ⓘ |
| conflict |
First Seminole War
ⓘ
Second Seminole War ⓘ War of 1812 ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| countryRepresented | United States of America ⓘ |
| dateOfBirth | 1788-05-15 ⓘ |
| dateOfDeath | 1858-12-25 ⓘ |
| educatedAt |
Yale College (attended, did not graduate)
ⓘ
surface form:
Yale University (attended but did not graduate)
|
| endTime | 1856-04-25 ⓘ |
| era | 19th century ⓘ |
| familyName |
Gadsden, Alabama
ⓘ
surface form:
Gadsden
|
| fullName | James Gadsden self-link ⓘ |
| givenName | James ⓘ |
| ideology | pro-slavery Southern expansionism ⓘ |
| knownFor | negotiating the Gadsden Purchase treaty with Mexico ⓘ |
| languageSpoken | English ⓘ |
| memberOf |
Democratic Party
ⓘ
surface form:
Democratic Party (United States)
|
| militaryBranch | United States Army ⓘ |
| militaryRank | colonel ⓘ |
| negotiatedWith | Antonio López de Santa Anna ⓘ |
| notableWork |
Gadsden Purchase agreement
ⓘ
surface form:
Gadsden Purchase
|
| occupation |
diplomat
ⓘ
military officer ⓘ railroad executive ⓘ |
| placeOfBirth |
Charleston, South Carolina, United States of America
ⓘ
surface form:
Charleston, South Carolina
|
| placeOfDeath |
Charleston, South Carolina, United States of America
ⓘ
surface form:
Charleston, South Carolina
|
| positionHeld |
United States Ambassador to Mexico
ⓘ
surface form:
United States Minister to Mexico
|
| proposed | acquisition of additional Mexican territory for slaveholding expansion ⓘ |
| purchasedFrom | Mexico ⓘ |
| purposeOfPurchase | facilitate a southern transcontinental railroad route ⓘ |
| relative | Christopher Gadsden ⓘ |
| relativeType | grandson of Christopher Gadsden ⓘ |
| residence |
Charleston, South Carolina, United States of America
ⓘ
surface form:
Charleston, South Carolina
|
| significantEvent | signed the Gadsden Purchase treaty on 1853-12-30 ⓘ |
| startTime | 1853-01-07 ⓘ |
| territoryAcquired |
southern parts of present-day Arizona
ⓘ
southern parts of present-day New Mexico ⓘ |
| workedOn | southern transcontinental railroad proposals ⓘ |
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: James Gadsden Description of subject: James Gadsden was a 19th-century American diplomat and soldier best known for negotiating the Gadsden Purchase, which secured land from Mexico for the United States.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.