Charles H. Buchanan
E463548
Charles H. Buchanan was the Louisville, Kentucky real estate agent whose challenge to a racially discriminatory housing ordinance led to the landmark 1917 U.S. Supreme Court case Buchanan v. Warley.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Charles H. Buchanan canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4639982 — 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: Charles H. Buchanan Context triple: [Buchanan v. Warley, respondent, Charles H. Buchanan]
-
A.
John Taylor Johnston
John Taylor Johnston was a 19th-century American businessman and arts patron who served as the first president of the Metropolitan Museum of Art and played a key role in its early development.
-
B.
Henry B. Carrington
Henry B. Carrington was a U.S. Army officer and frontier commander best known for leading forces during Red Cloud's War in the 1860s.
-
C.
John A. Rawlins
John A. Rawlins was a Union Army general and close confidant of Ulysses S. Grant who played a key role in Civil War military administration and later served in Grant’s presidential cabinet.
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D.
Franklin Buchanan
Franklin Buchanan was a prominent 19th-century American naval officer who became the Confederacy’s most famous admiral, best known for commanding the ironclad CSS Virginia during the American Civil War.
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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: Charles H. Buchanan Target entity description: Charles H. Buchanan was the Louisville, Kentucky real estate agent whose challenge to a racially discriminatory housing ordinance led to the landmark 1917 U.S. Supreme Court case Buchanan v. Warley.
-
A.
John Taylor Johnston
John Taylor Johnston was a 19th-century American businessman and arts patron who served as the first president of the Metropolitan Museum of Art and played a key role in its early development.
-
B.
Henry B. Carrington
Henry B. Carrington was a U.S. Army officer and frontier commander best known for leading forces during Red Cloud's War in the 1860s.
-
C.
John A. Rawlins
John A. Rawlins was a Union Army general and close confidant of Ulysses S. Grant who played a key role in Civil War military administration and later served in Grant’s presidential cabinet.
-
D.
Franklin Buchanan
Franklin Buchanan was a prominent 19th-century American naval officer who became the Confederacy’s most famous admiral, best known for commanding the ironclad CSS Virginia during the American Civil War.
-
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 (21)
| Predicate | Object |
|---|---|
| instanceOf |
United States Supreme Court case
ⓘ
city ⓘ person ⓘ real estate agent ⓘ |
| country | United States of America ⓘ |
| court | Supreme Court of the United States ⓘ |
| decisionDate | 1917 ⓘ |
| defendant | William Warley NERFINISHED ⓘ |
| fieldOfWork | real estate ⓘ |
| held | racially based residential segregation ordinances unconstitutional ⓘ |
| legalAction | challenged racially discriminatory housing ordinance in Louisville, Kentucky ⓘ |
| legalSubject | racially discriminatory housing ordinance ⓘ |
| location | Louisville, Kentucky NERFINISHED ⓘ |
| notableAs | landmark civil rights case ⓘ |
| notableFor | Buchanan v. Warley NERFINISHED ⓘ |
| occupation | real estate agent ⓘ |
| opposed | racially discriminatory housing ordinance ⓘ |
| placeOfActivity | Louisville, Kentucky NERFINISHED ⓘ |
| plaintiff | Charles H. Buchanan NERFINISHED ⓘ |
| residence | Louisville, Kentucky NERFINISHED ⓘ |
| roleInEvent | plaintiff in Buchanan v. Warley ⓘ |
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: Charles H. Buchanan Description of subject: Charles H. Buchanan was the Louisville, Kentucky real estate agent whose challenge to a racially discriminatory housing ordinance led to the landmark 1917 U.S. Supreme Court case Buchanan v. Warley.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.