John L. Sullivan
E454390
John L. Sullivan was a legendary 19th-century American heavyweight boxer, often regarded as the last bare-knuckle champion and one of the first sports celebrities in the United States.
All labels observed (2)
| Label | Occurrences |
|---|---|
| John L. Sullivan canonical | 8 |
| John L. Sullivan IV | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4569280 — 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: John L. Sullivan Context triple: [Sullivan, hasNotableBearer, John L. Sullivan]
-
A.
John L. Sullivan
John L. Sullivan was an American government official who served in senior defense leadership roles during the mid-20th century.
-
B.
Joseph "Sport" Sullivan
Joseph "Sport" Sullivan was a Boston-based professional gambler best known for helping to orchestrate the fixing of the 1919 World Series in the Black Sox Scandal.
-
C.
Jack Dempsey
Jack Dempsey was a legendary American heavyweight boxing champion of the 1910s and 1920s, famed for his aggressive, power-punching style and major influence on later fighters.
-
D.
James J. Braddock
James J. Braddock was an American heavyweight boxing champion of the 1930s whose underdog comeback during the Great Depression earned him the nickname "Cinderella Man."
-
E.
Max Baer Sr.
Max Baer Sr. was an American heavyweight boxing champion of the 1930s, known for his powerful punching and charismatic personality.
- 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: John L. Sullivan Target entity description: John L. Sullivan was a legendary 19th-century American heavyweight boxer, often regarded as the last bare-knuckle champion and one of the first sports celebrities in the United States.
-
A.
John L. Sullivan
John L. Sullivan was an American government official who served in senior defense leadership roles during the mid-20th century.
-
B.
Joseph "Sport" Sullivan
Joseph "Sport" Sullivan was a Boston-based professional gambler best known for helping to orchestrate the fixing of the 1919 World Series in the Black Sox Scandal.
-
C.
Jack Dempsey
Jack Dempsey was a legendary American heavyweight boxing champion of the 1910s and 1920s, famed for his aggressive, power-punching style and major influence on later fighters.
-
D.
James J. Braddock
James J. Braddock was an American heavyweight boxing champion of the 1930s whose underdog comeback during the Great Depression earned him the nickname "Cinderella Man."
-
E.
Max Baer Sr.
Max Baer Sr. was an American heavyweight boxing champion of the 1930s, known for his powerful punching and charismatic personality.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
heavyweight boxer
ⓘ
human ⓘ professional boxer ⓘ world heavyweight boxing champion ⓘ |
| activeYearsEnd | 1890s ⓘ |
| activeYearsStart | 1870s ⓘ |
| burialPlace | Old Calvary Cemetery, Boston, Massachusetts, United States ⓘ |
| causeOfDeath | heart disease ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| culturalSignificance | early icon of American masculinity and popular culture ⓘ |
| dateOfBirth | 1858-10-15 ⓘ |
| dateOfDeath | 1918-02-02 ⓘ |
| describedBySource | 19th-century American newspapers ⓘ |
| era | 19th century ⓘ |
| ethnicOrigin | Irish-American ⓘ |
| familyName | Sullivan ⓘ |
| fought |
Charley Mitchell
ⓘ
Jake Kilrain ⓘ James J. Corbett ⓘ Paddy Ryan ⓘ |
| fullName | John Lawrence Sullivan ⓘ |
| givenName | John ⓘ |
| hallOfFame |
International Boxing Hall of Fame
ⓘ
Ring Magazine Hall of Fame ⓘ
linked to:
The Ring magazine
|
| hasNotableStyle |
aggressive punching power
ⓘ
bare-knuckle prizefighting ⓘ |
| influenced |
Jack Dempsey
ⓘ
Jack Johnson ⓘ James J. Jeffries ⓘ |
| knownFor |
being one of the first American sports celebrities
ⓘ
being the first gloved world heavyweight champion under the Marquess of Queensberry Rules ⓘ being the last bare-knuckle heavyweight champion under London Prize Ring Rules ⓘ |
| languageOfWorkOrName | English ⓘ |
| lostTitleTo | James J. Corbett ⓘ |
| name | John L. Sullivan ⓘ |
| nickname | The Boston Strong Boy ⓘ |
| notableEvent |
defeated Jake Kilrain in a 75-round bare-knuckle fight in 1889
ⓘ
lost to James J. Corbett in 1892 in one of the first major gloved heavyweight title fights ⓘ |
| occupation |
boxer
ⓘ
public speaker ⓘ saloon keeper ⓘ |
| placeOfBirth |
Boston, Massachusetts, United States
ⓘ
linked to:
Boston, Massachusetts
|
| placeOfDeath |
Abington, Massachusetts, United States
ⓘ
linked to:
Abington, Massachusetts
|
| religion | Roman Catholicism ⓘ |
| residence |
Boston, Massachusetts, United States
ⓘ
linked to:
Boston, Massachusetts
|
| sexOrGender | male ⓘ |
| sport | boxing ⓘ |
| weightClass | heavyweight ⓘ |
| wonTitleFrom | Paddy Ryan ⓘ |
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: John L. Sullivan Description of subject: John L. Sullivan was a legendary 19th-century American heavyweight boxer, often regarded as the last bare-knuckle champion and one of the first sports celebrities in the United States.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.