William McKinley
E36942
Governor of Ohio
President of the United States
human
lawyer
member of the United States House of Representatives
politician
William McKinley was the 25th president of the United States, best known for leading the nation during the Spanish–American War and overseeing a period of rapid economic growth and American expansionism.
All labels observed (4)
| Label | Occurrences |
|---|---|
| William McKinley canonical | 56 |
| President William McKinley | 7 |
| McKinley | 1 |
| William McKinley, 25th President of the United States | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T123299 — 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: William McKinley Context triple: [Grover Cleveland, succeededByAs24thPresident, William McKinley]
-
A.
Grover Cleveland
Grover Cleveland was the 22nd and 24th president of the United States, known for his integrity, opposition to political corruption, and unique distinction as the only president to serve two nonconsecutive terms during the Gilded Age.
-
B.
Chester A. Arthur
Chester A. Arthur was the 21st president of the United States, best known for his civil service reforms and leadership during the Gilded Age.
-
C.
Theodore Roosevelt
Theodore Roosevelt was the 26th president of the United States, known for his progressive reforms, trust-busting policies, and leadership in conservation and American imperial expansion.
-
D.
Benjamin Harrison
Benjamin Harrison was the 23rd president of the United States, serving from 1889 to 1893 and overseeing key developments in federal economic regulation and tariff policy during the late 19th century.
-
E.
Rutherford B. Hayes
Rutherford B. Hayes was the 19th president of the United States, known for overseeing the end of Reconstruction and the controversial 1876 election that marked a key moment in the Gilded Age.
- 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: William McKinley Target entity description: William McKinley was the 25th president of the United States, best known for leading the nation during the Spanish–American War and overseeing a period of rapid economic growth and American expansionism.
-
A.
Grover Cleveland
Grover Cleveland was the 22nd and 24th president of the United States, known for his integrity, opposition to political corruption, and unique distinction as the only president to serve two nonconsecutive terms during the Gilded Age.
-
B.
Chester A. Arthur
Chester A. Arthur was the 21st president of the United States, best known for his civil service reforms and leadership during the Gilded Age.
-
C.
Theodore Roosevelt
Theodore Roosevelt was the 26th president of the United States, known for his progressive reforms, trust-busting policies, and leadership in conservation and American imperial expansion.
-
D.
Benjamin Harrison
Benjamin Harrison was the 23rd president of the United States, serving from 1889 to 1893 and overseeing key developments in federal economic regulation and tariff policy during the late 19th century.
-
E.
Rutherford B. Hayes
Rutherford B. Hayes was the 19th president of the United States, known for overseeing the end of Reconstruction and the controversial 1876 election that marked a key moment in the Gilded Age.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Governor of Ohio
ⓘ
President of the United States ⓘ human ⓘ lawyer ⓘ member of the United States House of Representatives ⓘ politician ⓘ |
| assassinatedBy | Leon Czolgosz ⓘ |
| burialPlace |
William McKinley Presidential Library and Museum
ⓘ
surface form:
McKinley National Memorial, Canton, Ohio
|
| causeOfDeath | assassination ⓘ |
| conflict | American Civil War ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1843-01-29 ⓘ |
| dateOfDeath | 1901-09-14 ⓘ |
| education |
Albany Law School
ⓘ
Allegheny College ⓘ |
| election |
United States presidential election, 1896
ⓘ
United States presidential election, 1900 ⓘ |
| familyName |
William McKinley
self-linksurface differs
ⓘ
surface form:
McKinley
|
| givenName | William ⓘ |
| mannerOfDeath | homicide ⓘ |
| militaryBranch | Union Army ⓘ |
| militaryRank | brevet major ⓘ |
| notableAchievement |
guided U.S. victory in the Spanish–American War
ⓘ
oversaw annexation of Hawaii ⓘ presided over rapid U.S. economic growth in the late 1890s ⓘ supported American expansionism ⓘ |
| notableWork | leadership of the United States during the Spanish–American War ⓘ |
| occupation |
attorney
ⓘ
public official ⓘ |
| officeEnd | 1901-09-14 ⓘ |
| officeStart | 1897-03-04 ⓘ |
| placeOfBirth | Niles, Ohio ⓘ |
| placeOfDeath |
Buffalo
ⓘ
surface form:
Buffalo, New York
|
| politicalParty | Republican Party ⓘ |
| positionHeld |
25th president of the United States
ⓘ
Governor of Ohio ⓘ member of the U.S. House of Representatives from Ohio ⓘ |
| precededBy | Grover Cleveland ⓘ |
| presidentialOrder | 25 ⓘ |
| religion | Methodism ⓘ |
| residence | Canton, Ohio ⓘ |
| runningMate |
Garret Hobart
ⓘ
Theodore Roosevelt ⓘ |
| sexOrGender | male ⓘ |
| signatureImage | Signature of William McKinley.svg ⓘ |
| spouse | Ida Saxton McKinley ⓘ |
| succeededBy | Theodore Roosevelt ⓘ |
| supportedPolicy |
gold standard
ⓘ
protective tariffs ⓘ |
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: William McKinley Description of subject: William McKinley was the 25th president of the United States, best known for leading the nation during the Spanish–American War and overseeing a period of rapid economic growth and American expansionism.
Referenced by (65)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Grover Cleveland
subject surface form:
Fourth Party System
subject surface form:
Stephen Grover Cleveland
this entity surface form:
McKinley
this entity surface form:
President William McKinley
subject surface form:
General Grant National Memorial
this entity surface form:
President William McKinley
this entity surface form:
President William McKinley
this entity surface form:
President William McKinley
this entity surface form:
William McKinley, 25th President of the United States
this entity surface form:
President William McKinley
subject surface form:
Grant's Tomb
this entity surface form:
President William McKinley