Leon Czolgosz
E193593
Leon Czolgosz was an American anarchist best known for assassinating U.S. President William McKinley in 1901.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Leon Czolgosz canonical | 4 |
| Czolgosz | 1 |
| Leon Frank Czolgosz | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1709411 — 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: Leon Czolgosz Context triple: [William McKinley, assassinatedBy, Leon Czolgosz]
-
A.
Big Bill Haywood
Big Bill Haywood was a prominent early 20th-century American labor leader and founding member of the Industrial Workers of the World, known for his militant advocacy for workers’ rights and involvement in high-profile labor struggles.
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B.
Charles J. Guiteau
Charles J. Guiteau was an American lawyer and disgruntled office seeker best known for assassinating U.S. President James A. Garfield in 1881.
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C.
George Atzerodt
George Atzerodt was a German-born conspirator in John Wilkes Booth’s plot who was assigned to assassinate Vice President Andrew Johnson during the Lincoln assassination conspiracy.
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D.
Georg Elser
Georg Elser was a German carpenter and resistance fighter who attempted to assassinate Adolf Hitler in 1939 by planting a time bomb in a Munich beer hall.
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E.
John Bellingham
John Bellingham was a British merchant best known for assassinating Prime Minister Spencer Perceval in 1812, the only successful assassination of a British prime minister.
- 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: Leon Czolgosz Target entity description: Leon Czolgosz was an American anarchist best known for assassinating U.S. President William McKinley in 1901.
-
A.
Big Bill Haywood
Big Bill Haywood was a prominent early 20th-century American labor leader and founding member of the Industrial Workers of the World, known for his militant advocacy for workers’ rights and involvement in high-profile labor struggles.
-
B.
Charles J. Guiteau
Charles J. Guiteau was an American lawyer and disgruntled office seeker best known for assassinating U.S. President James A. Garfield in 1881.
-
C.
George Atzerodt
George Atzerodt was a German-born conspirator in John Wilkes Booth’s plot who was assigned to assassinate Vice President Andrew Johnson during the Lincoln assassination conspiracy.
-
D.
Georg Elser
Georg Elser was a German carpenter and resistance fighter who attempted to assassinate Adolf Hitler in 1939 by planting a time bomb in a Munich beer hall.
-
E.
John Bellingham
John Bellingham was a British merchant best known for assassinating Prime Minister Spencer Perceval in 1812, the only successful assassination of a British prime minister.
- F. None of above. chosen
Statements (49)
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: Leon Czolgosz Description of subject: Leon Czolgosz was an American anarchist best known for assassinating U.S. President William McKinley in 1901.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Leon Czolgosz
linked to: Leon Czolgosz