A Petition to the President of the United States
E430416
A Petition to the President of the United States is a 1945 document drafted by physicist Leó Szilárd and signed by Manhattan Project scientists urging President Harry S. Truman to reconsider the first use of atomic bombs on Japan without prior warning.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A Petition to the President of the United States canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4316200 — 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: A Petition to the President of the United States Context triple: [Szilard petition, hasAlternativeName, A Petition to the President of the United States]
-
A.
“By the People”
“By the People” is a musical piece that serves as one of the individual works within a larger song cycle.
-
B.
Humble Petition and Advice
The Humble Petition and Advice was a 1657 constitutional proposal that sought to revise England’s republican government by offering Oliver Cromwell the crown and restructuring the Protectorate’s political system.
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C.
One Million Signatures Campaign
The One Million Signatures Campaign is a grassroots Iranian women’s rights initiative launched in 2006 to collect signatures demanding the reform of discriminatory laws against women in Iran.
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D.
Shall We Tell the President?
"Shall We Tell the President?" is a political thriller novel by Jeffrey Archer that imagines an assassination plot against the President of the United States.
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E.
Petition to the King
Petition to the King was a formal appeal sent by the First Continental Congress to King George III in 1774, seeking redress of colonial grievances and reconciliation with Britain on the eve of the American Revolution.
- 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: A Petition to the President of the United States Target entity description: A Petition to the President of the United States is a 1945 document drafted by physicist Leó Szilárd and signed by Manhattan Project scientists urging President Harry S. Truman to reconsider the first use of atomic bombs on Japan without prior warning.
-
A.
“By the People”
“By the People” is a musical piece that serves as one of the individual works within a larger song cycle.
-
B.
Humble Petition and Advice
The Humble Petition and Advice was a 1657 constitutional proposal that sought to revise England’s republican government by offering Oliver Cromwell the crown and restructuring the Protectorate’s political system.
-
C.
One Million Signatures Campaign
The One Million Signatures Campaign is a grassroots Iranian women’s rights initiative launched in 2006 to collect signatures demanding the reform of discriminatory laws against women in Iran.
-
D.
Shall We Tell the President?
"Shall We Tell the President?" is a political thriller novel by Jeffrey Archer that imagines an assassination plot against the President of the United States.
-
E.
Petition to the King
Petition to the King was a formal appeal sent by the First Continental Congress to King George III in 1774, seeking redress of colonial grievances and reconciliation with Britain on the eve of the American Revolution.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
historical document
ⓘ
open letter ⓘ petition ⓘ |
| addressedTo |
Harry S. Truman
ⓘ
linked to:
President Harry S. Truman
President of the United States ⓘ |
| alsoKnownAs |
Szilárd Petition
ⓘ
linked to:
Szilard petition
|
| archivedIn |
Library of Congress
ⓘ
U.S. National Archives ⓘ
linked to:
National Archives and Records Administration
|
| associatedWith |
Chicago Pile research group
ⓘ
linked to:
Chicago Pile-1
Los Alamos Laboratory ⓘ |
| author |
Leó Szilárd
ⓘ
linked to:
Leo Szilard
|
| concerns |
civilian casualties in Japan
ⓘ
ethical implications of atomic bomb use ⓘ |
| context | Manhattan Project ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| date | 1945 ⓘ |
| draftedBy |
Leó Szilárd
ⓘ
linked to:
Leo Szilard
|
| ethicalStance | advocacy of restraint in nuclear weapons use ⓘ |
| field |
U.S. political history
ⓘ
history of science ⓘ nuclear history ⓘ |
| genre |
political petition
ⓘ
scientists' protest ⓘ |
| hasForm | typed document ⓘ |
| hasSignificance |
early example of scientists' political activism on nuclear issues
ⓘ
influential in later debates on nuclear ethics ⓘ |
| historicalPeriod | final months of World War II ⓘ |
| influencedBy | knowledge of destructive power of nuclear weapons ⓘ |
| language | English ⓘ |
| locationOfDrafting | Chicago Metallurgical Laboratory ⓘ |
| medium | paper ⓘ |
| mentions |
Japan
ⓘ
atomic bomb ⓘ responsibility of scientists ⓘ |
| opposes | unannounced atomic bombing of Japanese cities ⓘ |
| proposes | demonstration of the atomic bomb before its use on cities ⓘ |
| purpose |
to recommend prior warning before using atomic bombs against Japan
ⓘ
to urge reconsideration of the first use of atomic bombs on Japan ⓘ |
| relatedTo |
U.S. decision-making on nuclear weapons in 1945
ⓘ
atomic bombings of Hiroshima and Nagasaki ⓘ |
| signedBy |
Manhattan Project scientists
ⓘ
linked to:
British Mission to the Manhattan Project
physicists involved in the Manhattan Project ⓘ |
| subject |
World War II
ⓘ
first use of atomic bombs ⓘ nuclear weapons policy ⓘ |
| timePeriod | July 1945 ⓘ |
| title | A Petition to the President of the United States ⓘ |
| year | 1945 ⓘ |
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: A Petition to the President of the United States Description of subject: A Petition to the President of the United States is a 1945 document drafted by physicist Leó Szilárd and signed by Manhattan Project scientists urging President Harry S. Truman to reconsider the first use of atomic bombs on Japan without prior warning.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
A Petition to the President of the United States
→
title
→
A Petition to the President of the United States
ⓘ