National Agreement of 1903
E4236
The National Agreement of 1903 was a landmark pact between the National and American Leagues that formally established peace, recognized each other’s major league status, and created a unified structure for professional baseball in the United States.
All labels observed (3)
| Label | Occurrences |
|---|---|
| National Agreement of 1903 canonical | 2 |
| National Agreement | 1 |
| National Association Agreement | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T49385 — 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.
Target entity: National Agreement of 1903 Context triple: [1903 World Series, agreementName, National Agreement of 1903]
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A.
Ottawa Agreements
The Ottawa Agreements were a series of 1932 trade accords within the British Empire that established preferential tariffs to promote intra-imperial trade and protect member economies during the Great Depression.
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B.
Charter of the Organization of American States
The Charter of the Organization of American States is the foundational treaty that establishes the OAS’s structure, purposes, and principles for political, economic, social, and cultural cooperation among the countries of the Americas.
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C.
Residence Act
The Residence Act was a 1790 law passed by the U.S. Congress that authorized the establishment of a permanent national capital along the Potomac River, leading to the creation of Washington, D.C.
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D.
Cairo Declaration
The Cairo Declaration was a World War II Allied statement issued in 1943 that outlined the terms for Japan’s surrender and pledged the return of territories seized by Japan to China and other countries.
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E.
Treaty of Paris (1898)
The Treaty of Paris (1898) was the agreement that ended the Spanish–American War, resulting in Spain ceding territories including Puerto Rico, Guam, and the Philippines to the United States and marking a major expansion of U.S. influence overseas.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: National Agreement of 1903 Target entity description: The National Agreement of 1903 was a landmark pact between the National and American Leagues that formally established peace, recognized each other’s major league status, and created a unified structure for professional baseball in the United States.
-
A.
Ottawa Agreements
The Ottawa Agreements were a series of 1932 trade accords within the British Empire that established preferential tariffs to promote intra-imperial trade and protect member economies during the Great Depression.
-
B.
Charter of the Organization of American States
The Charter of the Organization of American States is the foundational treaty that establishes the OAS’s structure, purposes, and principles for political, economic, social, and cultural cooperation among the countries of the Americas.
-
C.
Residence Act
The Residence Act was a 1790 law passed by the U.S. Congress that authorized the establishment of a permanent national capital along the Potomac River, leading to the creation of Washington, D.C.
-
D.
Cairo Declaration
The Cairo Declaration was a World War II Allied statement issued in 1943 that outlined the terms for Japan’s surrender and pledged the return of territories seized by Japan to China and other countries.
-
E.
Treaty of Paris (1898)
The Treaty of Paris (1898) was the agreement that ended the Spanish–American War, resulting in Spain ceding territories including Puerto Rico, Guam, and the Philippines to the United States and marking a major expansion of U.S. influence overseas.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
baseball agreement
ⓘ
historical event ⓘ sports governance document ⓘ |
| alsoKnownAs |
National Agreement of 1903
ⓘ
surface form:
National Agreement
|
| country |
United States of America
ⓘ
surface form:
United States
|
| dateSigned | 1903 ⓘ |
| domain |
professional sports
ⓘ
sports law ⓘ |
| effect |
ended open conflict between the National League and the American League
ⓘ
formalized the coexistence of two major leagues in professional baseball ⓘ helped stabilize the professional baseball industry ⓘ |
| established |
a common framework for player contracts
ⓘ
a system of mutual respect for player contracts ⓘ a unified governance structure for organized baseball ⓘ rules governing player movement between leagues ⓘ |
| followed | period of competition between the National League and the American League ⓘ |
| historicalSignificance |
considered a foundational document of organized baseball
ⓘ
marked the beginning of the modern two‑league structure of Major League Baseball ⓘ |
| influenced | subsequent agreements governing organized baseball ⓘ |
| legalStatus | binding contract between the National League and the American League ⓘ |
| precededBy |
interleague raiding of players
ⓘ
legal and financial disputes between the National League and the American League ⓘ |
| purpose |
to create a unified structure for professional baseball in the United States
ⓘ
to establish peace between the National League and the American League ⓘ to recognize the National League and American League as major leagues ⓘ |
| relatedTo |
Major League Baseball
ⓘ
professional baseball governance in the United States ⓘ |
| resultedIn |
clearer territorial and organizational boundaries between leagues
ⓘ
greater stability for professional baseball franchises ⓘ |
| signatory |
American League
ⓘ
National League ⓘ |
| sport | baseball ⓘ |
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.
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.
Subject: National Agreement of 1903 Description of subject: The National Agreement of 1903 was a landmark pact between the National and American Leagues that formally established peace, recognized each other’s major league status, and created a unified structure for professional baseball in the United States.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.