Browder v. Gayle
E16404
Browder v. Gayle was the landmark 1956 federal court case that declared bus segregation in Montgomery, Alabama unconstitutional, effectively ending the Montgomery bus boycott and striking a major blow against Jim Crow laws.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T80528 — 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: Browder v. Gayle Context triple: [Montgomery bus boycott, legalCase, Browder v. Gayle]
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A.
Heart of Atlanta Motel, Inc. v. United States
Heart of Atlanta Motel, Inc. v. United States is a landmark 1964 U.S. Supreme Court case that upheld the constitutionality of the Civil Rights Act of 1964 by affirming Congress’s power to prohibit racial discrimination in public accommodations under the Commerce Clause.
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B.
Davis v. County School Board of Prince Edward County
Davis v. County School Board of Prince Edward County was a landmark civil rights case challenging racial segregation in Virginia’s public schools that became one of the five cases consolidated into the U.S. Supreme Court’s Brown v. Board of Education decision.
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C.
Craig v. Boren
Craig v. Boren is a 1976 U.S. Supreme Court case that established intermediate scrutiny as the standard for evaluating gender-based classifications under the Equal Protection Clause.
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D.
Katzenbach v. McClung
Katzenbach v. McClung is a 1964 U.S. Supreme Court case that upheld the federal government’s power to prohibit racial discrimination in local restaurants under the Civil Rights Act of 1964.
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E.
Brown v. Board of Education
Brown v. Board of Education is the landmark 1954 U.S. Supreme Court decision that declared racial segregation in public schools unconstitutional, overturning the “separate but equal” doctrine.
- 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: Browder v. Gayle Target entity description: Browder v. Gayle was the landmark 1956 federal court case that declared bus segregation in Montgomery, Alabama unconstitutional, effectively ending the Montgomery bus boycott and striking a major blow against Jim Crow laws.
-
A.
Heart of Atlanta Motel, Inc. v. United States
Heart of Atlanta Motel, Inc. v. United States is a landmark 1964 U.S. Supreme Court case that upheld the constitutionality of the Civil Rights Act of 1964 by affirming Congress’s power to prohibit racial discrimination in public accommodations under the Commerce Clause.
-
B.
Davis v. County School Board of Prince Edward County
Davis v. County School Board of Prince Edward County was a landmark civil rights case challenging racial segregation in Virginia’s public schools that became one of the five cases consolidated into the U.S. Supreme Court’s Brown v. Board of Education decision.
-
C.
Craig v. Boren
Craig v. Boren is a 1976 U.S. Supreme Court case that established intermediate scrutiny as the standard for evaluating gender-based classifications under the Equal Protection Clause.
-
D.
Katzenbach v. McClung
Katzenbach v. McClung is a 1964 U.S. Supreme Court case that upheld the federal government’s power to prohibit racial discrimination in local restaurants under the Civil Rights Act of 1964.
-
E.
Brown v. Board of Education
Brown v. Board of Education is the landmark 1954 U.S. Supreme Court decision that declared racial segregation in public schools unconstitutional, overturning the “separate but equal” doctrine.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal court case
ⓘ
civil rights case ⓘ landmark decision ⓘ |
| appellateCourt |
Supreme Court of the United States
ⓘ
surface form:
United States Supreme Court
|
| areaOfLaw |
civil rights law
ⓘ
constitutional law ⓘ |
| constitutionalProvision |
Equal Protection Clause
ⓘ
Fourteenth Amendment ⓘ
surface form:
Fourteenth Amendment to the United States Constitution
|
| country |
United States of America
ⓘ
surface form:
United States
|
| court | United States District Court for the Middle District of Alabama ⓘ |
| decisionDate | 1956-06-05 ⓘ |
| decisionType | 2–1 decision in district court ⓘ |
| defendant | W. A. Gayle ⓘ |
| defendantDescription | Mayor of Montgomery, Alabama ⓘ |
| effect |
contributed to the end of the Montgomery bus boycott
ⓘ
ended legal bus segregation in Montgomery, Alabama ⓘ struck a major blow against Jim Crow laws in the American South ⓘ |
| enforcement | desegregation of Montgomery city buses ⓘ |
| historicalSignificance | one of the first major federal court victories of the modern civil rights movement ⓘ |
| holding |
racial segregation on Montgomery city buses is unconstitutional
ⓘ
segregation on public buses violates the Equal Protection Clause of the Fourteenth Amendment ⓘ |
| impact |
advanced the civil rights movement
ⓘ
challenged the legality of Jim Crow segregation ⓘ served as a legal victory for the Montgomery Improvement Association ⓘ |
| judge |
Frank M. Johnson Jr.
ⓘ
Richard T. Rives ⓘ Seybourn H. Lynne ⓘ |
| jurisdiction |
federal judiciary of the United States
ⓘ
surface form:
United States federal courts
|
| legalIssue |
constitutionality of bus segregation laws
ⓘ
racial segregation on public buses ⓘ |
| location | Montgomery, Alabama ⓘ |
| plaintiff |
Aurelia S. Browder
ⓘ
Claudette Colvin ⓘ Mary Louise Smith ⓘ Susie McDonald ⓘ |
| precedent | Brown v. Board of Education ⓘ |
| precedentUsedFor | applying Brown v. Board of Education to public transportation ⓘ |
| relatedEvent | Rosa Parks’ arrest on December 1, 1955 ⓘ |
| relatedOrganization | Montgomery Improvement Association ⓘ |
| relatedPerson |
Martin Luther King Jr.
ⓘ
Rosa Parks ⓘ |
| relatedTo | Montgomery bus boycott ⓘ |
| subjectMatter | segregation in public transportation ⓘ |
| supremeCourtAffirmanceDate | 1956-11-13 ⓘ |
| supremeCourtDisposition | per curiam affirmance ⓘ |
| supremeCourtMandateIssuedDate | 1956-12-20 ⓘ |
| yearDecided | 1956 ⓘ |
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: Browder v. Gayle Description of subject: Browder v. Gayle was the landmark 1956 federal court case that declared bus segregation in Montgomery, Alabama unconstitutional, effectively ending the Montgomery bus boycott and striking a major blow against Jim Crow laws.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
plaintiffs in Browder v. Gayle
this entity surface form:
Rulings supporting the Montgomery bus boycott
this entity surface form:
U.S. Supreme Court affirmed ruling that bus segregation in Montgomery was unconstitutional
this entity surface form:
Browder v. Gayle decision