Duncan v. Louisiana
E177751
Duncan v. Louisiana is a 1968 U.S. Supreme Court decision that held the Sixth Amendment right to a jury trial in criminal cases applies to the states through the Fourteenth Amendment.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Duncan v. Louisiana canonical | 5 |
| Duncan v. Louisiana, 391 U.S. 145 (1968) | 1 |
| State v. Duncan, 250 La. 253, 195 So.2d 142 (La. 1967) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1538943 — 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: Duncan v. Louisiana Context triple: [Incorporation doctrine, keyCase, Duncan v. Louisiana]
-
A.
Cox v. Louisiana
Cox v. Louisiana is a landmark 1965 U.S. Supreme Court case that clarified the limits of state power to restrict public demonstrations and protected civil rights protest activities under the First Amendment.
-
B.
Edwards v. South Carolina
Edwards v. South Carolina is a landmark 1963 U.S. Supreme Court decision that overturned the breach-of-the-peace convictions of civil rights demonstrators, affirming their First Amendment rights to peaceful protest and assembly.
-
C.
Powell v. Alabama
Powell v. Alabama is a landmark 1932 U.S. Supreme Court decision that held in capital cases the Due Process Clause requires defendants be given access to effective legal counsel, especially when they are young, illiterate, or otherwise disadvantaged.
-
D.
Washington v. Davis
Washington v. Davis is a 1976 U.S. Supreme Court case that held laws or policies with a racially disproportionate impact do not violate the Equal Protection Clause absent proof of discriminatory intent.
-
E.
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.
- 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: Duncan v. Louisiana Target entity description: Duncan v. Louisiana is a 1968 U.S. Supreme Court decision that held the Sixth Amendment right to a jury trial in criminal cases applies to the states through the Fourteenth Amendment.
-
A.
Cox v. Louisiana
Cox v. Louisiana is a landmark 1965 U.S. Supreme Court case that clarified the limits of state power to restrict public demonstrations and protected civil rights protest activities under the First Amendment.
-
B.
Edwards v. South Carolina
Edwards v. South Carolina is a landmark 1963 U.S. Supreme Court decision that overturned the breach-of-the-peace convictions of civil rights demonstrators, affirming their First Amendment rights to peaceful protest and assembly.
-
C.
Powell v. Alabama
Powell v. Alabama is a landmark 1932 U.S. Supreme Court decision that held in capital cases the Due Process Clause requires defendants be given access to effective legal counsel, especially when they are young, illiterate, or otherwise disadvantaged.
-
D.
Washington v. Davis
Washington v. Davis is a 1976 U.S. Supreme Court case that held laws or policies with a racially disproportionate impact do not violate the Equal Protection Clause absent proof of discriminatory intent.
-
E.
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. Supreme Court case
ⓘ
criminal procedure case ⓘ incorporation doctrine case ⓘ |
| appliesTo | state criminal prosecutions ⓘ |
| areaOfLaw |
constitutional law
ⓘ
criminal procedure ⓘ |
| arguedDate | 1967-10-18 ⓘ |
| citation | 391 U.S. 145 ⓘ |
| clarified | that petty offenses need not be tried by jury under the Constitution. ⓘ |
| concurrenceBy |
John M. Harlan II
ⓘ
Potter Stewart ⓘ |
| constitutionalProvision |
Fourteenth Amendment
ⓘ
surface form:
Fourteenth Amendment to the United States Constitution
U.S. Constitution, Sixth Amendment ⓘ
surface form:
Sixth Amendment to the United States Constitution
|
| country |
United States of America
ⓘ
surface form:
United States
|
| court | Supreme Court of the United States ⓘ |
| crimeCharged | simple battery ⓘ |
| decisionDate | 1968-05-20 ⓘ |
| dissentBy |
Abe Fortas
ⓘ
surface form:
Abe Fortas (in part)
Hugo L. Black ⓘ Thurgood Marshall ⓘ
surface form:
Thurgood Marshall (in part)
William J. Brennan Jr. ⓘ |
| fullName |
Duncan v. Louisiana
self-linksurface differs
ⓘ
surface form:
Duncan v. Louisiana, 391 U.S. 145 (1968)
|
| holding | The Sixth Amendment right to a jury trial in serious criminal cases is fundamental to the American scheme of justice and is applicable to the states through the Fourteenth Amendment Due Process Clause. ⓘ |
| issue | Whether the Fourteenth Amendment guarantees a right to jury trial in state criminal prosecutions for serious offenses. ⓘ |
| joinedByMajority |
Abe Fortas
ⓘ
Earl Warren ⓘ John M. Harlan II ⓘ
surface form:
John M. Harlan II (in part)
Potter Stewart ⓘ Thurgood Marshall ⓘ William O. Douglas ⓘ |
| jurisdiction |
Louisiana
ⓘ
surface form:
State of Louisiana
|
| legalPrinciple | selective incorporation of the Sixth Amendment jury trial right ⓘ |
| majorityOpinionBy | Byron R. White ⓘ |
| maximumPenaltyAtIssue | two years imprisonment ⓘ |
| page | 145 ⓘ |
| petitioner | Gary Duncan ⓘ |
| priorHistory |
Duncan v. Louisiana
self-linksurface differs
ⓘ
surface form:
State v. Duncan, 250 La. 253, 195 So.2d 142 (La. 1967)
|
| proceduralPosture | Defendant convicted of simple battery in Louisiana state court without a jury trial. ⓘ |
| rearguedDate | 1968-01-17 ⓘ |
| relatedCase |
Benton v. Maryland
ⓘ
In re Kemmler ⓘ Malloy v. Hogan ⓘ Palko v. Connecticut ⓘ |
| relatedConcept |
due process
ⓘ
fundamental rights ⓘ right to jury trial ⓘ |
| reporter | United States Reports ⓘ |
| respondent |
Louisiana
ⓘ
surface form:
State of Louisiana
|
| result | Judgment of the Louisiana courts reversed. ⓘ |
| volume | 391 ⓘ |
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: Duncan v. Louisiana Description of subject: Duncan v. Louisiana is a 1968 U.S. Supreme Court decision that held the Sixth Amendment right to a jury trial in criminal cases applies to the states through the Fourteenth Amendment.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Sixth Amendment to the United States Constitution
this entity surface form:
Duncan v. Louisiana, 391 U.S. 145 (1968)
this entity surface form:
State v. Duncan, 250 La. 253, 195 So.2d 142 (La. 1967)