Occupation of Alcatraz
E57394
The Occupation of Alcatraz was a 19-month Native American protest (1969–1971) in which activists seized Alcatraz Island to demand recognition of Indigenous rights and treaty obligations, becoming a catalyst for the modern Native American civil rights movement.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Occupation of Alcatraz canonical | 3 |
| 1969–1971 Alcatraz occupation | 1 |
| occupation of Alcatraz Island | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T460931 — 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: Occupation of Alcatraz Context triple: [Native Americans, historicalEvent, Occupation of Alcatraz]
-
A.
Delano grape strike
The Delano grape strike was a landmark labor protest in the 1960s in California’s Central Valley, led largely by Filipino and Mexican farmworkers, that catalyzed the modern farm labor movement and brought national attention to agricultural workers’ rights.
-
B.
Resurrection City
Resurrection City was a temporary encampment on the National Mall in Washington, D.C., established in 1968 as part of Martin Luther King Jr.’s Poor People’s Campaign to dramatize and protest economic injustice in the United States.
-
C.
U-2 incident of 1960
The U-2 incident of 1960 was a Cold War crisis in which an American U-2 spy plane was shot down over the Soviet Union, severely damaging U.S.–Soviet relations and derailing a planned summit between their leaders.
-
D.
Teapot Dome scandal
The Teapot Dome scandal was a major 1920s U.S. political corruption case involving the secret leasing of federal oil reserves that severely damaged public trust in the Harding administration.
-
E.
Mayaguez incident
The Mayaguez incident was a 1975 confrontation between the United States and Cambodia in which U.S. forces attempted to rescue the crew of the seized American merchant ship SS Mayaguez, often regarded as one of the last official battles of the Vietnam War era.
- 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: Occupation of Alcatraz Target entity description: The Occupation of Alcatraz was a 19-month Native American protest (1969–1971) in which activists seized Alcatraz Island to demand recognition of Indigenous rights and treaty obligations, becoming a catalyst for the modern Native American civil rights movement.
-
A.
Delano grape strike
The Delano grape strike was a landmark labor protest in the 1960s in California’s Central Valley, led largely by Filipino and Mexican farmworkers, that catalyzed the modern farm labor movement and brought national attention to agricultural workers’ rights.
-
B.
Resurrection City
Resurrection City was a temporary encampment on the National Mall in Washington, D.C., established in 1968 as part of Martin Luther King Jr.’s Poor People’s Campaign to dramatize and protest economic injustice in the United States.
-
C.
U-2 incident of 1960
The U-2 incident of 1960 was a Cold War crisis in which an American U-2 spy plane was shot down over the Soviet Union, severely damaging U.S.–Soviet relations and derailing a planned summit between their leaders.
-
D.
Teapot Dome scandal
The Teapot Dome scandal was a major 1920s U.S. political corruption case involving the secret leasing of federal oil reserves that severely damaged public trust in the Harding administration.
-
E.
Mayaguez incident
The Mayaguez incident was a 1975 confrontation between the United States and Cambodia in which U.S. forces attempted to rescue the crew of the seized American merchant ship SS Mayaguez, often regarded as one of the last official battles of the Vietnam War era.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Indigenous land rights protest
ⓘ
Native American civil rights action ⓘ political movement ⓘ protest ⓘ |
| hasCause |
demand for enforcement of treaty obligations
ⓘ
demand for recognition of Indigenous rights ⓘ protest against U.S. federal Indian policy ⓘ |
| hasCountry |
United States of America
ⓘ
surface form:
United States
|
| hasCulturalImpact |
referenced in Native American literature
ⓘ
subject of documentaries and historical studies ⓘ |
| hasDemands |
creation of an ecology center
ⓘ
establishment of a Native American cultural center ⓘ establishment of a Native American university ⓘ transfer of Alcatraz Island to Native American control ⓘ |
| hasDuration | 19 months ⓘ |
| hasEndDate | 1971-06-11 ⓘ |
| hasHistoricalPeriod |
1960s social movements
ⓘ
Red Power movement ⓘ |
| hasLeader |
John Trudell
ⓘ
LaNada Means War Jack ⓘ Richard Oakes ⓘ |
| hasLegalBasisClaimed |
Fort Laramie Treaty of 1868
ⓘ
surface form:
Treaty of Fort Laramie (1868)
|
| hasLocation |
Alcatraz Island
ⓘ
San Francisco Bay ⓘ |
| hasMediaCoverage |
international media
ⓘ
national media in the United States ⓘ |
| hasMethod |
island seizure
ⓘ
nonviolent occupation ⓘ |
| hasMotto | Indians of All Tribes ⓘ |
| hasOpposingParty |
Federal Bureau of Prisons
ⓘ
surface form:
Bureau of Prisons
U.S. General Services Administration ⓘ
surface form:
General Services Administration
United States government ⓘ
surface form:
United States federal government
|
| hasPrecededBy | earlier short-lived Native American occupations of Alcatraz in 1964 ⓘ |
| hasPrimaryParticipants |
Indians of All Tribes
ⓘ
Native American activists ⓘ |
| hasResult |
catalyst for modern Native American civil rights movement
ⓘ
increased visibility of Native American issues ⓘ influence on U.S. federal Indian policy shift toward self-determination ⓘ inspiration for later Indigenous rights occupations ⓘ |
| hasSignificance |
symbol of Indigenous sovereignty claims
ⓘ
turning point in U.S. public awareness of Native issues ⓘ |
| hasSiteStatusAtStart | surplus federal property ⓘ |
| hasStartDate | 1969-11-20 ⓘ |
| influenced |
American Indian Movement activism
ⓘ
subsequent Native American occupations of federal lands ⓘ |
| isPartOf |
history of Indigenous resistance in North America
ⓘ
history of Native American civil rights ⓘ |
| tookPlaceAfter | termination policy era in U.S. Indian policy ⓘ |
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: Occupation of Alcatraz Description of subject: The Occupation of Alcatraz was a 19-month Native American protest (1969–1971) in which activists seized Alcatraz Island to demand recognition of Indigenous rights and treaty obligations, becoming a catalyst for the modern Native American civil rights movement.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
occupation of Alcatraz Island
this entity surface form:
1969–1971 Alcatraz occupation