Altamont Free Concert
E227328
The Altamont Free Concert was a notorious 1969 rock festival in California remembered for its chaotic organization and fatal violence, often cited as marking the dark end of the 1960s counterculture era.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Altamont Free Concert canonical | 11 |
| Altamont Free Concert 1969 | 1 |
| Altamont Speedway Free Festival | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2011176 — 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: Altamont Free Concert Context triple: [Crosby, Stills, Nash & Young, performedAt, Altamont Free Concert]
-
A.
Woodstock
Woodstock is a historic market town in Oxfordshire, England, best known as the location of Blenheim Palace, the birthplace of Sir Winston Churchill.
-
B.
Woodstock
Woodstock is a historical novel by Sir Walter Scott set during the English Civil War, blending political intrigue, romance, and elements of the supernatural.
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C.
Woodstock Festival 1969
Woodstock Festival 1969 was a landmark three-day music and arts festival in upstate New York that became a defining symbol of the 1960s counterculture and peace movement.
-
D.
Summer of Love
"Summer of Love" is a song by the Irish rock band U2 from their 2017 album "Songs of Experience," reflecting themes of conflict, hope, and resilience.
-
E.
Fillmore East
Fillmore East was a legendary New York City rock concert venue in the late 1960s and early 1970s, renowned for hosting iconic performances by major rock, blues, and psychedelic artists.
- 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: Altamont Free Concert Target entity description: The Altamont Free Concert was a notorious 1969 rock festival in California remembered for its chaotic organization and fatal violence, often cited as marking the dark end of the 1960s counterculture era.
-
A.
Woodstock
Woodstock is a historic market town in Oxfordshire, England, best known as the location of Blenheim Palace, the birthplace of Sir Winston Churchill.
-
B.
Woodstock
Woodstock is a historical novel by Sir Walter Scott set during the English Civil War, blending political intrigue, romance, and elements of the supernatural.
-
C.
Woodstock Festival 1969
Woodstock Festival 1969 was a landmark three-day music and arts festival in upstate New York that became a defining symbol of the 1960s counterculture and peace movement.
-
D.
Summer of Love
"Summer of Love" is a song by the Irish rock band U2 from their 2017 album "Songs of Experience," reflecting themes of conflict, hope, and resilience.
-
E.
Fillmore East
Fillmore East was a legendary New York City rock concert venue in the late 1960s and early 1970s, renowned for hosting iconic performances by major rock, blues, and psychedelic artists.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
free concert
ⓘ
music festival ⓘ rock concert ⓘ |
| alsoKnownAs |
Altamont Speedway Free Festival
ⓘ
linked to:
Altamont Free Concert
|
| associatedWith | 1960s counterculture ⓘ |
| attendanceEstimate | approximately 300,000 ⓘ |
| causeOfMainDeath | stabbing by Hells Angels member ⓘ |
| chronologicalRelationTo | took place four months after Woodstock Festival ⓘ |
| comparedTo |
Woodstock Festival
ⓘ
linked to:
Woodstock Festival 1969
|
| contrastWith |
Woodstock Festival
ⓘ
linked to:
Woodstock Festival 1969
|
| country |
United States
ⓘ
linked to:
United States of America
|
| culturalSignificance |
often cited as the end of the 1960s counterculture era
ⓘ
symbol of the dark side of the hippie movement ⓘ |
| date | 1969-12-06 ⓘ |
| deathToll | 4 ⓘ |
| documentedInFilm | Gimme Shelter ⓘ |
| fatalitiesIncluded | Meredith Hunter ⓘ |
| featuredPerformer |
Crosby, Stills, Nash & Young
ⓘ
Grateful Dead ⓘ Jefferson Airplane ⓘ Santana ⓘ
linked to:
Santana (band)
The Flying Burrito Brothers ⓘ The Rolling Stones ⓘ |
| filmedBy |
Albert Maysles
ⓘ
Charlotte Zwerin ⓘ David Maysles ⓘ
linked to:
Albert Maysles
|
| finalizedLocationChange | moved to Altamont Speedway shortly before the event ⓘ |
| genre | rock music ⓘ |
| headliner | The Rolling Stones ⓘ |
| initialPlannedLocation |
Golden Gate Park
ⓘ
Sears Point Raceway ⓘ
linked to:
Sonoma Raceway
|
| legacy |
frequently referenced in discussions of concert safety
ⓘ
used as a cautionary example in event management ⓘ |
| location |
Alameda County, California
ⓘ
linked to:
Alameda County
Altamont Speedway ⓘ |
| mediaCoverage | extensive national and international press coverage ⓘ |
| notableFor |
chaotic violence
ⓘ
inadequate security ⓘ logistical problems ⓘ |
| notableIncident | stabbing death of Meredith Hunter ⓘ |
| organizationQuality | poorly organized ⓘ |
| organizedBy |
Grateful Dead management
ⓘ
Rock Scully ⓘ Sam Cutler ⓘ |
| partOf | 1969 American music events ⓘ |
| securityArrangement | Hells Angels were paid in beer ⓘ |
| securityProvidedBy | Hells Angels ⓘ |
| stageDesign | low stage close to the crowd ⓘ |
| year | 1969 ⓘ |
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: Altamont Free Concert Description of subject: The Altamont Free Concert was a notorious 1969 rock festival in California remembered for its chaotic organization and fatal violence, often cited as marking the dark end of the 1960s counterculture era.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Altamont Free Concert
linked to: Altamont Free Concert
subject linked to:
Hells Angels were paid in beer