US Festival 1983 Heavy Metal Day
E521647
US Festival 1983 Heavy Metal Day was a dedicated day of the 1983 US Festival featuring performances by major heavy metal bands before a massive outdoor audience in California.
All labels observed (4)
| Label | Occurrences |
|---|---|
| US Festival 1983 | 1 |
| US Festival 1983 Country Day | 1 |
| US Festival 1983 Heavy Metal Day canonical | 1 |
| US Festival 1983 Rock Day | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5451560 — 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: US Festival 1983 Heavy Metal Day Context triple: [US Festival, hasPart, US Festival 1983 Heavy Metal Day]
-
A.
Sacrum Profanum Festival
The Sacrum Profanum Festival is an annual contemporary music festival in Kraków, Poland, known for blending classical, avant-garde, and popular music in innovative concert settings.
-
B.
Reading Rock Festival
Reading Rock Festival is a major annual music festival in Reading, England, best known for its rock-focused lineups and status as one of the UK’s longest-running popular music events.
-
C.
Sunfest
Sunfest is a major annual world music and arts festival held in London, Ontario, featuring diverse international performers and cultural celebrations.
-
D.
A Heavy Metal Christmas
A Heavy Metal Christmas is a holiday-themed heavy metal music release, best known for its metal renditions of traditional Christmas songs.
-
E.
Woodstock '94
Woodstock '94 was a large-scale music festival held in 1994 to celebrate the 25th anniversary of the original 1969 Woodstock, featuring major rock and alternative acts and drawing hundreds of thousands of attendees.
- 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: US Festival 1983 Heavy Metal Day Target entity description: US Festival 1983 Heavy Metal Day was a dedicated day of the 1983 US Festival featuring performances by major heavy metal bands before a massive outdoor audience in California.
-
A.
Sacrum Profanum Festival
The Sacrum Profanum Festival is an annual contemporary music festival in Kraków, Poland, known for blending classical, avant-garde, and popular music in innovative concert settings.
-
B.
Reading Rock Festival
Reading Rock Festival is a major annual music festival in Reading, England, best known for its rock-focused lineups and status as one of the UK’s longest-running popular music events.
-
C.
Sunfest
Sunfest is a major annual world music and arts festival held in London, Ontario, featuring diverse international performers and cultural celebrations.
-
D.
A Heavy Metal Christmas
A Heavy Metal Christmas is a holiday-themed heavy metal music release, best known for its metal renditions of traditional Christmas songs.
-
E.
Woodstock '94
Woodstock '94 was a large-scale music festival held in 1994 to celebrate the 25th anniversary of the original 1969 Woodstock, featuring major rock and alternative acts and drawing hundreds of thousands of attendees.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
concert event
ⓘ
music festival day ⓘ |
| approximateAttendance | hundreds of thousands ⓘ |
| approximateDate | May 29, 1983 ⓘ |
| associatedWith |
US Festival 1982
NERFINISHED
ⓘ
US Festival 1983 Country Day NERFINISHED ⓘ US Festival 1983 New Wave Day NERFINISHED ⓘ US Festival 1983 Rock Day NERFINISHED ⓘ |
| audienceDemographic | rock and heavy metal fans ⓘ |
| audienceType | outdoor audience ⓘ |
| broadcastCoverage | partial television and radio coverage ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| culturalImpact | noted event in 1980s heavy metal history ⓘ |
| festivalSeries | US Festival NERFINISHED ⓘ |
| genre | heavy metal ⓘ |
| hasLanguage | English (announcements and promotion) ⓘ |
| headliner | Van Halen NERFINISHED ⓘ |
| location |
Devore, California
NERFINISHED
ⓘ
Glen Helen Regional Park NERFINISHED ⓘ San Bernardino County, California NERFINISHED ⓘ |
| mediaType | live music performances ⓘ |
| notableAspect |
high performance fees for bands
ⓘ
massive festival sound and lighting production ⓘ |
| notableFor |
large attendance
ⓘ
lineup of major heavy metal bands ⓘ |
| organizer |
Steve Wozniak
NERFINISHED
ⓘ
Unuson Corporation NERFINISHED ⓘ |
| outcome | financial loss for organizers ⓘ |
| partOf | US Festival 1983 NERFINISHED ⓘ |
| performedBy |
Accept
NERFINISHED
ⓘ
Judas Priest NERFINISHED ⓘ Motörhead NERFINISHED ⓘ Mötley Crüe NERFINISHED ⓘ Ozzy Osbourne NERFINISHED ⓘ Quiet Riot NERFINISHED ⓘ Scorpions NERFINISHED ⓘ Triumph NERFINISHED ⓘ Van Halen NERFINISHED ⓘ |
| recordingsExist | archival video and audio recordings ⓘ |
| safetyMeasures | large-scale crowd control and security ⓘ |
| sponsor | Apple co-founder Steve Wozniak NERFINISHED ⓘ |
| stageType | outdoor stage ⓘ |
| ticketedEvent | true ⓘ |
| timePeriod | early 1980s rock era ⓘ |
| weather | hot daytime temperatures ⓘ |
| year | 1983 ⓘ |
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: US Festival 1983 Heavy Metal Day Description of subject: US Festival 1983 Heavy Metal Day was a dedicated day of the 1983 US Festival featuring performances by major heavy metal bands before a massive outdoor audience in California.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
US Festival 1983
this entity surface form:
US Festival 1983 Rock Day
this entity surface form:
US Festival 1983 Country Day