Nirnaeth Arnoediad
E901178
Nirnaeth Arnoediad is a catastrophic and pivotal battle in J.R.R. Tolkien’s legendarium, marking the devastating defeat of the Elves and their allies against Morgoth in the First Age of Middle-earth.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Nirnaeth Arnoediad canonical | 25 |
| Charge at Nirnaeth Arnoediad | 1 |
| Nirnaeth Arnoediad (indirectly) | 1 |
| NirnaethArnoediad | 1 |
| Of the Fifth Battle Nirnaeth Arnoediad | 1 |
| The Nirnaeth Arnoediad | 1 |
| Valor in the Nirnaeth Arnoediad | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11048006 — 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: Nirnaeth Arnoediad Context triple: [First Age, featuresEvent, Nirnaeth Arnoediad]
-
A.
Belegaer
Belegaer is the vast western ocean of Tolkien’s Middle-earth, separating its lands from the distant continent of Aman.
-
B.
Flame of Udûn
Flame of Udûn is an epithet for the Balrog of Moria, a powerful demonic being of shadow and fire from J.R.R. Tolkien’s Middle-earth legendarium.
-
C.
Disgwylfa Fawr
Disgwylfa Fawr is a hill in the Plynlimon range of mid Wales, known for its open moorland slopes and expansive views over the surrounding uplands.
-
D.
The Fall of Gondolin
The Fall of Gondolin is a posthumously published J.R.R. Tolkien narrative that recounts the tragic destruction of the hidden Elven city of Gondolin in his Middle-earth legendarium.
-
E.
Lords of Deheubarth
The Lords of Deheubarth were a medieval Welsh royal dynasty that ruled much of southwest Wales, notably resisting Norman and English encroachment during the High Middle Ages.
- 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: Nirnaeth Arnoediad Target entity description: Nirnaeth Arnoediad is a catastrophic and pivotal battle in J.R.R. Tolkien’s legendarium, marking the devastating defeat of the Elves and their allies against Morgoth in the First Age of Middle-earth.
-
A.
Belegaer
Belegaer is the vast western ocean of Tolkien’s Middle-earth, separating its lands from the distant continent of Aman.
-
B.
Flame of Udûn
Flame of Udûn is an epithet for the Balrog of Moria, a powerful demonic being of shadow and fire from J.R.R. Tolkien’s Middle-earth legendarium.
-
C.
Disgwylfa Fawr
Disgwylfa Fawr is a hill in the Plynlimon range of mid Wales, known for its open moorland slopes and expansive views over the surrounding uplands.
-
D.
The Fall of Gondolin
The Fall of Gondolin is a posthumously published J.R.R. Tolkien narrative that recounts the tragic destruction of the hidden Elven city of Gondolin in his Middle-earth legendarium.
-
E.
Lords of Deheubarth
The Lords of Deheubarth were a medieval Welsh royal dynasty that ruled much of southwest Wales, notably resisting Norman and English encroachment during the High Middle Ages.
- F. None of above. chosen
Statements (56)
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: Nirnaeth Arnoediad Description of subject: Nirnaeth Arnoediad is a catastrophic and pivotal battle in J.R.R. Tolkien’s legendarium, marking the devastating defeat of the Elves and their allies against Morgoth in the First Age of Middle-earth.
Referenced by (31)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nirnaeth Arnoediad
linked to: Nirnaeth Arnoediad
subject linked to:
the Fen of Serech
linked to: Nirnaeth Arnoediad
linked to: Nirnaeth Arnoediad
linked to: Nirnaeth Arnoediad