Historia Brittonum
E335150
Historia Brittonum is a ninth-century Latin historical compilation traditionally attributed to Nennius, notable for its early accounts of post-Roman Britain and one of the first texts to mention King Arthur.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Historia Brittonum canonical | 5 |
| Nennius | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3203553 — 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: Historia Brittonum Context triple: [Arthurian legend, earliestKnownSource, Historia Brittonum]
-
A.
Historia Regum Britanniae
Historia Regum Britanniae is a 12th-century pseudo-historical chronicle by Geoffrey of Monmouth that popularized many legendary accounts of early British kings, including the stories of King Arthur.
-
B.
Brut y Tywysogion
Brut y Tywysogion is a medieval Welsh chronicle that records the history of the princes of Wales from the 7th to the 13th century.
-
C.
The Anglo-Saxon Chronicle
The Anglo-Saxon Chronicle is a collection of annals in Old English that records the early history of the Anglo-Saxons and the formation of England from the 9th century onward.
-
D.
Geoffrey of Monmouth (literary consolidation)
Geoffrey of Monmouth (literary consolidation) refers to the medieval writer’s influential shaping and popularization of the King Arthur legend in his 12th-century historical and narrative works.
-
E.
The Awntyrs off Arthure
The Awntyrs off Arthure is a Middle English alliterative romance from the 14th century that recounts a supernatural and moral adventure of King Arthur’s court, prominently featuring Sir Gawain.
- 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: Historia Brittonum Target entity description: Historia Brittonum is a ninth-century Latin historical compilation traditionally attributed to Nennius, notable for its early accounts of post-Roman Britain and one of the first texts to mention King Arthur.
-
A.
Historia Regum Britanniae
Historia Regum Britanniae is a 12th-century pseudo-historical chronicle by Geoffrey of Monmouth that popularized many legendary accounts of early British kings, including the stories of King Arthur.
-
B.
Brut y Tywysogion
Brut y Tywysogion is a medieval Welsh chronicle that records the history of the princes of Wales from the 7th to the 13th century.
-
C.
The Anglo-Saxon Chronicle
The Anglo-Saxon Chronicle is a collection of annals in Old English that records the early history of the Anglo-Saxons and the formation of England from the 9th century onward.
-
D.
Geoffrey of Monmouth (literary consolidation)
Geoffrey of Monmouth (literary consolidation) refers to the medieval writer’s influential shaping and popularization of the King Arthur legend in his 12th-century historical and narrative works.
-
E.
The Awntyrs off Arthure
The Awntyrs off Arthure is a Middle English alliterative romance from the 14th century that recounts a supernatural and moral adventure of King Arthur’s court, prominently featuring Sir Gawain.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Latin prose work
ⓘ
chronicle ⓘ historical compilation ⓘ medieval historical text ⓘ |
| associatedWith | Welsh historiographical tradition ⓘ |
| attributedTo |
Historia Brittonum
self-linksurface differs
ⓘ
surface form:
Nennius
|
| contains |
account of Saint Germanus’s visits to Britain
ⓘ
account of Vortigern and the dragons ⓘ earliest known list of Arthur’s battles ⓘ foundation legends of British peoples ⓘ genealogies of British kings ⓘ list of Roman emperors ⓘ list of cities in Britain ⓘ mirabilia of Britain ⓘ narrative of the coming of the Saxons to Britain ⓘ |
| countryOfOrigin |
Great Britain
ⓘ
surface form:
Britain
|
| dateWritten | 9th century ⓘ |
| describes |
battles of King Arthur
ⓘ
origins of the Britons ⓘ struggle between Britons and Saxons ⓘ |
| genre |
historiography
ⓘ
history ⓘ |
| hasVersion |
recension A
ⓘ
recension B ⓘ recension C ⓘ |
| influenced |
Historia Regum Britanniae
ⓘ
surface form:
Geoffrey of Monmouth’s Historia Regum Britanniae
later Arthurian literature ⓘ |
| language | Latin ⓘ |
| mainSubject |
early medieval British history
ⓘ
post-Roman Britain ⓘ |
| mentions |
Aurelius Ambrosius
ⓘ
surface form:
Ambrosius Aurelianus
King Arthur ⓘ Picts (early period) ⓘ
surface form:
Picts
Romans ⓘ St Germanus ⓘ
surface form:
Saint Germanus of Auxerre
Saxons ⓘ Scots ⓘ Vortigern ⓘ |
| notableFor |
early account of post-Roman Britain
ⓘ
one of the earliest texts to mention King Arthur ⓘ |
| regionDescribed |
Great Britain
ⓘ
surface form:
Britain
|
| scholarlyDebate |
authorship
ⓘ
date of composition ⓘ historical reliability ⓘ |
| survivesIn | multiple medieval manuscripts ⓘ |
| timePeriodDescribed |
Roman Britain
ⓘ
early Anglo-Saxon period ⓘ sub-Roman Britain ⓘ |
| traditionalAuthor |
Historia Brittonum
self-linksurface differs
ⓘ
surface form:
Nennius
|
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: Historia Brittonum Description of subject: Historia Brittonum is a ninth-century Latin historical compilation traditionally attributed to Nennius, notable for its early accounts of post-Roman Britain and one of the first texts to mention King Arthur.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Red Dragon
this entity surface form:
Nennius
this entity surface form:
Nennius