Gildas’s De Excidio et Conquestu Britanniae
E738799
Gildas’s De Excidio et Conquestu Britanniae is a 6th-century Latin sermon-treatise that provides one of the earliest and most important narrative accounts of post-Roman Britain, blending moral critique with a sketchy history of the island’s political and religious decline.
All labels observed (3)
| Label | Occurrences |
|---|---|
| De Excidio et Conquestu Britanniae | 1 |
| Gildas's De Excidio et Conquestu Britanniae | 1 |
| Gildas’s De Excidio et Conquestu Britanniae canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8515223 — 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: Gildas’s De Excidio et Conquestu Britanniae Context triple: [sub-Roman Britain, hasSource, Gildas’s De Excidio et Conquestu Britanniae]
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A.
Historia Brittonum
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.
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B.
Annales Cambriae
Annales Cambriae is a medieval Welsh chronicle that provides some of the earliest written references to King Arthur and events associated with Arthurian legend.
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C.
Bede's Ecclesiastical History of the English People
Bede's Ecclesiastical History of the English People is an early 8th-century Latin work that chronicles the religious and political history of early medieval England, particularly the spread of Christianity.
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D.
Gesta Pontificum Anglorum
Gesta Pontificum Anglorum is a 12th-century Latin historical work that surveys the history, deeds, and notable figures of the English church and its bishops.
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E.
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.
- 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: Gildas’s De Excidio et Conquestu Britanniae Target entity description: Gildas’s De Excidio et Conquestu Britanniae is a 6th-century Latin sermon-treatise that provides one of the earliest and most important narrative accounts of post-Roman Britain, blending moral critique with a sketchy history of the island’s political and religious decline.
-
A.
Historia Brittonum
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.
-
B.
Annales Cambriae
Annales Cambriae is a medieval Welsh chronicle that provides some of the earliest written references to King Arthur and events associated with Arthurian legend.
-
C.
Bede's Ecclesiastical History of the English People
Bede's Ecclesiastical History of the English People is an early 8th-century Latin work that chronicles the religious and political history of early medieval England, particularly the spread of Christianity.
-
D.
Gesta Pontificum Anglorum
Gesta Pontificum Anglorum is a 12th-century Latin historical work that surveys the history, deeds, and notable figures of the English church and its bishops.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Latin prose work
ⓘ
historical source ⓘ sermon-treatise ⓘ |
| audience | contemporary Brittonic Christian community ⓘ |
| author | Gildas ⓘ |
| authorshipStatus | generally accepted as work of a single author ⓘ |
| criticizes |
corrupt clergy
ⓘ
five contemporary British kings ⓘ |
| dateWritten | 6th century ⓘ |
| describesEvent |
Saxon incursions into Britain
ⓘ
appeal of Britons to Rome for help ⓘ battle against Saxon invaders ⓘ withdrawal of Roman authority from Britain ⓘ |
| fieldOfStudy |
Late Antiquity
ⓘ
early medieval British history ⓘ patristic and early medieval Latin literature ⓘ |
| genre |
historical narrative
ⓘ
moral treatise ⓘ sermon ⓘ |
| geographicFocus |
Britain
ⓘ
linked to:
Great Britain
|
| historicalPeriodDescribed | post-Roman Britain ⓘ |
| historicalScope | from Roman rule to early Anglo-Saxon settlement ⓘ |
| historicalValue |
one of the earliest narrative sources for post-Roman Britain
ⓘ
primary source for early Anglo-Saxon period ⓘ |
| influenceOn |
Bede’s Historia Ecclesiastica Gentis Anglorum
ⓘ
later medieval British historiography ⓘ |
| keyConcept |
history as moral exemplum
ⓘ
sins of rulers cause national disaster ⓘ |
| language | Latin ⓘ |
| literaryStyle |
biblically allusive
ⓘ
rhetorical ⓘ |
| mainTheme |
divine punishment for sin
ⓘ
moral critique of British rulers and clergy ⓘ political and religious decline of Britain ⓘ |
| part |
condemnation of clergy
ⓘ
condemnation of secular rulers ⓘ historical prologue ⓘ |
| purpose |
moral exhortation
ⓘ
warning of divine judgment ⓘ |
| religiousPerspective | Christian ⓘ |
| scholarlyDebate |
chronology of composition
ⓘ
historical reliability of narrative ⓘ |
| structure | divided into three main parts ⓘ |
| survival | preserved in medieval manuscript tradition ⓘ |
| titleTranslation | On the Ruin and Conquest of Britain ⓘ |
| usesSourceType | biblical quotations ⓘ |
| workLength | relatively short treatise ⓘ |
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: Gildas’s De Excidio et Conquestu Britanniae Description of subject: Gildas’s De Excidio et Conquestu Britanniae is a 6th-century Latin sermon-treatise that provides one of the earliest and most important narrative accounts of post-Roman Britain, blending moral critique with a sketchy history of the island’s political and religious decline.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Gildas’s De Excidio et Conquestu Britanniae
linked to: Gildas’s De Excidio et Conquestu Britanniae