Stephen–Matilda conflict
E350337
The Stephen–Matilda conflict, also known as The Anarchy, was a mid-12th-century civil war in England over the royal succession between King Stephen and Empress Matilda that led to prolonged instability and baronial unrest.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Rhaenyra Targaryen’s later claim conflicted with its precedent | 1 |
| Stephen–Matilda conflict canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3345596 — 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: Stephen–Matilda conflict Context triple: [The Anarchy, conflict, Stephen–Matilda conflict]
-
A.
Devolution War
The Devolution War was a 1667–1668 conflict in which France, under Louis XIV, fought Spain over claims to the Spanish Netherlands, testing French military strength and European diplomatic alliances.
-
B.
Battle of the Counts
The Battle of the Counts was a major 1287 naval engagement off Naples in which the Aragonese fleet decisively defeated the Angevin forces, significantly shaping the outcome of the War of the Sicilian Vespers.
-
C.
War of the Brothers
War of the Brothers is a major internal conflict phase within the broader Lebanese Civil War, marked by intense factional fighting among rival Lebanese militias.
-
D.
War of the Two Peters
The War of the Two Peters was a 14th-century conflict between the Crown of Aragon and the Kingdom of Castile, primarily over control of the Kingdom of Valencia and Mediterranean influence.
-
E.
War of the Limburg Succession
The War of the Limburg Succession was a late 13th-century conflict in the Holy Roman Empire over the inheritance of the Duchy of Limburg, drawing in major regional powers and reshaping the political balance in the Low Countries.
- 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: Stephen–Matilda conflict Target entity description: The Stephen–Matilda conflict, also known as The Anarchy, was a mid-12th-century civil war in England over the royal succession between King Stephen and Empress Matilda that led to prolonged instability and baronial unrest.
-
A.
Devolution War
The Devolution War was a 1667–1668 conflict in which France, under Louis XIV, fought Spain over claims to the Spanish Netherlands, testing French military strength and European diplomatic alliances.
-
B.
Battle of the Counts
The Battle of the Counts was a major 1287 naval engagement off Naples in which the Aragonese fleet decisively defeated the Angevin forces, significantly shaping the outcome of the War of the Sicilian Vespers.
-
C.
War of the Brothers
War of the Brothers is a major internal conflict phase within the broader Lebanese Civil War, marked by intense factional fighting among rival Lebanese militias.
-
D.
War of the Two Peters
The War of the Two Peters was a 14th-century conflict between the Crown of Aragon and the Kingdom of Castile, primarily over control of the Kingdom of Valencia and Mediterranean influence.
-
E.
War of the Limburg Succession
The War of the Limburg Succession was a late 13th-century conflict in the Holy Roman Empire over the inheritance of the Duchy of Limburg, drawing in major regional powers and reshaping the political balance in the Low Countries.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
civil war
ⓘ
historical event ⓘ succession crisis ⓘ |
| alsoKnownAs |
The Anarchy (English civil war)
ⓘ
surface form:
English civil war of 1135–1154
The Anarchy ⓘ |
| chronology | High Middle Ages ⓘ |
| conflictType | dynastic war ⓘ |
| country | Kingdom of England ⓘ |
| describedBySource |
The Anglo-Saxon Chronicle
ⓘ
surface form:
Anglo-Saxon Chronicle
chronicles of Henry of Huntingdon ⓘ chronicles of William of Malmesbury ⓘ |
| endTime | 1154 ⓘ |
| followedBy | reign of Henry II of England ⓘ |
| follows | reign of Henry I of England ⓘ |
| hasCause |
contested claim of Empress Matilda to the English throne
ⓘ
death of King Henry I of England without surviving legitimate son ⓘ disputed royal succession in England ⓘ usurpation of the throne by Stephen of Blois ⓘ |
| hasEffect |
establishment of the Angevin dynasty in England
ⓘ
expansion of Angevin influence in the British Isles ⓘ later reforms of royal administration under Henry II ⓘ |
| historicalPeriod | 12th century ⓘ |
| location |
England
ⓘ
Normandy ⓘ |
| mainBelligerent |
Empress Matilda
ⓘ
King Stephen ⓘ
surface form:
King Stephen of England
|
| participant |
Empress Matilda
ⓘ
Henry I of England ⓘ Henry of Anjou ⓘ House of Anjou ⓘ House of Blois ⓘ David I of Scotland ⓘ
surface form:
King David I of Scotland
Matilda I of Boulogne ⓘ
surface form:
Matilda of Boulogne
Ranulf de Gernon, 4th Earl of Chester ⓘ Robert of Gloucester ⓘ Stephen of Blois ⓘ various English barons ⓘ |
| result |
Treaty of Wallingford
ⓘ
accession of Henry II of England in 1154 ⓘ devastation of parts of the English countryside ⓘ prolonged political instability in England ⓘ recognition of Henry of Anjou as heir to the English throne ⓘ weakening of royal authority ⓘ widespread baronial unrest ⓘ |
| significantEvent |
Battle of Lincoln (1141)
ⓘ
Rout of Winchester (1141) ⓘ Treaty of Wallingford ⓘ Treaty of Wallingford ⓘ
surface form:
Treaty of Winchester (1153)
|
| startTime | 1135 ⓘ |
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: Stephen–Matilda conflict Description of subject: The Stephen–Matilda conflict, also known as The Anarchy, was a mid-12th-century civil war in England over the royal succession between King Stephen and Empress Matilda that led to prolonged instability and baronial unrest.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
The Anarchy
this entity surface form:
Rhaenyra Targaryen’s later claim conflicted with its precedent