Battle of Hatfield Chase
E729128
The Battle of Hatfield Chase was a 7th-century clash in which the Northumbrian king Edwin was defeated and killed by a coalition of Mercian and Welsh forces, marking a major turning point in early Anglo-Saxon England.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battle of Hatfield Chase canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7881960 — 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: Battle of Hatfield Chase Context triple: [Penda of Mercia, battle, Battle of Hatfield Chase]
-
A.
Battle of Chalgrove Field
The Battle of Chalgrove Field was a minor but historically significant skirmish of the English Civil War in 1643, noted especially for the mortal wounding of Parliamentarian leader John Hampden.
-
B.
Battle of Radcot Bridge
The Battle of Radcot Bridge was a 1387 clash during the reign of Richard II in which forces loyal to the Lords Appellant defeated royal troops, marking a key moment in the power struggle between the king and his nobles in late medieval England.
-
C.
Battle of Turnham Green
The Battle of Turnham Green was a key early engagement of the English Civil War in November 1642, where Parliamentarian forces halted King Charles I’s advance on London, leading to a strategic stalemate.
-
D.
Battle of Globe Tavern
The Battle of Globe Tavern was an August 1864 American Civil War engagement near Petersburg, Virginia, in which Union forces successfully cut the Weldon Railroad, tightening the siege of the Confederate-held city.
-
E.
Battle of Basing
The Battle of Basing was a 9th-century engagement during the Viking invasions of England in which the West Saxons under King Æthelred and Alfred suffered a defeat by Danish forces.
- 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: Battle of Hatfield Chase Target entity description: The Battle of Hatfield Chase was a 7th-century clash in which the Northumbrian king Edwin was defeated and killed by a coalition of Mercian and Welsh forces, marking a major turning point in early Anglo-Saxon England.
-
A.
Battle of Chalgrove Field
The Battle of Chalgrove Field was a minor but historically significant skirmish of the English Civil War in 1643, noted especially for the mortal wounding of Parliamentarian leader John Hampden.
-
B.
Battle of Radcot Bridge
The Battle of Radcot Bridge was a 1387 clash during the reign of Richard II in which forces loyal to the Lords Appellant defeated royal troops, marking a key moment in the power struggle between the king and his nobles in late medieval England.
-
C.
Battle of Turnham Green
The Battle of Turnham Green was a key early engagement of the English Civil War in November 1642, where Parliamentarian forces halted King Charles I’s advance on London, leading to a strategic stalemate.
-
D.
Battle of Globe Tavern
The Battle of Globe Tavern was an August 1864 American Civil War engagement near Petersburg, Virginia, in which Union forces successfully cut the Weldon Railroad, tightening the siege of the Confederate-held city.
-
E.
Battle of Basing
The Battle of Basing was a 9th-century engagement during the Viking invasions of England in which the West Saxons under King Æthelred and Alfred suffered a defeat by Danish forces.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
military conflict ⓘ |
| alsoKnownAs | Battle of Hatfield NERFINISHED ⓘ |
| associatedWith |
Christianization of Northumbria
NERFINISHED
ⓘ
rise of Mercia under Penda ⓘ |
| belligerent |
Kingdom of Gwynedd
NERFINISHED
ⓘ
Kingdom of Mercia NERFINISHED ⓘ Kingdom of Northumbria NERFINISHED ⓘ Welsh forces ⓘ |
| coalition | Mercian and Welsh forces ⓘ |
| combatantLeader |
Cadwallon ap Cadfan
NERFINISHED
ⓘ
Edwin of Northumbria NERFINISHED ⓘ Penda of Mercia NERFINISHED ⓘ |
| conflictType | Anglo-Saxon battle ⓘ |
| countryAtTime |
Kingdom of Gwynedd
NERFINISHED
ⓘ
Kingdom of Mercia NERFINISHED ⓘ Kingdom of Northumbria NERFINISHED ⓘ |
| date |
12 October 633
ⓘ
AD 633 ⓘ |
| era | Heptarchy NERFINISHED ⓘ |
| geographicalFeature | marshy lowland of Hatfield Chase ⓘ |
| historicalSignificance |
ended Edwin’s dominance as bretwalda
ⓘ
major turning point in early Anglo-Saxon England ⓘ |
| killedPerson |
Eadfrith son of Edwin
NERFINISHED
ⓘ
Edwin of Northumbria NERFINISHED ⓘ Osfrith son of Edwin NERFINISHED ⓘ |
| locatedInHistoricalRegion | Northumbria NERFINISHED ⓘ |
| locatedInPresentDay |
South Yorkshire
NERFINISHED
ⓘ
near Doncaster ⓘ |
| notableFor |
coalition between Penda of Mercia and Cadwallon of Gwynedd
ⓘ
death of a reigning Northumbrian king in battle ⓘ |
| opponentOf | Edwin of Northumbria NERFINISHED ⓘ |
| outcome |
collapse of Northumbrian overlordship in southern England
ⓘ
death of Edwin of Northumbria ⓘ temporary fragmentation of Northumbria ⓘ |
| partOf | Anglo-Saxon wars NERFINISHED ⓘ |
| place | Hatfield Chase NERFINISHED ⓘ |
| predecessorEvent | Edwin’s expansion of Northumbrian power ⓘ |
| primarySource |
Anglo-Saxon Chronicle
NERFINISHED
ⓘ
Bede’s Ecclesiastical History of the English People NERFINISHED ⓘ |
| religiousContext | conflict between Christian Northumbria and largely pagan Mercia ⓘ |
| result | decisive Mercian–Welsh victory ⓘ |
| successorEvent | Battle of Heavenfield NERFINISHED ⓘ |
| timePeriod | 7th century ⓘ |
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: Battle of Hatfield Chase Description of subject: The Battle of Hatfield Chase was a 7th-century clash in which the Northumbrian king Edwin was defeated and killed by a coalition of Mercian and Welsh forces, marking a major turning point in early Anglo-Saxon England.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.