Battle of the Cephissus
E923498
The Battle of the Cephissus was a decisive 1311 clash in central Greece where the Catalan Company defeated and killed Walter V of Brienne, leading to Catalan control over the Duchy of Athens.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Battle of Orchomenos | 1 |
| Battle of the Cephissus canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11390150 — 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 the Cephissus Context triple: [Battle of Halmyros, alsoKnownAs, Battle of the Cephissus]
-
A.
Battle of Orchomenus
The Battle of Orchomenus was a decisive engagement in 86 BC during the First Mithridatic War in which the Roman general Sulla crushed the forces of Mithridates VI of Pontus in Greece, securing Roman dominance in the region.
-
B.
Battle of Spercheios
The Battle of Spercheios (997) was a decisive Byzantine victory over the forces of Tsar Samuel of Bulgaria in central Greece, significantly weakening Bulgarian power in the region.
-
C.
Battle of Philomelion
The Battle of Philomelion was a 12th-century clash between the Byzantine Empire and the Seljuk Turks in Asia Minor, notable within the broader struggle for control of the region.
-
D.
Battle of Thymbra
The Battle of Thymbra was a decisive 547 BC clash near Sardis in which Cyrus the Great’s Persian forces crushed King Croesus and effectively ended the independence of the Lydian Kingdom.
-
E.
Battle of Delium
The Battle of Delium was a significant engagement of the Peloponnesian War in 424 BC, where Boeotian forces decisively defeated the Athenians near the sanctuary of Apollo at Delium.
- 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 the Cephissus Target entity description: The Battle of the Cephissus was a decisive 1311 clash in central Greece where the Catalan Company defeated and killed Walter V of Brienne, leading to Catalan control over the Duchy of Athens.
-
A.
Battle of Orchomenus
The Battle of Orchomenus was a decisive engagement in 86 BC during the First Mithridatic War in which the Roman general Sulla crushed the forces of Mithridates VI of Pontus in Greece, securing Roman dominance in the region.
-
B.
Battle of Spercheios
The Battle of Spercheios (997) was a decisive Byzantine victory over the forces of Tsar Samuel of Bulgaria in central Greece, significantly weakening Bulgarian power in the region.
-
C.
Battle of Philomelion
The Battle of Philomelion was a 12th-century clash between the Byzantine Empire and the Seljuk Turks in Asia Minor, notable within the broader struggle for control of the region.
-
D.
Battle of Thymbra
The Battle of Thymbra was a decisive 547 BC clash near Sardis in which Cyrus the Great’s Persian forces crushed King Croesus and effectively ended the independence of the Lydian Kingdom.
-
E.
Battle of Delium
The Battle of Delium was a significant engagement of the Peloponnesian War in 424 BC, where Boeotian forces decisively defeated the Athenians near the sanctuary of Apollo at Delium.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
historical event ⓘ medieval battle ⓘ |
| aftermath |
installation of Catalan administration in Athens
ⓘ
integration of the Duchy of Athens into the Crown of Aragon’s sphere of influence ⓘ |
| alsoKnownAs |
Battle of Halmyros
NERFINISHED
ⓘ
Battle of the Kephissos NERFINISHED ⓘ |
| associatedWith |
Crown of Aragon
NERFINISHED
ⓘ
Latin states in Greece ⓘ |
| belligerent |
Frankish forces of the Duchy of Athens
ⓘ
mercenaries of the Catalan Company ⓘ |
| belligerentCommander | Walter V of Brienne NERFINISHED ⓘ |
| cause | dispute between Walter V of Brienne and the Catalan Company over pay and lands ⓘ |
| combatant |
Catalan Company
NERFINISHED
ⓘ
Duchy of Athens NERFINISHED ⓘ |
| consequence |
Catalan control of the Duchy of Athens
ⓘ
death of Walter V of Brienne ⓘ end of Walter V of Brienne’s rule in Athens ⓘ establishment of Catalan rule in Athens ⓘ expansion of Catalan Company influence in Greece ⓘ |
| date | 1311 ⓘ |
| geographicalContext | Greek mainland ⓘ |
| historicalContext | aftermath of the Fourth Crusade ⓘ |
| historicalRegion | Frankish Greece NERFINISHED ⓘ |
| languageOfPrimarySources |
Greek
ⓘ
Latin ⓘ |
| locatedIn | central Greece ⓘ |
| locatedNear |
Halmyros
NERFINISHED
ⓘ
River Cephissus NERFINISHED ⓘ |
| militaryConflictType | pitched battle ⓘ |
| opponentOf | Walter V of Brienne NERFINISHED ⓘ |
| outcome | overthrow of the French ducal dynasty in Athens ⓘ |
| partOf |
history of Frankish Greece
ⓘ
history of the Duchy of Athens ⓘ |
| precededBy | service of the Catalan Company to Walter V of Brienne ⓘ |
| region | Boeotia (historical region) NERFINISHED ⓘ |
| relatedTo |
Catalan Company
NERFINISHED
ⓘ
Duchy of Athens NERFINISHED ⓘ Walter V of Brienne NERFINISHED ⓘ |
| result | decisive Catalan victory ⓘ |
| significance |
decisive battle in the history of Latin Greece
ⓘ
turning point in control of the Duchy of Athens ⓘ |
| timePeriod | early 14th century ⓘ |
| year | 1311 ⓘ |
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 the Cephissus Description of subject: The Battle of the Cephissus was a decisive 1311 clash in central Greece where the Catalan Company defeated and killed Walter V of Brienne, leading to Catalan control over the Duchy of Athens.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Battle of Orchomenos