Treaty of Nymphaeum (1214)
E675879
The Treaty of Nymphaeum (1214) was an agreement between the Empire of Nicaea and the Republic of Venice that secured Venetian commercial privileges and naval support in exchange for backing Nicaea’s efforts to recover Constantinople from Latin rule.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Treaty of Nymphaeum (1214) canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7601982 — 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: Treaty of Nymphaeum (1214) Context triple: [Empire of Nicaea, treaty, Treaty of Nymphaeum (1214)]
-
A.
Treaty of Nymphaeum
The Treaty of Nymphaeum was a 1261 alliance between the Byzantine Empire and the Republic of Genoa that granted Genoa extensive commercial privileges and helped establish its dominance in Black Sea trade.
-
B.
Treaty of Chinon (1189)
The Treaty of Chinon (1189) was a peace agreement that ended the conflict between Henry II of England and Philip II of France, forcing the Angevin king to make major territorial and financial concessions that weakened the Angevin Empire.
-
C.
Treaty of Anagni
The Treaty of Anagni was a 1295 agreement between Pope Boniface VIII, France, Aragon, and others that sought to end the War of the Sicilian Vespers by redistributing territories and restoring papal influence in the central Mediterranean.
-
D.
Treaty of Ardres
The Treaty of Ardres was a 1546 peace agreement between France and England that ended one phase of the Italian Wars by confirming English possession of Boulogne for a limited period in exchange for French payments.
-
E.
Treaty of Paris (1229)
The Treaty of Paris (1229) was an agreement that ended the Albigensian Crusade by bringing much of southern France under the control of the French crown and enforcing harsh measures against the Cathar heresy.
- 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: Treaty of Nymphaeum (1214) Target entity description: The Treaty of Nymphaeum (1214) was an agreement between the Empire of Nicaea and the Republic of Venice that secured Venetian commercial privileges and naval support in exchange for backing Nicaea’s efforts to recover Constantinople from Latin rule.
-
A.
Treaty of Nymphaeum
The Treaty of Nymphaeum was a 1261 alliance between the Byzantine Empire and the Republic of Genoa that granted Genoa extensive commercial privileges and helped establish its dominance in Black Sea trade.
-
B.
Treaty of Chinon (1189)
The Treaty of Chinon (1189) was a peace agreement that ended the conflict between Henry II of England and Philip II of France, forcing the Angevin king to make major territorial and financial concessions that weakened the Angevin Empire.
-
C.
Treaty of Anagni
The Treaty of Anagni was a 1295 agreement between Pope Boniface VIII, France, Aragon, and others that sought to end the War of the Sicilian Vespers by redistributing territories and restoring papal influence in the central Mediterranean.
-
D.
Treaty of Ardres
The Treaty of Ardres was a 1546 peace agreement between France and England that ended one phase of the Italian Wars by confirming English possession of Boulogne for a limited period in exchange for French payments.
-
E.
Treaty of Paris (1229)
The Treaty of Paris (1229) was an agreement that ended the Albigensian Crusade by bringing much of southern France under the control of the French crown and enforcing harsh measures against the Cathar heresy.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | treaty ⓘ |
| aimedAt | weakening Latin control of Constantinople ⓘ |
| concludedBetween |
Empire of Nicaea
ⓘ
Republic of Venice ⓘ |
| granted | commercial privileges to Venice ⓘ |
| hasConsequence |
expanded Venetian trade opportunities in the eastern Mediterranean
ⓘ
strengthened Nicaean maritime capabilities ⓘ |
| hasDate | 1214 ⓘ |
| hasPlace | Nymphaeum ⓘ |
| hasPurpose |
to obtain Venetian naval support
ⓘ
to secure Venetian commercial privileges ⓘ to support Nicaean efforts to recover Constantinople ⓘ |
| historicalPeriod | 13th century ⓘ |
| isDistinctFrom |
Treaty of Nymphaeum (1261)
ⓘ
linked to:
Treaty of Nymphaeum
|
| language |
Greek
ⓘ
Latin ⓘ |
| occursAfter | Fourth Crusade ⓘ |
| partOf | Byzantine–Latin conflicts ⓘ |
| provided | naval support to the Empire of Nicaea ⓘ |
| relatedTo |
Empire of Nicaea–Venice relations
ⓘ
Latin Empire ⓘ recovery of Constantinople from Latin rule ⓘ |
| signatory |
Empire of Nicaea
ⓘ
Republic of Venice ⓘ |
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: Treaty of Nymphaeum (1214) Description of subject: The Treaty of Nymphaeum (1214) was an agreement between the Empire of Nicaea and the Republic of Venice that secured Venetian commercial privileges and naval support in exchange for backing Nicaea’s efforts to recover Constantinople from Latin rule.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.