Council of Pisa
E96948
The Council of Pisa was a 1409 ecclesiastical assembly that attempted to resolve the Western Schism by deposing rival popes and electing a new one, ultimately complicating rather than ending the papal dispute.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Council of Pisa canonical | 7 |
| 1409 Council of Pisa | 1 |
| Pisan Council | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T771405 — 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: Council of Pisa Context triple: [Late Middle Ages, hasMajorEvent, Council of Pisa]
-
A.
Council of Constance
The Council of Constance was a major 15th-century ecumenical council of the Catholic Church that ended the Western Schism, condemned Jan Hus, and sought to reform church governance.
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B.
Council of Florence
The Council of Florence was a 15th-century ecumenical council of the Catholic Church that sought to heal the schism between Eastern and Western Christianity through theological negotiations and doctrinal agreements.
-
C.
First Council of Lyon
The First Council of Lyon was a 13th-century ecumenical council of the Catholic Church that addressed the conflict with the Holy Roman Emperor Frederick II, initiated church reforms, and organized a crusade.
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D.
Second Council of Orange
The Second Council of Orange was a 529 AD church synod in southern Gaul that decisively addressed the Pelagian controversy by affirming the necessity of divine grace in salvation while rejecting strict predestinarianism.
-
E.
Council of Rome (1076)
The Council of Rome (1076) was a pivotal synod convened by Pope Gregory VII during the Investiture Controversy, at which he excommunicated and deposed Holy Roman Emperor Henry IV for defying papal authority.
- 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: Council of Pisa Target entity description: The Council of Pisa was a 1409 ecclesiastical assembly that attempted to resolve the Western Schism by deposing rival popes and electing a new one, ultimately complicating rather than ending the papal dispute.
-
A.
Council of Constance
The Council of Constance was a major 15th-century ecumenical council of the Catholic Church that ended the Western Schism, condemned Jan Hus, and sought to reform church governance.
-
B.
Council of Florence
The Council of Florence was a 15th-century ecumenical council of the Catholic Church that sought to heal the schism between Eastern and Western Christianity through theological negotiations and doctrinal agreements.
-
C.
First Council of Lyon
The First Council of Lyon was a 13th-century ecumenical council of the Catholic Church that addressed the conflict with the Holy Roman Emperor Frederick II, initiated church reforms, and organized a crusade.
-
D.
Second Council of Orange
The Second Council of Orange was a 529 AD church synod in southern Gaul that decisively addressed the Pelagian controversy by affirming the necessity of divine grace in salvation while rejecting strict predestinarianism.
-
E.
Council of Rome (1076)
The Council of Rome (1076) was a pivotal synod convened by Pope Gregory VII during the Investiture Controversy, at which he excommunicated and deposed Holy Roman Emperor Henry IV for defying papal authority.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Catholic ecclesiastical assembly
ⓘ
church council ⓘ ecumenical council ⓘ event ⓘ historical event ⓘ |
| aimedTo |
depose rival popes
ⓘ
elect a single universally recognized pope ⓘ end the Western Schism ⓘ |
| attendedBy |
canon lawyers
ⓘ
cardinals from both obediences ⓘ envoys of secular princes ⓘ many bishops ⓘ theologians ⓘ |
| complicated | resolution of the Western Schism ⓘ |
| consideredBy |
Roman Catholic Church
ⓘ
linked to:
Roman Catholicism
|
| convokedBy |
cardinals of the Avignon obedience
ⓘ
cardinals of the Roman obedience ⓘ |
| country | Republic of Pisa ⓘ |
| declared |
both existing popes deposed
ⓘ
both existing popes guilty of heresy ⓘ both existing popes guilty of perjury ⓘ both existing popes guilty of scandal ⓘ both existing popes guilty of schism ⓘ |
| deposed |
Antipope Benedict XIII
ⓘ
linked to:
Pope Benedict XIII
Pope Gregory XII ⓘ |
| elected |
Antipope Alexander V
ⓘ
linked to:
John XXIII (antipope)
|
| followedBy | Council of Constance ⓘ |
| hasAlternativeName |
1409 Council of Pisa
ⓘ
linked to:
Council of Pisa
Pisan Council ⓘ
linked to:
Council of Pisa
|
| hasEndTime | 1409-08-07 ⓘ |
| hasName | Council of Pisa ⓘ |
| hasStartTime | 1409-03-25 ⓘ |
| hasStatus | not recognized as an ecumenical council by the Roman Catholic Church ⓘ |
| historicalPeriod | Late Middle Ages ⓘ |
| location |
Italy
ⓘ
Pisa ⓘ |
| notRecognizedBy |
Antipope Benedict XIII
ⓘ
linked to:
Pope Benedict XIII
Pope Gregory XII ⓘ |
| partOf | Western Schism ⓘ |
| pointInTime | 1409 ⓘ |
| precededBy | Council of Rome (1408) ⓘ |
| religion |
Catholic Church
ⓘ
linked to:
Roman Catholicism
|
| result |
continuation of the Western Schism
ⓘ
election of Antipope Alexander V ⓘ existence of three concurrent papal claimants ⓘ |
| topic |
church unity
ⓘ
papal schism ⓘ |
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: Council of Pisa Description of subject: The Council of Pisa was a 1409 ecclesiastical assembly that attempted to resolve the Western Schism by deposing rival popes and electing a new one, ultimately complicating rather than ending the papal dispute.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Council of Pisa
linked to: Council of Pisa