Council of Constantinople 861
E300513
The Council of Constantinople in 861 was an Eastern Church synod convened under Emperor Michael III and Patriarch Photius I that played a key role in the disputes between Rome and Constantinople during the Photian Schism.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Council of Constantinople 861 canonical | 3 |
| Council of Constantinople of 861 | 1 |
| Photian Council of 861 | 1 |
| Synod of Constantinople 861 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2754995 — 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 Constantinople 861 Context triple: [Photian Schism, hasSignificantEvent, Council of Constantinople 861]
-
A.
Third Council of Constantinople
The Third Council of Constantinople was a 7th-century ecumenical council that condemned Monothelitism and affirmed that Christ possesses both a divine and a human will.
-
B.
First Council of Constantinople
The First Council of Constantinople was the second ecumenical council of the Christian Church, held in 381, which expanded the Nicene Creed and clarified Trinitarian doctrine against Arian and other heresies.
-
C.
Synod of Constantinople of 448
The Synod of Constantinople of 448 was a local Eastern Church council that condemned the teachings of Eutyches and played a key role in the Christological controversies leading up to the Council of Chalcedon.
-
D.
Lateran Council of 649
The Lateran Council of 649 was a significant 7th-century ecclesiastical assembly in Rome that condemned Monothelitism and articulated key doctrines on Christology and Marian teaching within the early medieval Church.
-
E.
Palamite councils of Constantinople
The Palamite councils of Constantinople were a series of 14th-century Byzantine synods that affirmed Gregory Palamas’s theology and officially endorsed hesychasm as orthodox doctrine within the Eastern Orthodox Church.
- 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 Constantinople 861 Target entity description: The Council of Constantinople in 861 was an Eastern Church synod convened under Emperor Michael III and Patriarch Photius I that played a key role in the disputes between Rome and Constantinople during the Photian Schism.
-
A.
Third Council of Constantinople
The Third Council of Constantinople was a 7th-century ecumenical council that condemned Monothelitism and affirmed that Christ possesses both a divine and a human will.
-
B.
First Council of Constantinople
The First Council of Constantinople was the second ecumenical council of the Christian Church, held in 381, which expanded the Nicene Creed and clarified Trinitarian doctrine against Arian and other heresies.
-
C.
Synod of Constantinople of 448
The Synod of Constantinople of 448 was a local Eastern Church council that condemned the teachings of Eutyches and played a key role in the Christological controversies leading up to the Council of Chalcedon.
-
D.
Lateran Council of 649
The Lateran Council of 649 was a significant 7th-century ecclesiastical assembly in Rome that condemned Monothelitism and articulated key doctrines on Christology and Marian teaching within the early medieval Church.
-
E.
Palamite councils of Constantinople
The Palamite councils of Constantinople were a series of 14th-century Byzantine synods that affirmed Gregory Palamas’s theology and officially endorsed hesychasm as orthodox doctrine within the Eastern Orthodox Church.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Eastern Church synod
ⓘ
church council ⓘ ecclesiastical council ⓘ synod ⓘ |
| addressedIssue |
authority of the Roman Pope in Eastern affairs
ⓘ
canonical procedures for appointing a patriarch ⓘ validity of Ignatius’s deposition ⓘ |
| alsoKnownAs |
Council of Constantinople 861
ⓘ
surface form:
Council of Constantinople of 861
Council of Constantinople 861 ⓘ
surface form:
Photian Council of 861
Council of Constantinople 861 ⓘ
surface form:
Synod of Constantinople 861
|
| church |
Eastern Orthodox Christianity
ⓘ
surface form:
Eastern Orthodox Church
|
| confession | Chalcedonian Christianity ⓘ |
| continent | Europe ⓘ |
| convenedBy |
Michael III
ⓘ
Photios I of Constantinople ⓘ
surface form:
Photius I of Constantinople
|
| country | Byzantine Empire ⓘ |
| ecclesiasticalStatus |
contested by the Papacy
ⓘ
recognized by many Eastern bishops ⓘ |
| endTime | 861 ⓘ |
| era | Middle Ages ⓘ |
| hasParticipant |
Michael III
ⓘ
Photios I of Constantinople ⓘ
surface form:
Photius I of Constantinople
bishops of the Eastern Church ⓘ |
| historicalContext |
early phase of the Photian Schism
ⓘ
reign of Emperor Michael III ⓘ |
| language | Greek ⓘ |
| location |
Constantinople (probable)
ⓘ
surface form:
Constantinople
Hagia Sophia ⓘ |
| partOf | Photian Schism ⓘ |
| presidedOverBy |
Photios I of Constantinople
ⓘ
surface form:
Photius I of Constantinople
|
| relatedTo |
Council of Constantinople 869–870
ⓘ
Council of Constantinople 879–880 ⓘ |
| religion | Christianity ⓘ |
| result |
condemnation of Ignatius of Constantinople
ⓘ
support for Photius I as patriarch of Constantinople ⓘ |
| significance |
intensified tensions between Rome and Constantinople
ⓘ
key stage in the development of the Photian Schism ⓘ |
| significantEventIn | disputes between Rome and Constantinople ⓘ |
| startTime | 861 ⓘ |
| timePeriod | 9th century ⓘ |
| topic |
deposition of Ignatius of Constantinople
ⓘ
jurisdictional disputes in the Church ⓘ legitimacy of Photius I as patriarch ⓘ relations between the Papacy and the Patriarchate of Constantinople ⓘ |
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 Constantinople 861 Description of subject: The Council of Constantinople in 861 was an Eastern Church synod convened under Emperor Michael III and Patriarch Photius I that played a key role in the disputes between Rome and Constantinople during the Photian Schism.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Synod of Constantinople 861
this entity surface form:
Council of Constantinople of 861
this entity surface form:
Photian Council of 861