Synod of 867
E1003679
The Synod of 867 was a Byzantine church council convened in Constantinople under Patriarch Photius I that condemned Pope Nicholas I and deepened the growing rift between the Eastern and Western Churches.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Synod of 867 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12618609 — 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: Synod of 867 Context triple: [Council of Constantinople 867, alsoKnownAs, Synod of 867]
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A.
Synod of Rome 863
The Synod of Rome 863 was a papal council convened by Pope Nicholas I that condemned and deposed Patriarch Photius of Constantinople, intensifying the Photian Schism between Rome and Constantinople.
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B.
Synod of Constantinople in 843
The Synod of Constantinople in 843 was the church council that restored the veneration of icons in the Byzantine Empire, inaugurating the Feast of Orthodoxy and marking the definitive end of Iconoclasm.
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C.
Synod of Sutri
The Synod of Sutri was an 11th-century church council that deposed rival claimants to the papacy, helping to resolve a major papal schism and pave the way for church reform.
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D.
Synod of Rome (963)
The Synod of Rome (963) was an imperial-backed church council convened by Holy Roman Emperor Otto I that condemned and removed Pope John XII from the papacy amid accusations of corruption and misconduct.
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E.
Synod of 1724
The Synod of 1724 was a pivotal church council that led to the formal emergence of the Melkite Greek Catholic Church in communion with Rome.
- 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: Synod of 867 Target entity description: The Synod of 867 was a Byzantine church council convened in Constantinople under Patriarch Photius I that condemned Pope Nicholas I and deepened the growing rift between the Eastern and Western Churches.
-
A.
Synod of Rome 863
The Synod of Rome 863 was a papal council convened by Pope Nicholas I that condemned and deposed Patriarch Photius of Constantinople, intensifying the Photian Schism between Rome and Constantinople.
-
B.
Synod of Constantinople in 843
The Synod of Constantinople in 843 was the church council that restored the veneration of icons in the Byzantine Empire, inaugurating the Feast of Orthodoxy and marking the definitive end of Iconoclasm.
-
C.
Synod of Sutri
The Synod of Sutri was an 11th-century church council that deposed rival claimants to the papacy, helping to resolve a major papal schism and pave the way for church reform.
-
D.
Synod of Rome (963)
The Synod of Rome (963) was an imperial-backed church council convened by Holy Roman Emperor Otto I that condemned and removed Pope John XII from the papacy amid accusations of corruption and misconduct.
-
E.
Synod of 1724
The Synod of 1724 was a pivotal church council that led to the formal emergence of the Melkite Greek Catholic Church in communion with Rome.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Byzantine synod
ⓘ
church council ⓘ ecclesiastical council ⓘ |
| accusedOfUsurpationOfAuthority | Pope Nicholas I NERFINISHED ⓘ |
| addressedIssue |
Filioque clause
NERFINISHED
ⓘ
jurisdiction over Bulgaria ⓘ papal primacy ⓘ |
| affirmed |
authority of the Ecumenical Patriarch of Constantinople
ⓘ
equality of patriarchates ⓘ |
| alsoKnownAs | Council of Constantinople of 867 NERFINISHED ⓘ |
| century | 9th century ⓘ |
| churchTradition | Byzantine Rite NERFINISHED ⓘ |
| condemned | Pope Nicholas I NERFINISHED ⓘ |
| confession | Eastern Orthodox Church NERFINISHED ⓘ |
| consideredByEasternOrthodoxy | legitimate council ⓘ |
| consideredByRomanCatholicChurch | illegitimate council ⓘ |
| convokedBy | Photius I of Constantinople NERFINISHED ⓘ |
| country | Byzantine Empire ⓘ |
| date | 867 ⓘ |
| declaredDeposed | Pope Nicholas I NERFINISHED ⓘ |
| effect | deepened rift between Eastern and Western Churches ⓘ |
| followedBy |
Council of Constantinople of 879–880
NERFINISHED
ⓘ
Fourth Council of Constantinople (869–870) NERFINISHED ⓘ |
| follows | Council of Constantinople of 861 NERFINISHED ⓘ |
| hasLanguage | Greek ⓘ |
| hasParticipant |
Byzantine clergy
ⓘ
Eastern bishops ⓘ Photius I of Constantinople NERFINISHED ⓘ Pope Nicholas I NERFINISHED ⓘ |
| historicalSignificance | milestone in the development of the East–West divide ⓘ |
| issued | synodal decrees ⓘ |
| laterRepudiatedBy | Fourth Council of Constantinople (869–870) NERFINISHED ⓘ |
| locatedInPresentDay |
Istanbul
NERFINISHED
ⓘ
Turkey ⓘ |
| location | Constantinople NERFINISHED ⓘ |
| namedAfter | year 867 ⓘ |
| partOf | Photian Schism NERFINISHED ⓘ |
| presidedBy | Photius I of Constantinople NERFINISHED ⓘ |
| rejected | Roman claims to universal jurisdiction ⓘ |
| rejectedDoctrine | Filioque ⓘ |
| relatedToEvent | East–West Schism NERFINISHED ⓘ |
| tookPlaceDuringReignOf |
Emperor Basil I
NERFINISHED
ⓘ
Emperor Michael III NERFINISHED ⓘ |
| topic |
doctrinal differences between East and West
ⓘ
ecclesiastical jurisdiction in Bulgaria ⓘ relations between Rome and Constantinople ⓘ |
| typeOfDecision | condemnation of papal interference in the East ⓘ |
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: Synod of 867 Description of subject: The Synod of 867 was a Byzantine church council convened in Constantinople under Patriarch Photius I that condemned Pope Nicholas I and deepened the growing rift between the Eastern and Western Churches.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.