Second Lateran Council
E651393
The Second Lateran Council was a 12th-century ecumenical council of the Catholic Church that sought to end the papal schism and reform clerical discipline in Western Christendom.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Second Lateran Council canonical | 8 |
| Second Council of the Lateran | 2 |
| canons of the Second Lateran Council | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7260043 — 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: Second Lateran Council Context triple: [Peter the Venerable, participatedIn, Second Lateran Council]
-
A.
Third Lateran Council
The Third Lateran Council was a 12th-century ecumenical council of the Catholic Church that, among other reforms, condemned simony, regulated papal elections, and addressed issues arising from the papal schism of the time.
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B.
Fourth Lateran Council
The Fourth Lateran Council was a landmark 13th-century ecumenical council of the Catholic Church that enacted wide-ranging reforms in doctrine, church discipline, and Christian society, including defining transubstantiation and regulating clerical and lay life.
-
C.
Fifth Lateran Council
The Fifth Lateran Council was the 18th ecumenical council of the Catholic Church, convened in Rome (1512–1517) to address church reform, condemn certain philosophical doctrines, and respond to emerging challenges on the eve of the Protestant Reformation.
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D.
First Council of the Lateran
The First Council of the Lateran was a 12th-century ecumenical council of the Catholic Church convened by Pope Callixtus II that confirmed the Concordat of Worms and addressed church reform and clerical discipline.
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E.
Second Council of Lyon
The Second Council of Lyon was a major 13th-century ecumenical council of the Catholic Church, convened in 1274 to address church reform, attempt reunion with the Eastern Orthodox Church, and organize a new crusade.
- 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: Second Lateran Council Target entity description: The Second Lateran Council was a 12th-century ecumenical council of the Catholic Church that sought to end the papal schism and reform clerical discipline in Western Christendom.
-
A.
Third Lateran Council
The Third Lateran Council was a 12th-century ecumenical council of the Catholic Church that, among other reforms, condemned simony, regulated papal elections, and addressed issues arising from the papal schism of the time.
-
B.
Fourth Lateran Council
The Fourth Lateran Council was a landmark 13th-century ecumenical council of the Catholic Church that enacted wide-ranging reforms in doctrine, church discipline, and Christian society, including defining transubstantiation and regulating clerical and lay life.
-
C.
Fifth Lateran Council
The Fifth Lateran Council was the 18th ecumenical council of the Catholic Church, convened in Rome (1512–1517) to address church reform, condemn certain philosophical doctrines, and respond to emerging challenges on the eve of the Protestant Reformation.
-
D.
First Council of the Lateran
The First Council of the Lateran was a 12th-century ecumenical council of the Catholic Church convened by Pope Callixtus II that confirmed the Concordat of Worms and addressed church reform and clerical discipline.
-
E.
Second Council of Lyon
The Second Council of Lyon was a major 13th-century ecumenical council of the Catholic Church, convened in 1274 to address church reform, attempt reunion with the Eastern Orthodox Church, and organize a new crusade.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
12th-century event
ⓘ
Catholic Church council ⓘ ecumenical council ⓘ |
| addressedIssue |
discipline of regular and secular clergy
ⓘ
papal succession dispute ⓘ |
| aimedToResolve | papal schism of 1130 ⓘ |
| alsoKnownAs |
Lateran II
ⓘ
Second Council of the Lateran ⓘ
linked to:
Second Lateran Council
|
| approvedBy | Pope Innocent II ⓘ |
| approvedDoctrineOn | authority of the Roman pontiff ⓘ |
| belongsToChurch |
Catholic Church
ⓘ
linked to:
Catholic Church worldwide
|
| condemned |
excessive luxury in clerical dress
ⓘ
simony ⓘ usury by clerics ⓘ |
| confirmedPopeAsLegitimate | Pope Innocent II ⓘ |
| convenedBy | Pope Innocent II ⓘ |
| convokedInYear | 1139 ⓘ |
| declaredInvalid | ordinations conferred by Antipope Anacletus II ⓘ |
| ecumenicalCouncilNumber | 10 ⓘ |
| endDate | 1139-04-11 ⓘ |
| followedBy | Third Lateran Council ⓘ |
| forbadePractice |
bearing of arms by clerics
ⓘ
concubinage of clerics ⓘ marriage of priests ⓘ |
| heldAt |
Lateran Palace
ⓘ
linked to:
Lateran complex
|
| heldInCity | Rome ⓘ |
| heldInCountry | Papal States ⓘ |
| historicalPeriod | High Middle Ages ⓘ |
| issuedCanonOn |
clerical concubinage
ⓘ
clerical discipline ⓘ clerical marriage ⓘ monastic life ⓘ simony ⓘ tithes ⓘ use of arms by clergy ⓘ |
| issuedCanonsCount | 30 ⓘ |
| mainLanguage | Latin ⓘ |
| opposedClaimant | Antipope Anacletus II ⓘ |
| precededBy |
First Lateran Council
ⓘ
linked to:
First Council of the Lateran
|
| presidedOverBy | Pope Innocent II ⓘ |
| reaffirmedDisciplineOf | celibacy of Latin-rite clergy ⓘ |
| recognizedAsEcumenicalBy |
Catholic Church
ⓘ
linked to:
Catholic Church worldwide
|
| reformed | Western Church discipline ⓘ |
| regionAffected |
Western Christendom
ⓘ
linked to:
Western Christianity
|
| startDate | 1139-04-04 ⓘ |
| tookPlaceInBuilding |
Basilica of St. John Lateran
ⓘ
linked to:
Basilica of Saint John Lateran
|
| tookPlaceInCentury | 12th century ⓘ |
| typeOfReform | canonical reform ⓘ |
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: Second Lateran Council Description of subject: The Second Lateran Council was a 12th-century ecumenical council of the Catholic Church that sought to end the papal schism and reform clerical discipline in Western Christendom.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Second Lateran Council
linked to: Second Lateran Council
linked to: Second Lateran Council