Canossa Castle
E360401
Canossa Castle is a historic fortress in northern Italy famed as the site where Holy Roman Emperor Henry IV performed penance before Pope Gregory VII in 1077 during the Investiture Controversy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Canossa Castle canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T3439063 — 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: Canossa Castle Context triple: [Walk to Canossa, hasLocation, Canossa Castle]
-
A.
Aragonese Castle
Aragonese Castle is a historic medieval fortress perched on a rocky islet off the coast of Ischia in the Bay of Naples, Italy, known for its dramatic views and centuries of strategic and cultural significance.
-
B.
Valère Castle
Valère Castle is a historic fortified complex overlooking the town of Sion in the Swiss canton of Valais, notable for its medieval architecture and hilltop basilica.
-
C.
Grandson Castle
Grandson Castle is a well-preserved medieval fortress in the municipality of Grandson in Switzerland, renowned for its historical significance and imposing lakeside setting.
-
D.
San Pedro de la Roca Castle
San Pedro de la Roca Castle is a 17th-century Spanish coastal fortress near Santiago de Cuba, renowned for its well-preserved military architecture and strategic position overlooking the Caribbean Sea.
-
E.
Castro Marim Castle
Castro Marim Castle is a historic medieval fortress in Portugal’s Algarve region, notable for its strategic hilltop position near the Guadiana River and the Spanish border.
- 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: Canossa Castle Target entity description: Canossa Castle is a historic fortress in northern Italy famed as the site where Holy Roman Emperor Henry IV performed penance before Pope Gregory VII in 1077 during the Investiture Controversy.
-
A.
Aragonese Castle
Aragonese Castle is a historic medieval fortress perched on a rocky islet off the coast of Ischia in the Bay of Naples, Italy, known for its dramatic views and centuries of strategic and cultural significance.
-
B.
Valère Castle
Valère Castle is a historic fortified complex overlooking the town of Sion in the Swiss canton of Valais, notable for its medieval architecture and hilltop basilica.
-
C.
Grandson Castle
Grandson Castle is a well-preserved medieval fortress in the municipality of Grandson in Switzerland, renowned for its historical significance and imposing lakeside setting.
-
D.
San Pedro de la Roca Castle
San Pedro de la Roca Castle is a 17th-century Spanish coastal fortress near Santiago de Cuba, renowned for its well-preserved military architecture and strategic position overlooking the Caribbean Sea.
-
E.
Castro Marim Castle
Castro Marim Castle is a historic medieval fortress in Portugal’s Algarve region, notable for its strategic hilltop position near the Guadiana River and the Spanish border.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
fortress
ⓘ
historic site ⓘ medieval castle ⓘ |
| architecturalStyle | medieval fortification ⓘ |
| associatedConflict | struggle between papacy and Holy Roman Empire ⓘ |
| builtBy | Adalbert Atto of Canossa ⓘ |
| builtFor | House of Canossa ⓘ |
| constructedInCentury | 10th century ⓘ |
| controlledByIn1077 | Matilda of Tuscany ⓘ |
| country | Italy ⓘ |
| currentCondition | ruin ⓘ |
| eventDescription | Henry IV waited in the snow outside the castle seeking absolution in 1077 ⓘ |
| function |
military stronghold
ⓘ
residence of the Canossa family ⓘ |
| governedBy | municipality of Canossa ⓘ |
| hasNearbySite | museum of Canossa ⓘ |
| hasStructure |
ruined walls
ⓘ
tower remains ⓘ |
| heritageStatus |
cultural heritage site in Italy
ⓘ
tourist attraction ⓘ |
| historicalEvent |
Investiture Controversy
ⓘ
Penance of Henry IV ⓘ Walk to Canossa ⓘ |
| influencedTerm |
Walk to Canossa
ⓘ
surface form:
Walk to Canossa (political idiom)
to go to Canossa (German political expression) ⓘ |
| locatedIn | Canossa, Emilia-Romagna ⓘ |
| locatedInRegion |
Province of Reggio Emilia
ⓘ
Northern Italy ⓘ
surface form:
northern Italy
|
| locatedNear |
Apennines
ⓘ
surface form:
Apennine Mountains
|
| locatedOn | rocky outcrop ⓘ |
| materialUsed | stone ⓘ |
| mentionedIn | medieval chronicles ⓘ |
| namedAfter | House of Canossa ⓘ |
| notableDate | January 1077 ⓘ |
| notableFigureAssociated |
Henry IV, Holy Roman Emperor
ⓘ
Matilda of Tuscany ⓘ Pope Gregory VII ⓘ |
| overlooks | surrounding valleys of the Reggio Emilia area ⓘ |
| partOf | historical region of Tuscany’s sphere of influence ⓘ |
| religiousSignificance | site of imperial penance before the pope ⓘ |
| symbolism |
symbol of papal authority over secular rulers
ⓘ
symbol of the Investiture Controversy ⓘ |
| tourismActivity |
guided tours
ⓘ
historical interpretation exhibits ⓘ |
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: Canossa Castle Description of subject: Canossa Castle is a historic fortress in northern Italy famed as the site where Holy Roman Emperor Henry IV performed penance before Pope Gregory VII in 1077 during the Investiture Controversy.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.