Porta Pia
E723970
Porta Pia is a historic gate in Rome’s Aurelian Walls, best known as the site where Italian troops breached the city in 1870, leading to the end of Papal temporal power and the unification of Italy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Porta Pia canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8228434 — 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: Porta Pia Context triple: [Capture of Rome, significantPlace, Porta Pia]
-
A.
Porta San Paolo
Porta San Paolo is a well-preserved ancient city gate in Rome, historically serving as the starting point of the Via Ostiense and standing near the Pyramid of Cestius.
-
B.
Porta Napoletana
Porta Napoletana is a historic city gate in Velletri, Italy, traditionally marking the entrance of the road toward Naples and serving as a notable architectural landmark of the town.
-
C.
Porta San Giovanni
Porta San Giovanni is a monumental gate in the Aurelian Walls of Rome, serving as a historic entrance to the city near the Basilica of St. John Lateran.
-
D.
Porta Reale
Porta Reale is a monumental 19th-century triumphal arch that serves as the main historic gateway into the Baroque town of Noto in Sicily, Italy.
-
E.
Porta Leoni
Porta Leoni is an ancient Roman city gate and archaeological site in Verona, Italy, notable for its partially preserved remains and historical significance.
- 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: Porta Pia Target entity description: Porta Pia is a historic gate in Rome’s Aurelian Walls, best known as the site where Italian troops breached the city in 1870, leading to the end of Papal temporal power and the unification of Italy.
-
A.
Porta San Paolo
Porta San Paolo is a well-preserved ancient city gate in Rome, historically serving as the starting point of the Via Ostiense and standing near the Pyramid of Cestius.
-
B.
Porta Napoletana
Porta Napoletana is a historic city gate in Velletri, Italy, traditionally marking the entrance of the road toward Naples and serving as a notable architectural landmark of the town.
-
C.
Porta San Giovanni
Porta San Giovanni is a monumental gate in the Aurelian Walls of Rome, serving as a historic entrance to the city near the Basilica of St. John Lateran.
-
D.
Porta Reale
Porta Reale is a monumental 19th-century triumphal arch that serves as the main historic gateway into the Baroque town of Noto in Sicily, Italy.
-
E.
Porta Leoni
Porta Leoni is an ancient Roman city gate and archaeological site in Verona, Italy, notable for its partially preserved remains and historical significance.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
city gate
ⓘ
historic monument ⓘ |
| architect |
Michelangelo
NERFINISHED
ⓘ
Michelangelo Buonarroti NERFINISHED ⓘ |
| category |
Buildings and structures in Rome
ⓘ
City walls of Rome ⓘ Gates of Rome NERFINISHED ⓘ |
| connectsWith |
Piazza di Porta Pia
NERFINISHED
ⓘ
Via Nomentana NERFINISHED ⓘ |
| constructionStartDate | 1561 ⓘ |
| coordinateLocation | 41.910°N 12.505°E ⓘ |
| country | Italy ⓘ |
| hasInscription | inscription commemorating 20 September 1870 ⓘ |
| hasNearbyBuilding |
Ministry of Infrastructure and Transport (Italy)
NERFINISHED
ⓘ
Porta Pia Barracks NERFINISHED ⓘ |
| hasNearbyMonument | Monument to the Breach of Porta Pia NERFINISHED ⓘ |
| hasNearbySquare | Piazza di Porta Pia NERFINISHED ⓘ |
| hasPart |
Porta Pia external façade
NERFINISHED
ⓘ
Porta Pia façade toward the city ⓘ |
| heritageDesignation | cultural heritage of Italy ⓘ |
| imageDepicts | Breach of Porta Pia (1870) in historical paintings ⓘ |
| inception | 16th century ⓘ |
| locatedIn |
Italy
ⓘ
Rome ⓘ |
| locatedInAdministrativeEntity | Comune di Roma NERFINISHED ⓘ |
| locatedInRegion | Lazio NERFINISHED ⓘ |
| locatedInTimeZone |
Central European Summer Time
ⓘ
Central European Time ⓘ |
| locatedNear | Porta Nomentana (former gate) NERFINISHED ⓘ |
| locatedOn | Aurelian Walls NERFINISHED ⓘ |
| materialUsed |
brick
ⓘ
travertine ⓘ |
| namedAfter | Pope Pius IV NERFINISHED ⓘ |
| ownedBy | Italian state NERFINISHED ⓘ |
| partOf |
Aurelian Walls
NERFINISHED
ⓘ
historic center of Rome ⓘ |
| presentUse | road traffic passage ⓘ |
| replaced | Porta Nomentana NERFINISHED ⓘ |
| significantEvent |
Breaching of Rome on 20 September 1870
ⓘ
Capture of Rome NERFINISHED ⓘ end of Papal temporal power ⓘ unification of Italy ⓘ |
| streetAddress | Via Nomentana NERFINISHED ⓘ |
| touristAttraction | yes ⓘ |
| usedFor | city gate of Rome ⓘ |
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: Porta Pia Description of subject: Porta Pia is a historic gate in Rome’s Aurelian Walls, best known as the site where Italian troops breached the city in 1870, leading to the end of Papal temporal power and the unification of Italy.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.