Bomarsund fortress
E637363
Bomarsund fortress was a 19th-century Russian-built stronghold in the Åland Islands that became notable for its destruction during the Crimean War.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Bomarsund | 1 |
| Bomarsund fortress canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7031918 — 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: Bomarsund fortress Context triple: [Bombardment of Bomarsund, target, Bomarsund fortress]
-
A.
Lappeenranta Fortress
Lappeenranta Fortress is a historic 18th-century bastion fortress in Lappeenranta, Finland, known for its preserved fortifications, museums, and role in regional military history.
-
B.
Varberg Fortress
Varberg Fortress is a historic coastal stronghold in Varberg, Sweden, known for its well-preserved fortifications and strategic position on the Kattegat.
-
C.
Vaxholm Fortress
Vaxholm Fortress is a historic coastal stronghold in the Stockholm archipelago of Sweden, built to defend the approach to the capital and now serving as a museum and cultural attraction.
-
D.
Fredriksten fortress
Fredriksten fortress is a historic Norwegian stronghold in the town of Halden, best known for its role in defending Norway against Swedish invasions in the 17th and 18th centuries.
-
E.
Vyborg Castle
Vyborg Castle is a medieval Swedish-built fortress located on a small island in the town of Vyborg, Russia, known for its well-preserved tower and strategic historical significance in the Baltic region.
- 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: Bomarsund fortress Target entity description: Bomarsund fortress was a 19th-century Russian-built stronghold in the Åland Islands that became notable for its destruction during the Crimean War.
-
A.
Lappeenranta Fortress
Lappeenranta Fortress is a historic 18th-century bastion fortress in Lappeenranta, Finland, known for its preserved fortifications, museums, and role in regional military history.
-
B.
Varberg Fortress
Varberg Fortress is a historic coastal stronghold in Varberg, Sweden, known for its well-preserved fortifications and strategic position on the Kattegat.
-
C.
Vaxholm Fortress
Vaxholm Fortress is a historic coastal stronghold in the Stockholm archipelago of Sweden, built to defend the approach to the capital and now serving as a museum and cultural attraction.
-
D.
Fredriksten fortress
Fredriksten fortress is a historic Norwegian stronghold in the town of Halden, best known for its role in defending Norway against Swedish invasions in the 17th and 18th centuries.
-
E.
Vyborg Castle
Vyborg Castle is a medieval Swedish-built fortress located on a small island in the town of Vyborg, Russia, known for its well-preserved tower and strategic historical significance in the Baltic region.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
fortress
ⓘ
military installation ⓘ |
| architecturalStyle | 19th-century military architecture ⓘ |
| attackedBy |
French Navy
NERFINISHED
ⓘ
Royal Navy NERFINISHED ⓘ |
| battles | Siege of Bomarsund NERFINISHED ⓘ |
| conflict | Crimean War ⓘ |
| constructedBy | Russian Empire NERFINISHED ⓘ |
| constructionEnd | 1850s ⓘ |
| constructionStart | 1830 ⓘ |
| continent | Europe ⓘ |
| country | Russian Empire ⓘ |
| demilitarizationContext | Åland Islands demilitarization ⓘ |
| destroyedBy |
France
NERFINISHED
ⓘ
United Kingdom NERFINISHED ⓘ |
| destroyedIn | Crimean War NERFINISHED ⓘ |
| destructionDate | 1854 ⓘ |
| garrisonedBy |
Imperial Russian Navy
NERFINISHED
ⓘ
Russian Army NERFINISHED ⓘ |
| hasFunction |
coastal defense
ⓘ
military garrison ⓘ |
| hasPart |
artillery batteries
ⓘ
barracks ⓘ main fortress complex ⓘ outlying defensive towers ⓘ |
| heritageStatus | cultural heritage site ⓘ |
| languageOfOfficialName | Russian ⓘ |
| locatedIn |
Baltic Sea
ⓘ
Finland NERFINISHED ⓘ Sund, Åland NERFINISHED ⓘ Åland Islands NERFINISHED ⓘ |
| locatedOn | Bomarsund strait NERFINISHED ⓘ |
| material |
brick
ⓘ
stone ⓘ |
| namedAfter | Bomarsund area NERFINISHED ⓘ |
| near | Mariehamn (Åland) NERFINISHED ⓘ |
| operator | Russian military authorities ⓘ |
| ownedBy | Russian Empire NERFINISHED ⓘ |
| partOf | Russian coastal defenses in the Baltic Sea ⓘ |
| presentUse |
historical monument
ⓘ
tourist attraction ⓘ |
| region | Nordic countries NERFINISHED ⓘ |
| relatedToTreaty | Treaty of Paris (1856) NERFINISHED ⓘ |
| significantEvent | Siege of Bomarsund NERFINISHED ⓘ |
| startDate | 1830s ⓘ |
| status | ruins ⓘ |
| strategicImportance | control of sea routes in the northern Baltic Sea ⓘ |
| timePeriod | 19th century ⓘ |
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: Bomarsund fortress Description of subject: Bomarsund fortress was a 19th-century Russian-built stronghold in the Åland Islands that became notable for its destruction during the Crimean War.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Bomarsund