Siege of Belfort
E221878
The Siege of Belfort was a notable Franco-Prussian War engagement in 1870–1871 in which French forces tenaciously defended the fortified city of Belfort against prolonged Prussian attack.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Siege of Belfort canonical | 3 |
| Siege of Belfort (1870–1871) | 1 |
| Siege of the Fortress of Belfort | 1 |
| defense of Belfort | 1 |
| siege of Belfort | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1980254 — 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: Siege of Belfort Context triple: [Lion of Belfort, commemorates, Siege of Belfort]
-
A.
Siege of Metz
The Siege of Metz was a pivotal 1870 encirclement and surrender of a large French army to Prussian forces, significantly shaping the outcome of the Franco-Prussian War.
-
B.
Siege of Huningue
The Siege of Huningue was a late Napoleonic-era military engagement in 1815 in which Allied forces blockaded and bombarded the French-held fortress of Huningue near the Rhine following Napoleon’s defeat at Waterloo.
-
C.
Siege of Paris
The Siege of Paris was a pivotal 1870–1871 military blockade by Prussian-led forces that led to the French capital’s surrender and effectively decided the outcome of the Franco-Prussian War.
-
D.
Siege of Lille
The Siege of Lille was a major 1708 Allied operation during the War of the Spanish Succession in which Marlborough and Prince Eugene captured the strongly fortified French city after a prolonged and costly siege.
-
E.
Alsace campaign
The Alsace campaign was a World War II military operation in northeastern France involving intense winter fighting as Allied forces sought to secure the Alsace region from German counterattacks.
- 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: Siege of Belfort Target entity description: The Siege of Belfort was a notable Franco-Prussian War engagement in 1870–1871 in which French forces tenaciously defended the fortified city of Belfort against prolonged Prussian attack.
-
A.
Siege of Metz
The Siege of Metz was a pivotal 1870 encirclement and surrender of a large French army to Prussian forces, significantly shaping the outcome of the Franco-Prussian War.
-
B.
Siege of Huningue
The Siege of Huningue was a late Napoleonic-era military engagement in 1815 in which Allied forces blockaded and bombarded the French-held fortress of Huningue near the Rhine following Napoleon’s defeat at Waterloo.
-
C.
Siege of Paris
The Siege of Paris was a pivotal 1870–1871 military blockade by Prussian-led forces that led to the French capital’s surrender and effectively decided the outcome of the Franco-Prussian War.
-
D.
Siege of Lille
The Siege of Lille was a major 1708 Allied operation during the War of the Spanish Succession in which Marlborough and Prince Eugene captured the strongly fortified French city after a prolonged and costly siege.
-
E.
Alsace campaign
The Alsace campaign was a World War II military operation in northeastern France involving intense winter fighting as Allied forces sought to secure the Alsace region from German counterattacks.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
battle of the Franco-Prussian War
ⓘ
military engagement ⓘ siege ⓘ |
| alsoKnownAs |
Siege of the Fortress of Belfort
ⓘ
linked to:
Siege of Belfort
|
| associatedWith |
Alsace region
ⓘ
linked to:
Alsace
Franco-German border changes ⓘ |
| attacker |
Baden forces
ⓘ
German forces ⓘ |
| attackingForceStrength | approximately 40,000 German and Baden troops ⓘ |
| belligerent |
French Third Republic
ⓘ
German Empire ⓘ Grand Duchy of Baden ⓘ |
| casualties | heavy on both sides ⓘ |
| cause | German attempt to capture Belfort fortress ⓘ |
| commander |
August von Werder
ⓘ
Pierre Philippe Denfert-Rochereau ⓘ Udo von Tresckow ⓘ |
| conflict | Franco-Prussian War ⓘ |
| countryAtTime | France ⓘ |
| defender | French garrison of Belfort ⓘ |
| duration | about 103 days ⓘ |
| endDate | 1871-02-18 ⓘ |
| endedBy | armistice between France and Germany ⓘ |
| followedBy | occupation arrangements after the armistice ⓘ |
| garrisonStrength | approximately 15,000 French troops ⓘ |
| hasFortification |
Belfort fortress
ⓘ
linked to:
Belfort citadel complex
|
| hasHero | Pierre Philippe Denfert-Rochereau ⓘ |
| historicalPeriod | 19th century ⓘ |
| impact | contributed to Belfort remaining French after the war ⓘ |
| location |
Belfort
ⓘ
linked to:
City of Belfort
France ⓘ Territoire de Belfort ⓘ |
| memorializedBy |
Lion of Belfort monument
ⓘ
linked to:
Lion of Belfort statue
|
| militaryObjective | control of strategic Belfort Gap ⓘ |
| notableFor |
prolonged bombardment of Belfort
ⓘ
refusal of Denfert-Rochereau to surrender until armistice ⓘ tenacious French defense ⓘ |
| partOf | Franco-Prussian War ⓘ |
| precededBy | earlier operations in eastern France in the Franco-Prussian War ⓘ |
| relatedTo |
Treaty of Frankfurt (1871)
ⓘ
linked to:
Treaty of Frankfurt
|
| result |
French tactical defense successful
ⓘ
strategic German victory ⓘ |
| startDate | 1870-11-03 ⓘ |
| surrenderTerms | French garrison allowed to march out with honors of war ⓘ |
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: Siege of Belfort Description of subject: The Siege of Belfort was a notable Franco-Prussian War engagement in 1870–1871 in which French forces tenaciously defended the fortified city of Belfort against prolonged Prussian attack.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Siege of Belfort
linked to: Siege of Belfort
linked to: Siege of Belfort
linked to: Siege of Belfort
subject linked to:
Lion of Belfort statue