Möhne Dam
E44569
Möhne Dam is a major German gravity dam in North Rhine-Westphalia, historically known for being breached by the RAF’s “Dambusters” raid during World War II.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Möhne Dam canonical | 16 |
| Möhne Reservoir | 6 |
| Möhne Dam hydroelectric power plant | 1 |
| Möhne Dam spillway | 1 |
| Möhne hydropower plant | 1 |
| Möhnetalsperre | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T351995 — 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: Möhne Dam Context triple: [Operation Chastise, target, Möhne Dam]
-
A.
Volkerakdam
Volkerakdam is a major Dutch dam and water management structure that forms part of the Delta Works system, helping to control water levels and protect against flooding in the Rhine–Meuse–Scheldt delta.
-
B.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
C.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
D.
Quakenbrück
Quakenbrück is a small historic town in Lower Saxony, Germany, known for its medieval architecture and location in the Artland region.
-
E.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
- 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: Möhne Dam Target entity description: Möhne Dam is a major German gravity dam in North Rhine-Westphalia, historically known for being breached by the RAF’s “Dambusters” raid during World War II.
-
A.
Volkerakdam
Volkerakdam is a major Dutch dam and water management structure that forms part of the Delta Works system, helping to control water levels and protect against flooding in the Rhine–Meuse–Scheldt delta.
-
B.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
C.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
D.
Quakenbrück
Quakenbrück is a small historic town in Lower Saxony, Germany, known for its medieval architecture and location in the Artland region.
-
E.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
gravity dam ⓘ |
| alsoKnownAs |
Möhne Dam
ⓘ
surface form:
Möhnetalsperre
|
| architecturalStyle | masonry gravity dam ⓘ |
| attackDate | 17 May 1943 ⓘ |
| attackedBy | Royal Air Force ⓘ |
| attackedWith | bouncing bombs ⓘ |
| basinCountry | Germany ⓘ |
| casualtiesAssociatedWithEvent | over 1,000 people killed in 1943 flood ⓘ |
| constructionStartDate | 1908 ⓘ |
| country | Germany ⓘ |
| damage | breach of central section in 1943 raid ⓘ |
| designedBy | Otto Intze ⓘ |
| hasPowerPlant |
Möhne Dam
self-linksurface differs
ⓘ
surface form:
Möhne hydropower plant
|
| hasSpillway | overflow spillway ⓘ |
| height | approximately 40 m ⓘ |
| heritageStatus | industrial heritage site ⓘ |
| impounds |
Möhne Dam
self-linksurface differs
ⓘ
surface form:
Möhne Reservoir
|
| length | approximately 650 m ⓘ |
| locatedIn | North Rhine-Westphalia ⓘ |
| locatedInProtectedArea | Arnsberg Forest Nature Park ⓘ |
| locatedNear |
Arnsberg
ⓘ
Soest ⓘ |
| locatedOn | Möhne River ⓘ |
| material |
concrete
ⓘ
rubble masonry ⓘ |
| nearCity |
Körbecke
ⓘ
Möhnesee ⓘ |
| notableEvent | breached in Operation Chastise ⓘ |
| openingDate | 1913 ⓘ |
| operator | Ruhrverband ⓘ |
| partOf |
Dambusters Raid sites
ⓘ
Ruhr river water management system ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ low-flow regulation ⓘ water supply ⓘ |
| reconstructionCompletionDate | 1944 ⓘ |
| reconstructionStartDate | 1943 ⓘ |
| region | Sauerland ⓘ |
| reservoirCapacity | approximately 135 million cubic metres ⓘ |
| reservoirSurfaceArea | approximately 10.4 square kilometres ⓘ |
| touristAttraction | yes ⓘ |
| usedFor |
fishing
ⓘ
recreation ⓘ sailing ⓘ water sports ⓘ |
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: Möhne Dam Description of subject: Möhne Dam is a major German gravity dam in North Rhine-Westphalia, historically known for being breached by the RAF’s “Dambusters” raid during World War II.
Referenced by (26)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Möhne Reservoir
this entity surface form:
Möhnetalsperre
this entity surface form:
Möhne hydropower plant
this entity surface form:
Möhne Reservoir
this entity surface form:
Möhne Reservoir
this entity surface form:
Möhne Reservoir
this entity surface form:
Möhne Reservoir
this entity surface form:
Möhne Dam hydroelectric power plant
this entity surface form:
Möhne Dam spillway