Battle of the Grebbeberg in May 1940
E1046456
The Battle of the Grebbeberg in May 1940 was a key early World War II clash in the Netherlands, where Dutch forces mounted a major but ultimately unsuccessful defense against the invading German army.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battle of the Grebbeberg in May 1940 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13544029 — 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: Battle of the Grebbeberg in May 1940 Context triple: [Rhenen, historicalEvent, Battle of the Grebbeberg in May 1940]
-
A.
Battle of Gembloux (1940)
The Battle of Gembloux (1940) was a major World War II clash in Belgium where French and German forces fought fiercely during the German invasion of the Low Countries.
-
B.
Battle of the Ardennes (1940)
The Battle of the Ardennes (1940) was an early World War II clash during the German invasion of France and the Low Countries, where German forces exploited the difficult Ardennes terrain to outflank Allied defenses and achieve a rapid breakthrough.
-
C.
Battle of Antwerp (1914)
The Battle of Antwerp (1914) was a major early World War I siege in which German forces captured the heavily fortified Belgian port city of Antwerp after a prolonged defense by Belgian troops supported by British units, including the Royal Naval Division.
-
D.
Battle of Liège
The Battle of Liège was the opening engagement of World War I on the Western Front, where German forces launched a major assault on Belgium’s fortified city of Liège in August 1914.
-
E.
Battle of Fort Eben-Emael
The Battle of Fort Eben-Emael was a pivotal early World War II engagement in May 1940 in which German airborne troops used innovative glider-borne assaults and shaped charges to neutralize a key Belgian fortress, enabling the rapid German advance into Western Europe.
- 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: Battle of the Grebbeberg in May 1940 Target entity description: The Battle of the Grebbeberg in May 1940 was a key early World War II clash in the Netherlands, where Dutch forces mounted a major but ultimately unsuccessful defense against the invading German army.
-
A.
Battle of Gembloux (1940)
The Battle of Gembloux (1940) was a major World War II clash in Belgium where French and German forces fought fiercely during the German invasion of the Low Countries.
-
B.
Battle of the Ardennes (1940)
The Battle of the Ardennes (1940) was an early World War II clash during the German invasion of France and the Low Countries, where German forces exploited the difficult Ardennes terrain to outflank Allied defenses and achieve a rapid breakthrough.
-
C.
Battle of Antwerp (1914)
The Battle of Antwerp (1914) was a major early World War I siege in which German forces captured the heavily fortified Belgian port city of Antwerp after a prolonged defense by Belgian troops supported by British units, including the Royal Naval Division.
-
D.
Battle of Liège
The Battle of Liège was the opening engagement of World War I on the Western Front, where German forces launched a major assault on Belgium’s fortified city of Liège in August 1914.
-
E.
Battle of Fort Eben-Emael
The Battle of Fort Eben-Emael was a pivotal early World War II engagement in May 1940 in which German airborne troops used innovative glider-borne assaults and shaped charges to neutralize a key Belgian fortress, enabling the rapid German advance into Western Europe.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
military engagement ⓘ |
| alsoKnownAs | Slag om de Grebbeberg NERFINISHED ⓘ |
| belligerent |
Kingdom of the Netherlands
NERFINISHED
ⓘ
Nazi Germany ⓘ |
| casualties |
hundreds of Dutch soldiers killed
ⓘ
hundreds of German soldiers killed ⓘ |
| cause | German attempt to break through Dutch defensive lines towards the interior of the Netherlands ⓘ |
| combatant |
Dutch II Army Corps
NERFINISHED
ⓘ
German 207th Infantry Division NERFINISHED ⓘ Royal Netherlands Army NERFINISHED ⓘ Wehrmacht NERFINISHED ⓘ |
| commemoratedBy | annual remembrance ceremonies at Grebbeberg cemetery ⓘ |
| conflict |
World War II
ⓘ
surface form:
Second World War
|
| country | Netherlands ⓘ |
| countryInvolved |
Germany
ⓘ
Netherlands NERFINISHED ⓘ |
| defensiveLine |
Dutch main defense line on the eastern front of the Grebbe Line
ⓘ
Grebbe Line NERFINISHED ⓘ |
| endDate | 1940-05-13 ⓘ |
| followedBy |
Capitulation of the Netherlands (excluding Zeeland) on 1940-05-15
NERFINISHED
ⓘ
German advance towards the Dutch Water Line ⓘ |
| fortifications |
anti-tank obstacles
ⓘ
barbed wire obstacles ⓘ bunkers ⓘ trenches ⓘ |
| front | Western Front of World War II NERFINISHED ⓘ |
| historicalContext | occurred during the first week of the German offensive in the West in 1940 ⓘ |
| location |
Grebbeberg
NERFINISHED
ⓘ
Rhenen NERFINISHED ⓘ Utrecht province NERFINISHED ⓘ |
| memorial | Grebbeberg military cemetery NERFINISHED ⓘ |
| notableFeature |
Dutch counterattacks to retake lost positions
ⓘ
breach of the Dutch front line on the Grebbeberg ⓘ fighting on steep wooded slopes of the Grebbeberg hill ⓘ heavy German artillery and air support ⓘ intense close-quarters combat in trenches and foxholes ⓘ |
| objective | breach of the Grebbe Line ⓘ |
| partOf |
Battle of the Netherlands
NERFINISHED
ⓘ
German invasion of the Netherlands NERFINISHED ⓘ |
| precededBy | German invasion of the Netherlands on 1940-05-10 NERFINISHED ⓘ |
| result | German victory ⓘ |
| significance |
major early clash in the German invasion of the Netherlands
ⓘ
symbol of Dutch resistance in May 1940 ⓘ |
| startDate | 1940-05-11 ⓘ |
| terrain |
hill
ⓘ
wooded area ⓘ |
| timePeriod | May 1940 ⓘ |
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: Battle of the Grebbeberg in May 1940 Description of subject: The Battle of the Grebbeberg in May 1940 was a key early World War II clash in the Netherlands, where Dutch forces mounted a major but ultimately unsuccessful defense against the invading German army.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.