Hadamar Memorial Site
E840612
The Hadamar Memorial Site is a museum and place of remembrance in Germany that commemorates the victims of the Nazi “euthanasia” killings carried out at the former Hadamar psychiatric institution.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hadamar Memorial Site canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10103169 — 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: Hadamar Memorial Site Context triple: [Hadamar, hasMemorial, Hadamar Memorial Site]
-
A.
Sachsenhausen Memorial and Museum
Sachsenhausen Memorial and Museum is a historical site and educational center in Oranienburg, Germany, preserving the remains of the former Sachsenhausen concentration camp and commemorating its victims.
-
B.
Berlin-Hohenschönhausen Memorial
The Berlin-Hohenschönhausen Memorial is a museum and memorial site at a former Stasi prison in Berlin, documenting political persecution and state security operations in the GDR.
-
C.
Nuremberg Trials Memorial
The Nuremberg Trials Memorial is a museum and documentation center in Nuremberg, Germany, dedicated to preserving and interpreting the history and legacy of the post–World War II war crimes trials held there.
-
D.
Gedenkstätte Günter Litfin
Gedenkstätte Günter Litfin is a memorial site in Berlin dedicated to Günter Litfin, one of the first victims shot while attempting to escape across the Berlin Wall, commemorating the human cost of Germany’s division.
-
E.
Haus der Wannsee-Konferenz memorial and educational site
The Haus der Wannsee-Konferenz memorial and educational site is a museum and documentation center in Berlin dedicated to examining the 1942 Wannsee Conference and the planning of the Holocaust.
- 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: Hadamar Memorial Site Target entity description: The Hadamar Memorial Site is a museum and place of remembrance in Germany that commemorates the victims of the Nazi “euthanasia” killings carried out at the former Hadamar psychiatric institution.
-
A.
Sachsenhausen Memorial and Museum
Sachsenhausen Memorial and Museum is a historical site and educational center in Oranienburg, Germany, preserving the remains of the former Sachsenhausen concentration camp and commemorating its victims.
-
B.
Berlin-Hohenschönhausen Memorial
The Berlin-Hohenschönhausen Memorial is a museum and memorial site at a former Stasi prison in Berlin, documenting political persecution and state security operations in the GDR.
-
C.
Nuremberg Trials Memorial
The Nuremberg Trials Memorial is a museum and documentation center in Nuremberg, Germany, dedicated to preserving and interpreting the history and legacy of the post–World War II war crimes trials held there.
-
D.
Gedenkstätte Günter Litfin
Gedenkstätte Günter Litfin is a memorial site in Berlin dedicated to Günter Litfin, one of the first victims shot while attempting to escape across the Berlin Wall, commemorating the human cost of Germany’s division.
-
E.
Haus der Wannsee-Konferenz memorial and educational site
The Haus der Wannsee-Konferenz memorial and educational site is a museum and documentation center in Berlin dedicated to examining the 1942 Wannsee Conference and the planning of the Holocaust.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
memorial site
ⓘ
museum ⓘ place of remembrance ⓘ |
| commemorates |
people with disabilities murdered under National Socialism
ⓘ
victims of Aktion T4 ⓘ victims of Nazi euthanasia killings ⓘ |
| coordinateLocation | 50.450°N 8.050°E ⓘ |
| country | Germany NERFINISHED ⓘ |
| dedicatedTo | remembrance and education about Nazi medical crimes ⓘ |
| formerUseOfSite |
Nazi euthanasia killing center
ⓘ
psychiatric institution ⓘ |
| hasAccessibility | open to the public ⓘ |
| hasCategory |
Holocaust memorials in Germany
ⓘ
Museums in Hesse ⓘ |
| hasMemorialType | on-site memorial at crime scene ⓘ |
| hasNearbyPlace | town of Hadamar NERFINISHED ⓘ |
| hasPart |
cemetery for victims
ⓘ
documentation center ⓘ educational facilities ⓘ exhibition on Nazi euthanasia program ⓘ memorial room ⓘ |
| hasSignificantEvent | opening of permanent exhibition on Nazi euthanasia ⓘ |
| heritageDesignation | cultural heritage monument ⓘ |
| inception | 1983 ⓘ |
| languageOfWorkOrName | German ⓘ |
| locatedIn | Hadamar NERFINISHED ⓘ |
| locatedInAdministrativeTerritory | Hesse NERFINISHED ⓘ |
| locatedInBuilding |
former Hadamar killing center
ⓘ
former Hadamar psychiatric institution ⓘ |
| locatedInFormerCountry | Nazi Germany NERFINISHED ⓘ |
| locatedInTimeZone | Central European Time ⓘ |
| numberOfVictimsCommemoratedApprox | 15000 GENERATED ⓘ |
| offers |
educational programs for schools
ⓘ
guided tours ⓘ public lectures ⓘ teacher training ⓘ |
| operator | State of Hesse NERFINISHED ⓘ |
| partOf | network of memorials to the victims of National Socialism in Germany ⓘ |
| periodOfUseAsKillingCenter | 1941–1945 ⓘ |
| purpose |
civic education
ⓘ
commemoration of victims ⓘ historical documentation ⓘ |
| subjectOf | research on Nazi euthanasia ⓘ |
| theme |
National Socialist health policy
NERFINISHED
ⓘ
crimes against people with mental and physical disabilities ⓘ history of Hadamar killing center ⓘ |
| website | https://www.hadamar.de/gedenkstaette ⓘ |
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: Hadamar Memorial Site Description of subject: The Hadamar Memorial Site is a museum and place of remembrance in Germany that commemorates the victims of the Nazi “euthanasia” killings carried out at the former Hadamar psychiatric institution.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.