T4 Memorial for the Victims of the Nazi Euthanasia Program
E747140
The T4 Memorial for the Victims of the Nazi Euthanasia Program is a commemorative site in Berlin that honors and informs about the disabled and mentally ill people murdered under the Nazis’ so-called “euthanasia” killings.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T8633606 — 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: T4 Memorial for the Victims of the Nazi Euthanasia Program Context triple: [Tiergartenstrasse 4, memorial, T4 Memorial for the Victims of the Nazi Euthanasia Program]
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A.
Holocaust and Revival monument
The Holocaust and Revival monument is a public memorial in Tel Aviv commemorating the victims of the Holocaust and the rebirth of the Jewish people in the State of Israel.
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B.
National Memorial to the Heroes of the Heydrich Terror
The National Memorial to the Heroes of the Heydrich Terror is a commemorative site in Prague honoring the Czechoslovak resistance fighters who carried out the assassination of Nazi official Reinhard Heydrich and were subsequently killed in the city’s 1942 reprisals.
-
C.
Lidice Memorial
The Lidice Memorial is a Czech national memorial complex honoring the victims and preserving the memory of the village of Lidice, which was destroyed by the Nazis during World War II.
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D.
Treblinka extermination camp monument
The Treblinka extermination camp monument is a large, symbolic memorial complex in Poland commemorating the victims of the Nazi death camp Treblinka through abstract stone forms and a central shattered monolith.
-
E.
Warsaw Ghetto Heroes Monument
The Warsaw Ghetto Heroes Monument is a major memorial in Warsaw honoring the Jewish resistance fighters and victims of the Warsaw Ghetto during World War II.
- 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: T4 Memorial for the Victims of the Nazi Euthanasia Program Target entity description: The T4 Memorial for the Victims of the Nazi Euthanasia Program is a commemorative site in Berlin that honors and informs about the disabled and mentally ill people murdered under the Nazis’ so-called “euthanasia” killings.
-
A.
Holocaust and Revival monument
The Holocaust and Revival monument is a public memorial in Tel Aviv commemorating the victims of the Holocaust and the rebirth of the Jewish people in the State of Israel.
-
B.
National Memorial to the Heroes of the Heydrich Terror
The National Memorial to the Heroes of the Heydrich Terror is a commemorative site in Prague honoring the Czechoslovak resistance fighters who carried out the assassination of Nazi official Reinhard Heydrich and were subsequently killed in the city’s 1942 reprisals.
-
C.
Lidice Memorial
The Lidice Memorial is a Czech national memorial complex honoring the victims and preserving the memory of the village of Lidice, which was destroyed by the Nazis during World War II.
-
D.
Treblinka extermination camp monument
The Treblinka extermination camp monument is a large, symbolic memorial complex in Poland commemorating the victims of the Nazi death camp Treblinka through abstract stone forms and a central shattered monolith.
-
E.
Warsaw Ghetto Heroes Monument
The Warsaw Ghetto Heroes Monument is a major memorial in Warsaw honoring the Jewish resistance fighters and victims of the Warsaw Ghetto during World War II.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
commemorative site
ⓘ
memorial ⓘ |
| associatedWith |
German Federal Government remembrance policy
ⓘ
culture of remembrance in Germany ⓘ |
| category |
Holocaust memorials in Germany
ⓘ
Memorials to victims of Nazism ⓘ Monuments and memorials in Berlin ⓘ |
| commemorates |
disabled people murdered by the Nazis
ⓘ
mentally ill people murdered by the Nazis ⓘ victims of Aktion T4 ⓘ victims of Nazi euthanasia program ⓘ victims of Nazi forced euthanasia ⓘ |
| country | Germany ⓘ |
| dedicatedTo |
people with disabilities persecuted by the Nazis
ⓘ
psychiatric patients murdered under Nazi rule ⓘ |
| hasNameInEnglish | T4 Memorial for the Victims of the Nazi Euthanasia Program ⓘ |
| hasNameInGerman | T4-Gedenkstätte für die Opfer der nationalsozialistischen „Euthanasie“-Morde ⓘ |
| hasTypeOfContent |
biographical information about victims
ⓘ
explanatory texts ⓘ historical photographs ⓘ |
| historicalContext |
National Socialism in Germany
ⓘ
Second World War ⓘ
linked to:
World War II
|
| isPartOf | network of Nazi memorials in Berlin ⓘ |
| languageOfInformation |
English
ⓘ
German ⓘ |
| locatedAtFormerSiteOf | headquarters of Aktion T4 ⓘ |
| locatedAtStreet | Tiergartenstraße 4 ⓘ |
| locatedIn |
Berlin
ⓘ
Berlin-Mitte ⓘ
linked to:
Berlin-Mitte locality
Tiergarten ⓘ |
| memorialType |
outdoor memorial
ⓘ
site-specific memorial ⓘ |
| namedAfter |
Tiergartenstraße 4
ⓘ
linked to:
Tiergartenstrasse 4
|
| openTo | public ⓘ |
| purpose |
commemoration
ⓘ
public education ⓘ raising awareness of Nazi euthanasia killings ⓘ |
| relatedTo |
Aktion T4
ⓘ
linked to:
Aktion T4 euthanasia program
Holocaust remembrance in Germany ⓘ Nazi euthanasia program ⓘ
linked to:
Aktion T4 euthanasia program
|
| subjectOf | historical information panels ⓘ |
| theme |
Nazi crimes against disabled people
ⓘ
remembrance of Nazi medical crimes ⓘ |
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: T4 Memorial for the Victims of the Nazi Euthanasia Program Description of subject: The T4 Memorial for the Victims of the Nazi Euthanasia Program is a commemorative site in Berlin that honors and informs about the disabled and mentally ill people murdered under the Nazis’ so-called “euthanasia” killings.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
T4 Memorial for the Victims of the Nazi Euthanasia Program
→
hasNameInEnglish
→
T4 Memorial for the Victims of the Nazi Euthanasia Program
ⓘ
T4 Memorial for the Victims of the Nazi Euthanasia Program
→
hasNameInGerman
→
T4-Gedenkstätte für die Opfer der nationalsozialistischen „Euthanasie“-Morde
ⓘ
linked to: T4 Memorial for the Victims of the Nazi Euthanasia Program