| gptkbp:instanceOf | gptkb:Nazi_program 
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                                | gptkbp:alsoKnownAs | gptkb:Aktion_T4 
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                                | gptkbp:approvedBy | gptkb:Adolf_Hitler 
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                                | gptkbp:category | gptkb:Nazi_war_crimes Crimes against humanity
 
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                                | gptkbp:country | gptkb:Nazi_Germany 
 | 
                        
                            
                                | gptkbp:endDate | 1945 
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                                | gptkbp:influenced | gptkb:Holocaust 
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                                | gptkbp:legacy | precedent for Holocaust methods 
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                                | gptkbp:legalBasis | Hitler's secret decree 
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                                | gptkbp:location | gptkb:Germany 
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                                | gptkbp:method | gas chambers starvation
 lethal injection
 
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                                | gptkbp:namedAfter | gptkb:Tiergartenstraße_4 
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                                | gptkbp:notablePerson | gptkb:Karl_Brandt gptkb:Philipp_Bouhler
 gptkb:August_Becker
 gptkb:Paul_Nitsche
 gptkb:Werner_Heyde
 gptkb:Viktor_Brack
 
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                                | gptkbp:notableSite | gptkb:Bernburg_Euthanasia_Centre gptkb:Brandenburg_Euthanasia_Centre
 gptkb:Grafeneck_Euthanasia_Centre
 gptkb:Hadamar_Euthanasia_Centre
 gptkb:Hartheim_Euthanasia_Centre
 gptkb:Sonnenstein_Euthanasia_Centre
 
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                                | gptkbp:perpetrator | gptkb:Nazi_regime 
 | 
                        
                            
                                | gptkbp:protestedBy | gptkb:Catholic_Church gptkb:Clemens_August_Graf_von_Galen
 gptkb:Protestant_Church
 
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                                | gptkbp:purpose | systematic murder of disabled and mentally ill people 
 | 
                        
                            
                                | gptkbp:relatedTo | gptkb:Nazi_medical_experiments gptkb:Holocaust
 gptkb:Nazi_eugenics
 
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                                | gptkbp:revealedTo | 1941 
 | 
                        
                            
                                | gptkbp:startDate | 1939 
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                                | gptkbp:stopsAt | public protests 
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                                | gptkbp:successor | 14f13 
 | 
                        
                            
                                | gptkbp:victim | disabled people 70,000
 mentally ill people
 
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                                | gptkbp:bfsParent | gptkb:Nazi_authorities 
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                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | T4 Euthanasia Program 
 |