The action of mass killing of mentally and physically disable and considered incurable children and adults as well as of patients of psychiatric hospitals and concentration camps prisoners who were ill or unable to work organized in the III Reich.

An underground organization created in 1942 in the Bialystok Ghetto.

Anti-Semitism
prejudice against or hostility towards Jews and people of Jewish origin, often rooted in hatred of their ethnic background, culture, or religion. Also a belief or ideology arguing for the exclusion of Jews and people of Jewish origin