During 1940 and 1941 mentally ill people were gassed in Grafeneck with Carbon monoxide in the first gas chamber. This was the beginning of the T-4_Euthanasia_Program.
... (Present[?], Imperfect[?], Imperative, Potential) Future (Future[?], Conditional) Aorist[?] Perfect[?] Word order[?] is free with tendency toward ...