A nitpick: The Nazi “mandatory euthanasia” program began in December 1939, and continued until 1945. The first facility dedicated to killing the disabled opene

A nitpick: The Nazi “mandatory euthanasia” program began in December 1939, and continued until 1945. The first facility dedicated to killing the disabled opened in February 1940. So it was the 1940s, not 1930s.