Discussions at the Wannsee Conference make it clear that the German "final solution of the Jewish question" included Britain and all the neutral states in Europe, such as Ireland, Switzerland, Turkey, Sweden, Portugal, and Spain.
Twenty-three senior physicians and other medical personnel were charged at Nuremberg, after the war, with crimes against humanity.
A broader definition of the Holocaust includes the murder of the Roma and the "incurably sick".
A broader definition still includes ethnic Poles, other Slavic groups, Soviet citizens and prisoners of war, homosexuals, Jehovah's Witnesses, black people, and political opponents.
was a genocide during World War II in which Adolf Hitler's Nazi Germany, aided by its collaborators, systematically murdered some six million European Jews, around two-thirds of the Jewish population of Europe.