Not until midwinter 1942 was the Wannsee Conference held, where the Final Solution was on the table.
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Pure lies. The Einsatzgruppen were actively slaughtering Jews in Russia and Poland from the beginning. The only issue was that shooting them was too slow. The camps were just an effort at efficiencies.
I think that the reason that our classic image of the Holocaust is Auschwitz in 1944 is that there are a lot more survivors and witnesses of that late period of the war than there are of the massacres carried out by the Einsatzgruppen in 1941 or 1942 or the earlier Operation Reinhard death camps, which left almost no survivors.
It’s commonly accepted that the Final Solution was decided at Wannsee in 1942.