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1 September 1939
Germany invades Poland, starting ww2
21 September 1939
Heyrdrichs Jewish question memo orders the concentration of polish Jews into ghettos
November 1939
First major ghetto established in Łódź Poland
July 1940
Madagascar plan proposed, failed nazi plan to deport Jews to Madagascar
9 June 1940
Germany invades France, Belgium and Netherlands, more Jews fall under nazi control
October 1940.
Warsaw ghetto established, sealing 400,000 Jews inside
22 June 1941
Operation Barbarossa; Germany invades the Soviet Union
June 1941
Commissar order; Germany ordered to kill soviet political commissars (often linked to Jewish persecution)
June/july 1941
Einsatzgruppen begin mass shootings of Jews in soviet territories
July 1941
Goring letter to heydrich ordering a final solution to Jewish question
29-30 September 1941
Babi yar massacrel over 33,000 Jews murdered near Kyiv
October 1941
Deportations begin from Germany to ghettos in Eastern Europe
December 1941
First extermination camp, chelmno begins operations