26 February – Setting up in Birkenau of the so-called family Gypsy camp for Romanies.
March – Start of deportation of 55,000 Jews from Greece.
22 March – 25 June – Camp authorities start up four crematoria with gas chambers at Auschwitz II-Birkenau.
7 June – Civilian workers of Krupps Establishments start assembling machinery on the shop floor leased out by the camp authorities. Hundreds of German companies were involved in the building of the camp in Auschwitz. Many of these, as e.g. IG Farbenindustrie or Siemens drew extra benefits by availing themselves of camp slave labour.
19 July – Largest public execution. As a reprisal for the escape of a handful of prisoners and for contacting the civilian population the SS hang 12 Polish prisoners on the gallows.
9 September – Establishment at Birkenau of the so-called Theresienstadt camp for Jews arriving from the ghetto in Terezín.
October – Start of deportation to Auschwitz of 7,500 Jews from Italy.
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