| Timeline of the Holocaust: Concentration Camps 1933-1945 |
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| 1933 January 30 - Hitler becomes chancellor of Germany March 22 - Dachau is established in West Germany as the first concentration camp. July 31 - Approximately 30,000 people interned in Nazi concentration camps. October - First regulations for concentration camps established. |
| 1938 March 13 - Germany annexed Austria. May 3 - Flossenburg established in West Germany. August 8 - Mauthausen established in Austria. September - Neuengamme established as a subcamp of Sachsenhausen in West Germany. |
| 1942 - Dachau installs a gas chamber and cremetorium. January 20 - Wannsee Conference - coordination of the Final Solution. March 17 - Belzec begins full-scale extermination operations. March 28 - First transport of French Jews sent to Auschwitz. May - Treblinka established in Poland as part of Operation Reinhard. May - Sobibor established in Poland as part of Operation Reinhard. May 31 - Monowitz/Buna established as a work camp within Auschwitz complex. July 19 - Himmler ordered extermination of Jews in the General-Gouvernement to be completed by end of 1942. July 23 - Treblinka begins full-scale extermination operations. November 1- Deportation of Jews from the Bialystok district to Treblinka begins. December - Belzec ends murder operations after murdering 500,000-600,000 human beings. |
| 1941 January 13 - Stutthof established in Poland. May 1 - Gross-Rosen established as a concentration camp in Poland. May 1 - Natzweiler established in France. June 22 - Germany invades the Soviet Union. June 23 - Einsatzgruppen begin killings in USSR., July 21 - Order to prepare a "total solution" to the "Jewish Question" in Europe given by Hermann Goering. September 1 - Euthanasia program officially ended - 80,000-100,000 people were murdered in the program. September 3 - First experimental gassings conducted at Auschwitz. Victims were Soviet prisoners of war. October 8 - Birkenau established as extermination camp within Auschwitz complex. November 1 - Belzec death camp established as part of Operation Reinhard in Poland. December 7-8 - Chelmno, established in Poland as part of Operation Reinhard, begins mass killings. |
| 1934 |
| 1935 September 15 - Nuremberg Laws decreed who was a German citizen. |
| 1936 September 23 - Sachsenhausen established in East Germany.. |
| 1937 July 15 - Buchenwald established in East Germany.. |
| 1939 May 15 - Ravensbruck established in East Germany. September 3 - France and Great Britain declare war on Germany September 28 - Poland is partitioned between Germany and the USSR November 12 - Deportation of Jews from Lodz to other areas of Poland begins. |
| 1940 April 12 - Hans Frank declares that Krakow must be free of Jews by November. May 1 - Gross-Rosen established as an external camp of Sachsenhausen in Poland. May 26 - Auschwitz established as a concentration camp in Poland. June - First prisoners arrive at Auschwitz. Prisoners are mostly Poles. June 4 - Neuengamme in West Germany reclassified as a concentration camp. June 22 - France and Germany sign an armistice. |
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