Germany in September 1939 tail annexation of Poland after Nazi Germany and Austria to their domestic Jews concentrated in the interior of Poland, known as "ordinary government". Jews are now being placed in the "Mandatory Jewish settlements". The largest "Mandatory Jewish settlements" are located in Warsaw. In Warsaw Jews were forced to November 15, 1940 move to the designated areas for Jews to the area and sealed. Following the low-lying countries, France, the Baltic States and Yugoslavia's occupation by Nazi Germany, more Jews by the Nazis within Germany's control. In December 1941, Germany in Poland for six killings concentration camps. These sites include Auschwitz and Treblinka. These locations were chosen because they are the reasons for the intersection of the railway, with the military and they are not at critical locations. Therefore, the Nazi Party can carry out the killings secret plan. When the allied forces in early 1945 liberation of Poland, they found that these killings concentration camps. The entire World War II, approximately 5.8 million European descent Jews killed by Nazi Germany, the European Jewish thirds of the population.
http://fcit.usf.edu/HOLOCAUST/timeline/nazifica.htmhttp://www.ushmm.org/wlc/article.php?lang=en&ModuleId=10005469参考资料:http://fcit.usf.edu/HOLOCAUST/timeline/nazifica.htm