Auschwitz played a central role in the "Final Solution," the Nazi plan to murder the Jews of Europe. The Nazis deported Jews from nearly every European country to the Auschwitz II (Birkenau) killing center in occupied Poland. In all, at least 1.1 million Jews and tens of thousands of other people perished in Auschwitz.
At the height of its power, Germany controlled most of continental Europe.
The Nazis established six killing centers in occupied Poland. The largest was Auschwitz-Birkenau, located 37 miles (about 59 km) west of Krakow, near the prewar German-Polish border.
The Auschwitz complex consisted of three main camps: the Auschwitz I concentration camp, the Auschwitz II (Birkenau) killing center, and the Auschwitz III (Monowitz) forced-labor camp.
A vast system of subcamps was also established in the region around Auschwitz and the prisoners were forced to work in various factories and industries.
In 1942, the Nazis began systematic deportations of Jews to Auschwitz. Trains arrived daily from nearly every corner of German-occupied Europe.
The new arrivals underwent a "selection" in which the SS staff declared most of them unfit for forced labor and sent them immediately to the gas chambers.
During 1943 and 1944, four large gas chambers and crematoria operated almost continuously in Auschwitz-Birkenau.
As Soviet forces advanced in January 1945, the SS forced 60,000 prisoners from the Auschwitz camps on death marches toward the interior of Germany.
When the Soviets liberated Auschwitz at the end of January, only several thousand emaciated prisoners remained alive.
Over 1.1 million Jews, as well as tens of thousands of Christian Poles, Roma (Gypsies), and Soviet prisoners of war, perished at Auschwitz.
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