Depending on the cause of your pain, the solution might be a set of exercises, pain relief medication, minor surgery, or some combination of these. But for many people, knee and hip problems become so intractable that the best solution is to replace a worn-out knee or hip with a mechanical joint.
On the same day, the German firm IG Farben sets up a factory just outside Auschwitz, in order to take advantage of Jewish slave laborers from the Auschwitz concentration camps. Sobibor had five gas chambers, where about 250,000 Jews were killed between 1942 and 1943. A camp revolt occurred in October 1943; 300 Jewish slave laborers rose up and killed several members of the SS as well as Ukrainian guards. The rebels were killed as they battled their captors or tried to escape.
It is estimated that between 1 and 2 million were killed in the extermination camp Auschwitz-Birkenau. The first gassing experiments, involving 250 Polish and 600 Soviet POWâs, were carried out as early as September 1941. The extermination camp was started up in March 1942 and ended its work in November 1944.