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.
Natural gas explosion kills schoolchildren in Texas. Nearly 300 students in Texas are killed by an explosion of natural gas at their school on this day in 1937. The Consolidated School of New London, Texas, sat in the middle of a large oil and natural gas field. The area was dominated by 10,000 oil derricks, 11 of which stood right on school grounds.