Is all this REAL ?Concentration and labor camps (1933–1945)Further information: Nazi concentration camps, List of Nazi concentration camps and Extermination through labor12 April 1945: Lager Nordhausen, where 20,000 inmates are believed to have diedFrom the beginning of the Third Reich concentration camps were founded, initially as places of incarceration. Although the death rate in the concentration camps was high, with a mortality rate of 50%, they were not designed to be killing centers.