Between 1933 and 1945, Nazi Germany and its allies established more than 44,000 camps for a range of purposes, including forced labour, detention of people deemed to be "enemies of the state," and mass murder. Millions of people suffered, died and killed. Among these sites was Dachau, the longest operating Concentration Camp. In the twelve years of its existence, over 200000 persons from all over Europe were imprisoned here  and approx 41500 were killed in Dachau Concentration Camp