The concentration camps, 1933-1945. The Nazis set up their first concentration camp, Dachau, in the wake of Hitlerâs takeover of power in 1933. By the end of the war, 22 main concentration camps were established, together with around 1,200 affiliate camps, Aussenkommandos, and thousands of smaller camps. In 1945, when Allied forces liberated the concentration camps at Dachau, Bergen-Belsen, Buchenwald, Sachsenhausen, Auschwitz and elsewhere, the world was shocked at the sight of images of dead bodies alongside half-dead people in these camps.
Mammals. Mammals (Class: Mammalia) are one of the warm-blooded vertebrates other than the birds. They are the most developed and evolved animals and the Class: Mammalia includes more than 4250 described extant species.
When someone is asked to name some animals, most will list the names of mammals. That is because mammals are amongst the closest animals for humans. However, there are much more types of animals than mammals on the earth. Therefore, the distinguishing characteristics of mammals from other animals are very important to know. Mammals.