This is the name given to the Nazi death camps in southeastern Poland that became arguably the most notorious of all the camps, killing approximately 1 million people from May 1940 to January 1945
Auschwitz-Birkenau began as a concentration camp in May of 1940, built to house political prisoners. It eventually went on to kill about 1.1 million Jews before it was liberated by the Soviets in January of 1945.
