Mauthausen concentration camp
Mauthausen was a Nazi concentration camp on a hill above the market town of Mauthausen, Upper Austria. It was the main camp of a group with nearly 100 further subcamps located throughout Austria and southern Germany. Wikipedia
Commandant: Albert Sauer; Franz Ziereis
Inmates: Political prisoners, Jews, Soviet POWs
Liberated by: United States Army, 3–6 May 1945
Operational: 1938 – May 1945