Eighty years ago, on January 27, 1945, the extermination and concentration camp Auschwitz-Birkenau was liberated by the Soviets. Of the 69,000 Jews deported from France, only 5 percent survived.

The widespread looting of European art by the Third Reich before and during the Second World War was one of the most shameful chapters of art history. The Nazis systematically stole thousands of ...