Keywords: Pius Relations with Jews ; Catholic Church Relations ; Judaism ; Judaism Relations ; Catholic Church ; Holocaust, Jewish (1939-1945) ; Christianity and antisemitism History 20th century ; World War, 1939-1945 Religious aspects ; Catholic Church ; National socialism and religion ; Pius ; XII, ; Pope, 1876-1958 ; Catholic Church ; Relations ; Judaism ; Judaism ; Relations ; Catholic Church ; Holocaust, Jewish (1939-1945) ; World War, 1939-1945 ; Religious aspects ; Catholic Church ; Christianity and antisemitism ; History ; 20th century ; Europe ; Politics and government ; 1918-1945 ; Pius XII. Papst 1876-1958 ; Judenverfolgung ; Judenvernichtung