Signature of the Reichskonkordat on 20 July 1933. From left to right: German Vice-Chancellor Franz von Papen, representing Germany, Giuseppe Pizzardo, Cardinal Pacelli, Alfredo Cardinal Ottaviani, German ambassador Rudolf Buttmann. Signing the Concordat is Cardinal Pacelli (later to become Pope Pius XII). By 1933, he was the Vatican Secretary of State. Far Left is Prelate Ludwig Kaas, leader of the Centre (Zentrum) Party). Seated second from his left is Franz von Papen who was a German nobleman, Catholic politician, General Staff officer, and diplomat, who served as Chancellor of Germany (Reichskanzler) in 1932.. Standing at the far right can be seen the little known Vatican prelate, Montini, who became Pope Paul VI on 30 January 1933.
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