Scarcely four months later, on July 20, the Nazi government concluded a concordat with the Vatican in which it guaranteed the freedom of the Catholic religion and the right of the Church “to regulate her own affairs.” The agreement, signed on behalf of Germany by Papen and of the Holy See by the then Papal Secretary of State, Monsignor Pacelli, later Pope Pius XII, was hardly put to paper before it was being broken by the Nazi government.