 During the negotiations which lead up to the Nazi-Vatican Concordat of 26 April 1933 Hitler stated that "Secular schools can never be tolerated" because of their irreligious tendencies.Hitler routinely disregarded this undertaking, and the Reich concordat as a whole, and by 1939, all Catholic denominational schools had been disbanded or converted to public facilities.By 1939, 94.5% of Germans still called themselves Protestant or Catholic, while 3.5% were so-called ""Gottgläubige"" (lit.