Father Ludwig Kaas, who had left Germany permanently at the beginning of the month to work with Cardinal Pacelli in the Vatican, sends birthday greetings to Hitler by telegram from Rome - Apr. 20, 1933

Source: Timeline 

Apr. 20, 1933 Father Ludwig Kaas, who had left Germany permanently at the beginning of the month to work with Cardinal Pacelli in the Vatican, sends birthday greetings to Hitler by telegram from Rome.