What is another word for Ambrogio Damiano Achille Ratti?
Pronunciation: [ambɹˈə͡ʊd͡ʒɪˌə͡ʊ de͡ɪmˈi͡ənə͡ʊ ɐkˈɪliː ɹˈati] (IPA) 
"Ambrogio Damiano Achille Ratti" is the birth name of Pope Pius XI, who served as the Head of the Catholic Church from 1922 to 1939. As with many historical figures, there are various synonyms or alternative names used to refer to him. One common alternative name is simply "Pope Pius XI." He is also known by his papal motto, "Pax Christi in Regno Christi" (Peace of Christ in the Kingdom of Christ). In Italian, his birth name can be shortened to "Achille Ratti" or "Padre Ratti" (Father Ratti), as he was a priest before becoming Pope. Overall, the various names and titles associated with Pope Pius XI reflect his importance as a religious leader and historical figure.
