This document provides a biography of Pope Pius XI, including:
1) He was born in Italy in 1857 and was educated at the Milan Seminary before being ordained as a priest in 1879.
2) He had an academic background and held positions at the Ambrosian Library in Milan and the Vatican Library before being appointed Cardinal Archbishop of Milan in 1921.
3) He was elected as Pope in 1922, taking the name Pius XI, and issued several encyclicals addressing issues like Catholic Action, communism, and establishing Vatican City state through the Lateran Treaty.
4) As Pope, he provided spiritual leadership during a time of unrest in the 1920s-1930s, confronting threats