Pope Pius XI

Pope Pius XI, born Ambrogio Damiano Achille Ratti (May 31, 1857 – February 10, 1939), reigned as Pope and sovereign of Vatican City from February 6, 1922 until February 10, 1939. He issued the encyclical Quas Primas establishing the feast of Christ the King. Its main idea is that the Catholic religion, beliefs, morality, and rule must spread itself to all areas of human living: the home, the city, politics, economics, art, etc.

Footnote

• {{Note|murder}} John Cornwell, A Thief in the Night: The death of Pope John Paul I (Penguin, 2001 edition) p.37.