Pope Pius XI

1857 - 1939

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Icon of person Pope Pius XI

Pope Pius XI (Italian: Pio XI), born Ambrogio Damiano Achille Ratti (Italian: [amˈbrɔ:dʒo daˈmja:no aˈkille ˈratti]; 31 May 1857 – 10 February 1939), was the Bishop of Rome and supreme pontiff of the Catholic Church from 6 February 1922 to 10 February 1939. He also became the first sovereign of the Vatican City State upon its creation as an independent state on 11 February 1929. He remained head of the Catholic Church until his death in February 1939. Read more on Wikipedia

Since 2007, the English Wikipedia page of Pope Pius XI has received more than 1,773,830 page views. His biography is available in 98 different languages on Wikipedia (up from 94 in 2019). Pope Pius XI is the 75th most popular religious figure (down from 63rd in 2019), the 83rd most popular biography from Italy (down from 69th in 2019) and the 14th most popular Italian Religious Figure.

Pope Pius XI is most famous for his encyclical of 1931, "Quadragesimo Anno," which called for a new social order based on the principle of solidarity.

Memorability Metrics

  • 1.8M

    Page Views (PV)

  • 77.66

    Historical Popularity Index (HPI)

  • 98

    Languages Editions (L)

  • 12.64

    Effective Languages (L*)

  • 3.34

    Coefficient of Variation (CV)


Among religious figures, Pope Pius XI ranks 75 out of 3,187Before him are Pope Julius II, 14th Dalai Lama, John Chrysostom, Rachel, Saint Anne, and Pope Pius V. After him are Benedict of Nursia, Hasan ibn Ali, Pope Urban II, Pope Gregory XIII, Pope Sylvester I, and Pope Benedict XV.

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Among people born in 1857, Pope Pius XI ranks 2Before him is Ferdinand de Saussure. After him are Robert Baden-Powell, 1st Baron Baden-Powell, Heinrich Hertz, Edward Elgar, Clara Zetkin, Joseph Conrad, Princess Beatrice of the United Kingdom, Karl Adolph Gjellerup, Alfonso XII of Spain, Henrik Pontoppidan, and Konstantin Tsiolkovsky. Among people deceased in 1939, Pope Pius XI ranks 2Before him is Sigmund Freud. After him are Alphonse Mucha, Howard Carter, Nadezhda Krupskaya, Joseph Roth, Eugen Bleuler, W. B. Yeats, James Naismith, Werner von Fritsch, Philipp Scheidemann, and Anton Makarenko.

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In Italy

Among people born in Italy, Pope Pius XI ranks 83 out of 5,161Before him are Lucius Tarquinius Superbus (-600), Giotto (1267), Ennio Morricone (1928), Catherine de' Medici (1519), Giorgio Vasari (1511), and Pope Pius V (1504). After him are Benedict of Nursia (480), Michael Collins (1930), Pope Gregory XIII (1502), Pope Sylvester I (300), Masaccio (1401), and Sonia Gandhi (1946).


Among religious figures born in Italy, Pope Pius XI ranks 14Before him are Saint Lucy (283), Pope Pius XII (1876), Saint Valentine (226), Pope Innocent VII (1339), Pope Julius II (1443), and Pope Pius V (1504). After him are Benedict of Nursia (480), Pope Gregory XIII (1502), Pope Sylvester I (300), Pope Benedict XV (1854), Girolamo Savonarola (1452), and Pope Sixtus IV (1414).