259th Pope of the Catholic Church
| Beginning Pontificate | 6,12.II.1922 |
|---|---|
| End Pontificate | 10.II.1939 |
| Secular Name | Achille Ratti |
| Birth | Desio (Milan) |
| Website | http://w2.vatican.va/content/pius-xi/en.html |
Apostolic Constitutions
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Nullo non tempore (January 30, 1933)
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Quod nuper (January 6, 1933)
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Deus scientiarum Dominus (May 24, 1931)
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Divini cultus sanctitatem (December 20, 1928)
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Apostolici officii (January 19, 1928)
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Umbratilem (July 8, 1924)
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Verae crucis (November 24, 1922)
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De Tulancingo (November 24, 1922)
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Summorum Pontificum (July 25, 1922)