List of encyclicals of Pope Pius XI

This article contains a list of Encyclicals of Pope Pius XI. Pope Pius XI issued 31 Papal Encyclicals during his reign as Pope:
No.	Title (Latin) 	Title (English translation) 	Subject 	Date 	
1. 	Ubi Arcano Dei Consilio 	"On the Peace of Christ in His Kingdom"	 	23 December 1922 	
2. 	Rerum Omnium Perturbationem 	"All the Disturbing Things" 	St. Francis De Sales 	26 January 1923 	
3. 	Studiorum Ducem 	"On St. Thomas Aquinas" 	Thomas Aquinas 	29 June 1923 	
4. 	Ecclesiam Dei 	"The Church of God" 	On St. Jehosophat 	12 November 1923 	
5. 	Maximam Gravissimamque 	"" 	On French Diocesan Association 	18 January 1924 	
6. 	Quas Primas 	" " 	Introducing the Feast of Christ the King 	11 December 1925 	
7. 	Rerum Ecclesiae 	" " 	Catholic Missions 	8 February 1926 	
8. 	Rite Expiatis 	" " 	On St. Francis of Assisi 	13 April 1926 	
9. 	Iniquis Afflictisque 	" " 	On the Persecution of the Church in Mexico 	18 November 1926 	
10.	Mortalium Animos 	"The Souls of Mortal Men" 	On Religious Unity 	6 January 1928 	
11.	Miserentissimus Redemptor 	" " 	Reparation to the Sacred Heart 	8 May 1928 	
12.	Rerum Orientalium 	"Of Eastern Things" 	Promoting Oriental Studies 	8 September 1928 	
13.	Mens Nostra 	"Our Mind" 	Promotion of the Spiritual Exercises 	20 December 1929 	
14.	Divini Illius Magistri 	"That Divine Teacher" 	On Christian Education 	31 December 1929 	
15.	Quinquagesimo Ante 	"Fifty Years Ago" 	 	23 December 1929 	
16.	Ad Salutem 	" " 	On St. Augustine 	30 April 1930 	
17.	Casti Connubii 	"Chaste Wedlock" 	On Christian Marriage 	31 December 1930 	
18.	Quadragesimo Anno 	"In the Fortieth Year" 	 	15 May 1931 	
19.	Non Abbiamo Bisogno 	" " 	Catholic Action in Italy 	29 June 1931 	
20.	Nova Impendet 	"A New Scourge Threatens" 	On the Economic Crisis 	2 October 1931 	
21.	Lux Veritatis 	"The Light of Truth" 	On the Council of Ephesus 	25 December 1931 	
22.	Caritate Christi Compulsi 	"The Love of Christ Impels Us" 	On the Sacred Heart 	3 May 1932 	
23.	Acerba Animi 	"Sorrow of Soul" 	On the Persecution of the Church in Mexico 	29 September 1932 	
24.	Dilectissima Nobis 	"Most Dear to Us" 	On the Persecution of the Church in Spain 	3 June 1933 	
25.	Ad Catholici Sacerdotii 	"To the Summit of Catholic Priesthood" 	On the Catholic Priesthood 	20 December 1935 	
26.	Vigilanti Cura 	"Vigilant Care" 	On Motion Pictures 	29 June 1939 	
27.	Mit Brennender Sorge (Cura Ardens)	"With Burning Anxiety" 	On the Church and the German Reich 	14 March 1937 	
28.	Divini Redemptoris 	"Of a Divine Redeemer" 	On Atheistic Communism 	19 March 1937 	
29.	Nos Es Muy Conocida 	"It Is Well Known to Us" 	On the Religious Situation in Mexico 	28 March 1937 	
30.	Ingravescentibus Malis 	"The Increasing Evils" 	On the Rosary 	29 September 1937 	
31.	Humani Generis Unitas 	"On the Unity of the Human Race" 	On the Church and Antisemitism, Racism and the Persecution of Jews	Never been promulgated	
 
Encyclicals
cs:Encykliky Pia XI.
hu:XI. Piusz pápa enciklikái
nl:Lijst van encyclieken van paus Pius XI