List of Encyclicals of Pope Leo XIII

This article contains a list of encyclicals of Pope Leo XIII. Leo

Pope Leo XIII

Pope Leo XIII , born Vincenzo Gioacchino Raffaele Luigi Pecci to an Italian comital family, was the 256th Pope of the Roman Catholic Church, reigning from 1878 to 1903...

issued 85 Papal Encyclical

Encyclical

An encyclical was originally a circular letter sent to all the churches of a particular area in the ancient Catholic Church. At that time, the word could be used for a letter sent out by any bishop...

s during his twenty-five year reign as Pope

Pope

The Pope is the Bishop of Rome, a position that makes him the leader of the worldwide Catholic Church . In the Catholic Church, the Pope is regarded as the successor of Saint Peter, the Apostle...

from 1878-1903.

No.	Title (Latin Latin Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and... )	Title (English translation)	Subject	Date
1.	Inscrutabili Dei Consilio		On the Evils of Society	21 April 1878
2.	Quod Apostolici Muneris Quod Apostolici Muneris The encyclical Quod Apostolici Muneris is the second encyclical of Pope Leo XIII. It was published on 28 December 1878.The encyclical is an attack on "socialism, communism and nihilism"; it is therefore usually regarded as an attack against Christian socialism...		On Socialism	28 December 1878
3.	Aeterni Patris Aeterni Patris Eighteen months into his pontificate, in August 1879, Pope Leo XIII, formerly Joachim Pecci, cardinal and bishop of Perugia, published the encyclical Aeterni Patris...	Of the Eternal Father	On the Restoration of Christian Philosophy Christian philosophy Christian philosophy may refer to any development in philosophy that is characterised by coming from a Christian tradition.- Origins of Christian philosophy :...	4 August 1879
4.	Arcanum divinae sapientia	The mystery of Divine Wisdom	On Christian Marriage	10 February 1880
5.	Grande Munus		On Saints Cyril and Methodius	30 September 1880
6.	Sancta Dei Civitas	The Holy City of God	On Mission Societies	3 December 1880
7.	Diuturnum		On the Origin of Civil Power	29 June 1881
8.	Licet Multa		On Catholics in Belgium Belgium Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...	3 August 1881
9.	Etsi Nos Etsi Nos Etsi Nos was a papal encyclical promulgated by Pope Leo XIII in 1882 complaining about the way in which post-unification Italy denigrated the role of the Church, which it blamed primarily on Freemasonry:- See also :...		On Conditions in Italy Italy Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...	15 February 1882
10.	Auspicato Concessum		On St. Francis of Assisi	17 September 1882
11.	Cum Multa	With many	On Conditions in Spain	8 December 1882
12.	Supremi Apostolatus Officio Supremi Apostolatus Officio Supremi Apostolatus Officio is an encyclical on the Rosary by Pope Leo XIII, also known as the Rosary Pope.It was issued on September 1st, 1883 in Saint Peter's Basilica in Rome.-Sources:* Vatican website: Supremi Apostolatus Officio...	The Supreme Apostolic Office	On Devotion to the Rosary Rosary The rosary or "garland of roses" is a traditional Catholic devotion. The term denotes the prayer beads used to count the series of prayers that make up the rosary...	1 September 1883
13.	Nobilissima Gallorum Gens		On the Religious Question in France	8 February 1884
14.	Humanum Genus Humanum Genus Humanum Genus was a papal encyclical promulgated on April 20, 1884, by Pope Leo XIII. Coming in the ascent of the industrial age and Marxism, it posited that the late 19th Century was a dangerous era for Christians, and condemned Freemasonry as well as a number of beliefs and practices allegedly...		On Freemasonry Freemasonry Freemasonry is a fraternal organisation that arose from obscure origins in the late 16th to early 17th century. Freemasonry now exists in various forms all over the world, with a membership estimated at around six million, including approximately 150,000 under the jurisdictions of the Grand Lodge...	20 April 1884
15.	Superiore Anno	Last year	On the Recitation of the Rosary	30 August 1884
16.	Immortale Dei	"Immortal God"	On the Christian Constitution of States	1 November 1885
17.	Spectata Fides		On Christian Education	27 November 1885
18.	Quod Auctoritate		Proclaiming a Jubilee	22 December 1885
19.	Iampridem		On Catholicism in Germany	6 January 1886
20.	Quod Multum		On the Liberty of the Church	22 August 1886
21.	Pergrata		On the Church in Portugal Portugal Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...	14 September 1886
22.	Vi È Ben Noto		On the Rosary and Public Life	20 September 1887
23.	Officio Sanctissimo Officio Sanctissimo Officio Sanctissimo was an Papal Encyclical published by Pope Leo XIII in 1887. It recalled the continuous history of Catholicism in Bavaria and praised the populations resistance to the Kulturkampf...	The Holiest Office (or Duty)	On the Church in Bavaria Bavaria Bavaria, formally the Free State of Bavaria is a state of Germany, located in the southeast of Germany. With an area of , it is the largest state by area, forming almost 20% of the total land area of Germany...	22 December 1887
24.	Quod Anniversarius	This Anniversiary	On His Sacerdotal Jubilee	1 April 1888
25.	In Plurimis		On the Abolition of Slavery Slavery Slavery is a system under which people are treated as property to be bought and sold, and are forced to work. Slaves can be held against their will from the time of their capture, purchase or birth, and deprived of the right to leave, to refuse to work, or to demand compensation...	5 May 1888
26.	Saepe Nos		On Boycotting in Ireland Ireland Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...	24 June 1888
27.	Libertas praestantissimum donum	Liberty	On the Nature of Human Liberty Liberty Liberty is a moral and political principle, or Right, that identifies the condition in which human beings are able to govern themselves, to behave according to their own free will, and take responsibility for their actions...	20 June 1888
28.	Quam Aerumnosa		On Italian Immigrants	10 December 1888
29.	Etsi Cunctas		On the Church in Ireland Ireland Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...	21 December 1888
30.	Exeunte Iam Anno		On Right Ordering of Christian Life	25 December 1888
31.	Magni Nobis		On The Catholic University of America The Catholic University of America The Catholic University of America is a private university located in Washington, D.C. in the United States. It is a pontifical university of the Catholic Church in the United States and the only institution of higher education founded by the U.S. Catholic bishops...	7 March 1889
32.	Quamquam Pluries Quamquam Pluries Quamquam Pluries is an encyclical on Saint Joseph by Pope Leo XIII. It was issued on August 15, 1889 in Saint Peter's Basilica in Rome.As a background, the pope stated the challenges facing the Church, such as the growing depravity of morals in the young generation:Now, Venerable Brethren, you know...		On Devotion to St. Joseph	15 August 1889
33.	Sapientiae Christianae	Of Christian Wisdom	On Christians as Citizens	10 January 1890
34.	Dall'alto Dell'apostolico Seggio		On Freemasonry Freemasonry Freemasonry is a fraternal organisation that arose from obscure origins in the late 16th to early 17th century. Freemasonry now exists in various forms all over the world, with a membership estimated at around six million, including approximately 150,000 under the jurisdictions of the Grand Lodge... in Italy Italy Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...	15 October 1890
35.	Catholicae Ecclesiae	Of the Catholic Church	On Slavery in the Missions	20 November 1890
36.	In Ipso	In itself	On Episcopal Reunions in Austria Austria Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...	3 March 1891
37.	Rerum Novarum Rerum Novarum Rerum Novarum is an encyclical issued by Pope Leo XIII on May 15, 1891. It was an open letter, passed to all Catholic bishops, that addressed the condition of the working classes. The encyclical is entitled: “Rights and Duties of Capital and Labour”...	"New Things"	On Capital and Labour	15 May 1891
38.	Pastoralis	Of pastoral (things)	On Religious Union	25 June 1891
39.	Pastoralis Officii	Of the Pastoral Office	On the Morality of Duelling	12 September 1891
40.	Octobri Mense Octobri Mense Octobri Mense is an encyclical on the Rosary by Pope Leo XIII, also known as the Rosary Pope. It was issued on 22 September 1891 in Saint Peter's Basilica in Rome.-Sources:* Vatican website: Octobri Mense...	The Month of October	On the Rosary	22 September 1891
41.	Au Milieu Des Sollicitudes		On the Church and State in France	16 February 1892
42.	Quarto Abeunte Saeculo		On Christopher Columbus	16 July 1892
43.	Magnae Dei Matris	Of the great Mother of God	On the Rosary	8 September 1892
44.	Custodi Di Quella Fede Custodi di quella fede Custodi di quella fede Custodi di quella fede Custodi di quella fede ((On Freemasonry) was a Papal Encyclical promulgated by Leo XIII in 1892 and was addressed to the Italian people.It accompanied the encyclical Inimica vis that was addressed to the Italian bishops...		On Freemasonry	8 December 1892
45.	Inimica vis Inimica vis Inimica vis was a Papal Encyclical addressed to the bishops of Italy. It remarked on the multiple condemnations of Freemasonry over the preceding century and a half and concentrated on the local difficulties of the Italian church. It was promulgated by Leo XIII in 1892...		On Freemasonry	8 December 1892
46.	Ad Extremas	To the farthest	Seminaries for Native Clergy	24 June 1893
47.	Constanti Hungarorum		On the Church in Hungary Hungary Hungary , officially the Republic of Hungary , is a landlocked country in Central Europe. It is situated in the Carpathian Basin and is bordered by Slovakia to the north, Ukraine and Romania to the east, Serbia and Croatia to the south, Slovenia to the southwest and Austria to the west. The...	2 September 1893
48.	Laetitiae Sanctae Laetitiae Sanctae Laetitiae Sanctae is an encyclical on devotion to the rosary by Pope Leo XIII, known as the "Rosary Pope". It was issued on September 8, 1893 in Saint Peter's Basilica in Rome....	Of holy praise	Commending Devotion to the Rosary	8 September 1893
49.	Providentissimus Deus Providentissimus Deus Providentissimus Deus, "On the Study of Holy Scripture", was an encyclical issued by Pope Leo XIII on 18 November 1893.In it, he reviewed the history of Bible study from the time of the Church Fathers to the present, spoke against the errors of the Rationalists and "higher critics", and outlined...	The most provident God	On the Study of Holy Scripture	18 November 1893
50.	Praeclara Gratulationis Publicae Praeclara Gratulationis Publicae Praeclara Gratulationis Publicae was an Encyclical Letter of Pope Leo XIII promulgated on June 20, 1894.-Content:...		The Reunion of Christendom	20 June 1894
51.	Litteras A Vobis		On the Clergy in Brazil Brazil Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...	2 July 1894
52.	Iucunda Semper Expectatione		On the Rosary	8 September 1894
53.	Orientalium Dignitas Orientalium Dignitas Orientalium Dignitas is a papal encyclical concerning the Eastern Catholic churches issued by Pope Leo XIII on November 30, 1894. The encyclical further established the rights of the Eastern Catholic churches...	The dignity of the Easterners	On the Churches of the East	30 November 1894
54.	Christi Nomen	The Name of Christ	On Propagation of the Faith and Eastern Churches	24 December 1894
55.	Longinqua		On Catholicism in the United States	6 January 1895
56.	Permoti Nos		On Social Conditions in Belgium	10 July 1895
57.	Adiutricem	Adjutrix	On the Rosary	5 September 1895
58.	Insignes		On the Hungarian Millennium	1 May 1896
59.	Satis Cognitum Satis Cognitum Satis Cognitum was an encyclical of Pope Leo XIII from June 29, 1896 on the unity of the Church and some heresies of his time.The document teaches the ecclesiology that was commonly held in the years before the Second Vatican Council. The Church is said to be a perfect society and a divine kingdom...		On the Unity of the Church	29 June 1896
60.	Fidentem Piumque Animum		On the Rosary	20 September 1896
61.	Divinum Illud Munus Divinum Illud Munus Divinum Illud Munus is an encyclical issued by Pope Leo XIII on May 15, 1897.The encyclical has seven parts:# Apostolic Benediction# Summary of Leo XIII's two principle aims of his pontificate...		On the Holy Spirit	9 May 1897
62.	Militantis Ecclesiae		On St. Peter Canisius	1 August 1897
63.	Augustissimae Virginis Mariae Augustissimae Virginis Mariae Augustissimae Virginis Mariae is an encyclical by Pope Leo XIII. It was issued on 12th of September, 1897 in Saint Peter's Basilica in Rome.-Sources:*...	Of the Most August Virgin Mary	On the Confraternity of the Holy Rosary	12 September 1897
64.	Affari Vos		On the Manitoba School Question	8 December 1897
65.	Caritatis Studium	Of the studies of charity	On the Church in Scotland	25 July 1898
66.	Spesse Volte		On the Suppression of Catholic Institutions	5 August 1898
67.	Quam Religiosa		On Civil Marriage Law	16 August 1898
68.	Diuturni Temporis		On the Rosary	5 September 1898
69.	Quum Diuturnum		On the Latin American Bishops' Plenary Council	25 December 1898
70.	Testem Benevolentiae Nostrae		Virtue, Nature and Grace, and Americanism Americanism Americanism may refer to:* Americanization* A word or phrase considered typical of American English, English as spoken in the United States* An attitude or conviction which gives special importance to the nation, national interest, political system, or culture of the United States* Americanism ,...	22 January 1899
71.	Annum Sacrum Annum Sacrum Annum Sacrum is an encyclical by Pope Leo XIII on the consecration of the entire world to the Sacred Heart of Jesus. It was delivered in Saint Peter's Basilica in Rome on the 25th day of May, 1899, the twenty-second year of his pontificate....	A Holy Year	Consecration to the Sacred Heart Sacred Heart The Sacred Heart is one of the most famous religious devotions to Jesus' physical heart as the representation of His divine love for Humanity....	25 May 1899
72.	Depuis Le Jour Depuis le jour Depuis le jour may refer to :Depuis le jour is an 1899 encyclical of Pope Leo XIII on the education of the clergy.Depuis le jour is the most famous aria from the 1900 opera Louise....	"Since the Day "	On the Education of the Clergy	8 September 1899
73.	Paternae	"Fathers "	On the Education of the Clergy	18 September 1899
74.	Omnibus Compertum		On Unity Among the Greek	21 July 1900
75.	Tametsi Futura Prospicientibus		On Jesus Christ the Redeemer Christ the Redeemer Christ the Redeemer or Cristo Redentor may refer to:* Sculpture: Christ the Redeemer , Rio de Janeiro, Brazil Christ the Redeemer of the Andes, on Argentine-Chilean border** Cristo della Minerva by Michelangelo, in Rome...	1 November 1900
76.	Graves de Communi Re Graves de Communi Re Graves de Communi Re was an encyclical written by Pope Leo XIII in 1901, on Christian Democracy. It is part of a larger body of writings known as Catholic social teaching, that trace their origin to Rerum Novarum which was issued by Pope Leo XIII in 1891...		On Christian Democracy Christian Democracy Christian democracy is a political ideology that seeks to apply Christian principles to public policy. It emerged in nineteenth-century Europe under the influence of conservatism and Catholic social teaching...	18 January 1901
77.	Gravissimas	The Gravest	On Religious Orders in Portugal	16 May 1901
78.	Reputantiubus		On the Language Question in Bohemia Bohemia Bohemia is a historical region in central Europe, occupying the western two-thirds of the traditional Czech Lands. It is located in the contemporary Czech Republic with its capital in Prague...	20 August 1901
79.	Urbanitatis Veteris		On the Foundation of a Seminary in Athens Athens Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...	20 November 1901
80.	In Amplissimo		On the Church in the United States	15 April 1902
81.	Quod Votis		On the Proposed Catholic University	30 April 1902
82.	Mirae Caritatis Mirae Caritatis Mirae Caritatis is an encyclical of Pope Leo XIII on the Holy Eucharist given on 28 May 1902. The Pope explores several aspects of eucharistic theology, citing the sacrament as the sacrifice of the Mass, the bond of charity, the mystery of faith and the source of life. The expression mirror of...	Mirror of Charity	On the Holy Eucharist Eucharist The Eucharist , also called Holy Communion, the Sacrament of the Altar, the Blessed Sacrament, the Lord's Supper, and other names, is a Christian sacrament or ordinance...	28 May 1902
83.	Quae Ad Nos		On the Church in Bohemia and Moravia Moravia Moravia is a historical region in Central Europe in the east of the Czech Republic, and one of the former Czech lands, together with Bohemia and Silesia. It takes its name from the Morava River which rises in the northwest of the region...	22 November 1902
84.	Fin Dal Principio		On the Education of the Clergy	8 December 1902
85.	Dum Multa		Marriage Legislation	24 December 1902

See also