* The Encyclical Letter Humanae Vitae on the Vatican website

Pope Leo XII ( 1823 – 1829 ), Encyclical Ubi Primum: " It is impossible for the most true God, who is Truth Itself, the best, the wisest Provider, and rewarder of good men, to approve all sects who profess false teachings which are often inconsistent with one another and contradictory, and to confer eternal rewards on their members.

Pope Gregory XVI ( 1831 – 1846 ), Encyclical Summo Jugiter Studio ( on mixed marriages ), 5-6, May 27, 1832: " You know how zealously Our predecessors taught that very article of faith which these dare to deny, namely the necessity of the Catholic faith and of unity for salvation.

* Arcanum Encyclical of Pope Leo XIII on Christian Marriage

* ( edited with Carl E. Braaten ) Church Unity and the Papal Office: An Ecumenical Dialogue on John Paul II's Encyclical Ut Unum Sint ( 2001 )

* Encyclical of Pope Pius XII on Sacred Music

Among his historico-apologetic essays are his treatises on the errors condemned by the Holy See in the Encyclical ( Syllabus ) of 8 December, 1864 ( in the Chilianeum, 1865 ), the veneration of the Blessed Virgin in the first ten centuries of the Christian Era ( Münster, 1870 ).

In the middle of the Second Vatican Council, on September 3, 1965, a few days before opening the fourth session, Pope Paul VI issued the Encyclical Mysterium Fidei whereby he urged daily Mass and communion and said that " In the course of the day the faithful should not omit to visit the Blessed Sacrament, which according to the liturgical laws must be kept in the churches with great reverence in a most honorable location.

* The Encyclical That Never Was: The Story of the Commission on Population, Family and Birth, 1964-66 ( 1987 ) ISBN 0-7220-3405-9

" His last Encyclical is on the Holy Eucharist, which he says " contains the Church's entire spiritual wealth: Christ himself.

# his defense of life and the human embryo through unprecedented " infallible " teachings on abortion, euthanasia, and murder as grave sins in the Encyclical Evangelium Vitae,

* Encyclical Mystici Corporis Christi on the Vatican website

Pope Pius IX ( 1846 – 1878 ), Encyclical Singulari Quidem March 17, 1856 ): " Teach that just as there is only one God, one Christ, one Holy Spirit, so there is also only one truth which is divinely revealed.

idem, Encyclical Sapientiae Christianae: " He scatters and gathers not who gathers not with the Church and with Jesus Christ, and all who fight not jointly with Him and with the Church are in very truth contending against God.

* March 10 – The Encyclical Mit brennender Sorge of Pope Pius XI is published in Nazi Germany.

** The Encyclical Divini Redemptoris of Pope Pius XI about communism is published.

* April 13: Encyclical of Pope Pius VI, Charitas, condemning the Civil Constitution of the Clergy and the unauthorised appointment of Bishops is published

Pope Pius IX ( 1846 – 1878 ), Encyclical Quanto conficiamur moerore, August 10, 1863: " And here, beloved Sons and Venerable Brothers, We should mention again and censure a very grave error in which some Catholics are unhappily engaged, who believe that men living in error, and separated from the true faith and from Catholic unity, can attain eternal life.

Pope Pius IX The Syllabus of Errors, attached to Encyclical Quanta Cura, 1864: following are prescribed errors: " 16.

Pope Leo XIII ( 1878 – 1903 ), Encyclical Annum Ingressi Sumus: " This is our last lesson to you ; receive it, engrave it in your minds, all of you: by God's commandment salvation is to be found nowhere but in the Church.

Pope St. Pius X ( 1903 – 1914 ), Encyclical Jucunda Sane: " It is our duty to recall to everyone great and small, as the Holy Pontiff Gregory did in ages past, the absolute necessity which is ours, to have recourse to this Church to effect our eternal salvation.

Pope Benedict XV ( 1914 – 1922 ), Encyclical Ad Beatissimi Apostolorum: " Such is the nature of the Catholic faith that it does not admit of more or less, but must be held as a whole, or as a whole rejected: This is the Catholic faith, which unless a man believe faithfully and firmly, he cannot be saved.

Pope Pius XI ( 1922 – 1939 ), Encyclical Mortalium Animos: " The Catholic Church alone is keeping the true worship.

Pope Pius XII ( 1939 – 1958 ), Encyclical Humani Generis, August 12, 1950: " Some reduce to a meaningless formula the necessity of belonging to the true Church in order to gain eternal salvation.

Pope Leo XIII shed more direct light upon the question in his Encyclical Immortale Dei ( 12 November 1885 ), where we read: " God has apportioned the government of the human race between two powers, the ecclesiastical and the civil, the former set over things divine, the latter over things human.

* Ad Apostolorum Principis Encyclical Letter of Pope Pius XII regarding the Church in China

* Orientales Omnes Ecclesias: Encyclical of Pope Pius XII

On October 29, 1951 in his ' allocution to midwives ', Pope Pius XII citing Pope Pius XI Encyclical Casti Connubii of December 31, 1930 delared "... that every attempt of either husband or wife in the performance of the conjugal act or in the development of its natural consequences which aims at depriving it of its inherent force and hinders the procreation of new life is immoral and that no ' índication ' of need can convert an act which is intrinsically immoral into a moral and lawful one.

The Encyclical of the Eastern Patriarchs was a letter sent in May, 1848 by the patriarchs of the Orthodox Church in reply to Pope Pius IX's Epistle to the Easterns ( 1848 ).

Pope Benedict XVI's 2009 Encyclical Caritas in Veritate added many additional perspectives to the Social Teaching tradition, including in particular relationships with the concepts of Charity and Truth, and introduced the idea of the need for a strong " World Political Authority " to deal with humanity's most pressing challenges and problems.

* Pope Leo XIII's Encyclical Rerum Novarum

Pius IX gave it his approval in the Encyclical Letter Saepe Venerabilis ( 5 August 1871 ).

The game Orphan Feast on Cartoon Network's Adult Swim website is loosely based on A Modest Proposal.

The Church of the Brethren practices Anointing with Oil as an ordinance along with Baptism, Communion, Laying on of Hands, and the Love Feast.

It may come from a custom in the late Roman / early Christian era, wherein metal boxes placed outside churches were used to collect special offerings tied to the Feast of Saint Stephen, which in the Western Church falls on the same day as Boxing Day.

Indeed, his mother was illiterate and never recorded the date of his birth, remembering only that he had been born on a Wednesday, eight days before the Feast of the Ascension, which itself occurs 40 days after Easter.

** Earliest day on which Feast of the Holy Family can fall, celebrated on Sunday after Christmas or 30 if Christmas falls on a Sunday.

Also, according to the Talmud Yerushalmi, David was born and died on the Jewish holiday of Shavuot ( Feast of Weeks ).

The Eastern Orthodox Church and Eastern Catholic Churches celebrate the feast day of the " Holy Righteous Prophet and King David " on the Sunday of the Holy Forefathers ( two Sundays before the Great Feast of the Nativity of the Lord ), when he is commemorated together with other ancestors of Jesus.

* Ecclesiam Suam, an encyclical of Pope Paul VI on the Catholic Church given at St. Peter's, Rome, on the Feast of the Transfiguration, August 6, 1964, the second year of his Pontificate

* Earliest day on which Feast of Orthodoxy can fall, while March 14 is the latest ; celebrated 42 days before Easter.

The third book of the Torah, Leviticus, clearly mandates two major holy days on the full moon: PASSOVER and the 1st day of Sukkot ( Feast of Booths ).

Christian hymns are often written with special or seasonal themes and these are used on holy days such as Christmas, Easter and the Feast of All Saints, or during particular seasons such as Advent and Lent.

The Feast of the Immaculate Conception is observed on December 8 in many Catholic countries as a Holy Day of Obligation and in some places as a national or public holiday.

The Church celebrates the Feast of the Immaculate Conception ( when Mary was conceived free from original sin ) on 8 December, exactly nine months before celebrating the Nativity of Mary.

His feast day is on June 28 in the Roman Catholic calendar of saints, where it was inserted for the first time in 1920 ; in 1960 it was transferred to July 3, leaving June 28 for the Vigil of the Feast of Saints Peter and Paul, but in 1969 it was returned to June 28, the day of his death.

* Shavuot (" Pentecost " or " Feast of Weeks ") celebrates the revelation of the Torah to the Israelites on Mount Sinai.

* Earliest day on which Feast of the Sacred Heart can fall, while July 2 is the latest ; celebrated 19 days after Pentecost.

** Earliest day on which Feast of the Immaculate Heart of Mary can fall, while July 3 is the latest ; celebrated 20 days after Pentecost.

* Earliest day on which the Feast of Christ the King can fall, while November 26 is the latest ; celebrated on the last Sunday before Advent.

There are some that believe the Thelemic New Year falls on either 19, 20 or 21 March, depending on the vernal equinox, this is The Feast for the Equinox of the Gods which is held on the vernal equinox of each year to commemorate the founding of Thelema in 1904.