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Roman Catholic papal encyclical Quas primas introduces the Feast of Christ the King.
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Catholic Church
Christian church based in Rome
The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institutions and has played a prominent role in the history…Source: Wikipedia (CC BY-SA)
Pope
Head of the Catholic Church
The pope is the bishop of Rome and the visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the pope was the sovereign or head of state of the Papal States, and since 1929 of…Source: Wikipedia (CC BY-SA)
Encyclical
Doctrinal document in Christian churches
An encyclical was originally a circular letter sent to all the churches of a particular area in the ancient Roman Church. At that time, the word could be used for a letter sent out by any bishop. The word comes from the Late Latin encyclios. The term is now primarily associated…Source: Wikipedia (CC BY-SA)
Quas primas
1925 encyclical by Pope Pius XI introducing the Feast of Christ the King
Quas primas is an encyclical of Pope Pius XI. Promulgated on December 11, 1925, it introduced the Feast of Christ the King.Source: Wikipedia (CC BY-SA)
Feast of Christ the King
Christian feast at the end of the liturgical year
The Solemnity of Our Lord Jesus Christ, King of the Universe, commonly referred to as the Feast of Christ the King, Christ the King Sunday or Reign of Christ Sunday, is a feast in the liturgical year which emphasises the true kingship of Christ. The feast is a relatively recent…Source: Wikipedia (CC BY-SA)