Use of this form is still permitted under the conditions mentioned in article 9 of the 2007 motu proprio Summorum Pontificum.

Under Pope Benedict XVI's motu proprio Summorum Pontificum, Roman Catholic bishops, priests, and deacons are again permitted to use the 1962 edition of the Roman Breviary, promulgated by Pope John XXIII to satisfy their obligation to recite the Divine Office every day.

In 1965 Pope Paul VI decreed in his motu proprio Ad Purpuratorum Patrum that patriarchs of the Eastern Catholic Churches who were named cardinals would also be part of the episcopal order, ranked after the six cardinal bishops of the suburbicarian sees ( who had been relieved of direct responsibilities for those sees by Pope John XXIII three years earlier ).

The Credo of the People of God is a profession of faith that Pope Paul VI published with the motu proprio Solemni hac liturgia of 30 June 1968.

* Ecclesia Dei is the motu proprio of 2 July 1988 that Pope John Paul II issued in response to the Ecône consecrations.

This form of the Mass remained essentially unchanged for 400 years until Pope Paul VI's revision of the Roman Missal in 1969 – 70, after which it has become widely known as the Tridentine Mass ; use of the last pre-1969 edition of the Missal, that by Pope John XXIII in 1962, is permitted without limitation for private celebration of the Mass and, since July 2007, is allowed also, under certain conditions, for public use, as laid down in the motu proprio Summorum Pontificum of Pope Benedict XVI.

In the Missal this Code of Rubrics replaced two of the documents in the 1920 edition ; and the Pope's motu proprio Rubricarum instructum took the place of the superseded the Apostolic constitution Divino afflatu of Pope Pius X.

In his motu proprio Summorum Pontificum of 7 July 2007, Pope Benedict XVI stated that the 1962 edition of the Roman Missal was never juridically abrogated and that it may be freely used by any priest of the Latin Rite when celebrating Mass without the people.

The Pontifical Commission Ecclesia Dei is a commission of the Roman Catholic Church established by Pope John Paul II's motu proprio Ecclesia Dei of 2 July 1988 for the care of those former followers of Archbishop Marcel Lefebvre who broke with him as a result of his consecration of four priests of his Society of St. Pius X as bishops on 30 June 1988, an act the Holy See deemed illicit and schismatic.

Set up by Pope John Paul II by a motu proprio of 15 January 1993, it is presided over by the Cardinal Secretary of State and includes also the Secretary and the Undersecretary for Relations with States, and the Secretaries of the Congregations for the Eastern Churches, for the Clergy, and for Institutes of Consecrated Life and Societies of Apostolic Life, and of the Pontifical Council for Promoting Christian Unity.

It was instituted by Pope John Paul II on 1 January 1989 by an apostolic letter in the form of a motu proprio.

* February 14 – Pope Paul VI issues a motu proprio deleting many names from the Roman calendar of saints ( including Valentine, who was celebrated on that day ).

The 14 February 1961 Instruction of the Congregation for Rites on the application to local calendars of Pope John XXIII's motu proprio Rubricarum instructum of 25 July 1960 decreed that " the feast of ' Saint Anacletus ', on whatever ground and in whatever grade it is celebrated, is transferred to 26 April, under its right name, ' Saint Cletus '.

Use of this 1960 calendar, which is included in the 1962 edition of the Roman Missal, continues to be authorized under the conditions indicated in the motu proprio Summorum Pontificum ; but the feast has been removed from the General Roman Calendar since 1969.

Following the recommendations of the council ( in Lumen Gentium 29 ), in 1967 Pope Paul VI issued the motu proprio Sacrum Diaconatus Ordinem, restoring the ancient practice of ordaining to the diaconate men who were not candidates for priestly ordination.

Of this rite, what is now the " ordinary " or, to use a word employed in the Letter of Pope Benedict XVI accompanying the motu proprio Summorum Pontificum, the " normal " form is that which developed from the Second Vatican Council to the present day, while the form in force in 1962 is authorized as an extraordinary form of the Roman Rite without restriction in private celebrations and under certain conditions in public celebrations.

Within three months of his coronation, Pius X published his motu proprio Tra le sollecitudini ( possibly co-written by his friend Lorenzo Perosi ).

Pius X said in his 1903 motu proprio Tra le sollecitudine: The primary and indispensable source of the true

But, since Pope Benedict XVI's motu proprio, Summorum Pontificum, use of the Tridentine rite has increased ; this, along with other Papal comments on the use of appropriate liturgical music, is promoting a new plainsong revival.

Thus, in his motu proprio Summorum Pontificum of 7 July 2007, Pope Benedict XVI referred to this form of the Roman-Rite Mass by linking it with " the Roman Missal promulgated by Pope Paul VI in 1970 ".

In his letter to bishops which accompanied his 2007 motu proprio Summorum Pontificum, Pope Benedict XVI wrote that " the Missal published by Paul VI and then republished in two subsequent editions by John Paul II, obviously is and continues to be the normal Form – the Forma ordinaria – of the Eucharistic Liturgy.

" Since then, the term " ordinary form " is often used to distinguish this form of the Roman Rite of Mass from the Tridentine Mass, the 1962 edition of which Pope Benedict declared in his motu proprio to be an authorized " extraordinary form ".

In accordance with Pope Paul VI's motu proprio Ministeria quaedam of 15 August 1972, " first tonsure is no longer conferred ".

Previous traditions that allowed some other bishops to use the pallium were ended by Pope Paul VI in a motu proprio in 1978.

In 2007, Pope Benedict XVI issued a motu proprio entitled Summorum Pontificum, accompanied by a letter to the world's bishops.

In 1673 he published his mathematical analysis of pendulums, Horologium Oscillatorium sive de motu pendulorum, his greatest work on horology.

This took the form of a 9-page manuscript, " De motu corporum in gyrum " (" Of the motion of bodies in an orbit "): the title is shown on some surviving copies, although the ( lost ) original may have been without title.

( Newton had also communicated ' De motu ...' to Flamsteed, and during the period of composition he exchanged a few letters with Flamsteed about observational data on the planets, eventually acknowledging Flamsteed's contributions in the published version of the ' Principia ' of 1687.

Following repeated rumours that the use of the Tridentine Mass would be liberalised, the Pope issued a motu proprio called Summorum Pontificum on 7 July 2007, together with an accompanying letter to the world's Bishops.

On 25 July 1920 he wrote the motu proprio Bonum sane on Saint Joseph and against naturalism.

As pointed out by Dr. John Newton, the editor of Baronius Press, the prayer, in the form included in the 1962 Missal, for whose use the motu proprio gave greater freedom, draws heavily on 2 Corinthians, chapters 3 and 4.

Rabbi David Rosen, the AJC ’ s international director of Interreligious Affairs stated: " We acknowledge that the Church ’ s liturgy is an internal Catholic matter and this motu proprio from Pope Benedict XVI is based on the permission given by John Paul II in 1988 and thus, on principle, is nothing new ".

We appreciate that the motu proprio actually limits the use of the Latin Mass in the days prior to Easter, which addresses the reference in the Good Friday liturgy concerning the Jews (...) However, it is still not clear that this qualification applies to all situations and we have called on the Vatican to contradict the negative implications that some in the Jewish community and beyond have drawn concerning the motu proprio.

Sometimes, the Court may overturn a lower court ruling and judge the case ex proprio motu without being petitioned ( cassation sans renvoi ), as long as the merits and facts of the case are on record.

The scientist, who had earlier filed the PIL in Supreme Court, then petitioned IPAB requesting it to initiate an action on its own will ( suo motu ) for the cancellation of GI status to the Tiruppathi laddu.

Although the Roman Catholic Church still approves devotion to him, listing him in the Roman Martyrology among the saints venerated on 25 July, Pope Paul VI removed his feast day from the Roman Catholic calendar of saints in his 1969 motu proprio Mysterii Paschalis.

In a motu proprio on 28 January 1904, Pius X joined the Congregation of Indulgences with that of Rites, but with the restructuring of the Roman Curia in 1908 all matters regarding indulgences was assigned to the Holy Office.

The term " instituted acolyte ", which does not appear in the 1972 motu proprio, is used in the General Instruction of the Roman Missal to distinguish those on whom the ministry has been conferred with the prescribed rite from others who, while sometimes called acolytes, are less ambiguously referred to as altar servers.

One of the new pontiff's first official acts was the promulgation of the motu proprio, Tra le sollecitudini (" Amidst the Cares "), which appeared, appropriately enough, on St Cecilia's Day, 22 November 1903.

Over the last few years several resorts have been built on motu ( small islands, from Tahitian ) surrounding the lagoon.

In addition to the existing islands of Bora Bora ( called motu ), the new man-made motu of Motu Marfo has been added in the north-eastern corner of the lagoon on the property of the St. Regis Resort.