The same word in adjectival form ( purgatorius-a-um, cleansing ), which appears also in non-religious writing, was already used by Christians such as Augustine of Hippo and Pope Gregory I to refer to an after-death cleansing.

Transmission, Gregory Chaitin also presents this theorem in J. ACM – Chaitin's paper was submitted October 1966 and revised in December 1968, and cites both Solomonoff's and Kolmogorov's papers.

He also knew Orosius's Adversus Paganus, and Gregory of Tours ' Historia Francorum, both Christian histories, as well as the work of Eutropius, a pagan historian.

Bede would also have been familiar with more recent accounts such as Eddius Stephanus's Life of Wilfrid, and anonymous Lives of Gregory the Great and Cuthbert.

In ancient literature, we find a reference to the workings of water-powered marble saws close to Trier, now Germany, by the late 4th century poet Ausonius ; about the same time, these mill types seem also to be indicated by the Christian saint Gregory of Nyssa from Anatolia, demonstrating a diversified use of water-power in many parts of the Roman Empire.

By the mid-20th century many rhyming slang expressions used the names of contemporary personalities, especially actors and performers: for example " Gregory Peck " meaning " neck " and also " cheque "; " Ruby Murray " meaning " curry "; " Alans ", meaning " knickers " from Alan Whicker ; " Max Miller " meaning " pillow " when pronounced / ˈpilə / and " Henry Halls ".

She also worked to bring the papacy of Gregory XI back to Rome from its displacement in France, and to establish peace among the Italian city-states.

She carried on a long correspondence with Pope Gregory XI, also asking him to reform the clergy and the administration of the Papal States.

She also tried to convince Pope Gregory XI to return to Rome.

Gregory XII then sent representatives to Constance, whom he granted full powers to summon, open and preside over an Ecumenical Council ; he also empowered them to present his resignation to the Papacy.

Some of Pope Gregory the Great ’ s letters survive that relate to the mission of St. Augustine to Kent in 597 ; these letters provide information about the mission specifically, but also can be used to draw conclusions about the state of Kent and its relationships with its neighbours.

Gregory, however, also says that he thinks that Ingoberg was seventy years old in 589 ; and this would make her about forty when she married Charibert.

In 318, Gregory appointed his second son Aristaces as the next Catholicos in line of Armenia's Holy Apostolic Church to stabilize and continue strengthening Christianity not only in Armenia, but also in the Caucasus and Anatolia.

Gregory also placed and instructed his grandson Gregory ( one of the sons of Vrtanes ) in charge of the holy missions to the peoples and tribes of all of the Caucasus and Caucasian Albania.

Gregory of Nazianzus ( c. 329 – January 25 389 or 390 ) ( also known as Gregory the Theologian or Gregory Nazianzen ; ) was a 4th-century Archbishop of Constantinople.

This view of Gregory is also held by some modern theologians, such as John Sachs who said that Gregory had " leanings " toward apocatastasis, but in a " cautious, undogmatic " way.

Apart from the several theological discourses, Gregory was also one of the most important early Christian men of letters, a very accomplished orator, perhaps one of the greatest of his time, and also a very prolific poet, writing several poems with theological and moral matter and some with biographical content, about himself and about his friends ( one short poem, " Eis ta Emmetra ", actually lays down some rules for the composition of poetry ).

On Mount Athos, Barlaam encountered Hesychasts and heard descriptions of their practices, also reading the writings of the teacher in Hesychasm of St Gregory Palamas, himself an Athonite monk.

St Gregory defended hesychasm in the 1340s at three different synods in Constantinople, and he also wrote a number of works in its defense.

One of Barlaam's friends, Gregory Akindynos, who originally was also a friend of St Gregory Palamas, took up the controversy, which also played a role in the civil war between the supporters of John Cantacuzenus and John V Palaeologus.

Among those who built up the Christian Church, extended its influence, and strengthened its institutions, the bishops of Asia Minor occupy a high position ; among them Gregory of Neocaesarea holds a very prominent place.

At an early age, he came to the attention of the papal nephew, Cardinal Scipione Borghese, and in 1621, at the age of only twenty three, he was knighted by Pope Gregory XV.

* 1377 – Pope Gregory XI issues five papal bulls to denounce the doctrines of English theologian John Wycliffe.

In the 1230s, Pope Gregory IX responded to the failures of the episcopal inquisition with a series of papal bulls which became the papal inquisition.

A papal dispensation was also necessary for the marriage to take place, as the couple was closely related, and was issued by Pope Gregory XII on 6 December 1374.

Although the description " servant of the servants of God " was also used by other Church leaders, including St. Augustine and St. Benedict, it was first used extensively as a papal title by Pope St. Gregory the Great, reportedly as a lesson in humility for Patriarch of Constantinople John the Faster, who had assumed the title " Ecumenical Patriarch ".

This political and temporal authority was demonstrated through the papal role in the Holy Roman Empire ( especially prominent during periods of contention with the Emperors, such as during the Pontificates of Pope Gregory VII and Pope Alexander III ).

He annulled Pope Gregory X's bull on the holding of papal conclaves, but died before enacting new regulations.

After the long deadlocked vacancy in the papal see after the death of Clement IV, a vacant seat of three years, he was one of the six cardinals who finally elected Pope Gregory X by compromise on 1 September 1271 in a conclave held at Viterbo because conditions in Rome were too turbulent.

As a deacon, Boniface had impressed Pope Gregory I, who described him as a man " of tried faith and character " and selected him to be apocrisiarius ( legate, essentially the papal nuncio ) to the court of Constantinople in 603.

During the pontificate of Pope Constantine Gregory was made a papal secretary, and accompanied him to Constantinople in 711 to deal with the issues raised by Rome ’ s rejection of the canons of the Quinisext Council.

Tensions between Gregory and the imperial court began around 722, when emperor Leo III attempted to raise taxes on the papal patrimonies in Italy, draining the Papacy ’ s monetary reserves.

Gregory ’ s elevation to the papal see is believed to represent a continuation of the attempts to control the local political situation in Rome which had begun during Pope Eugene II ’ s pontificate.

In response to the defeat of the crusader Kingdom of Jerusalem at the Battle of Hattin, Gregory issued the papal bull Audita tremendi calling for the Third Crusade.

List of papal tombs | Tomb of Pope Gregory X in Arezzo's Cathedral of Saint Donatus.

Gregory succeeded Pope Clement IV in 1271 after the papal chair had been vacant for three years due to divisions among the Cardinals.

After his elevation to the papal chair at the conclusion of the papal election of 1227, Gregory IX commissioned Konrad von Marburg to eliminate heresy throughout the whole of Germany.

As archbishop, he was appointed papal legate to France by Pope Paschal II during the time that Paschal was induced under pressure from Holy Roman Emperor Henry V to issue the Privilegium of 1111, by which he yielded much of the papal prerogatives that had been so forcefully claimed by Pope Gregory VII in the Gregorian Reforms.

By coming down solidly on the side of Spanish interests, in part because Gregory XIV was elected due to the influence of the Spanish cardinals, the recent papal policy of trying to maintain a balance between Spain and France was abandoned.

Gregory was chosen at Rome in 1406 by a conclave consisting of only fifteen cardinals under the express condition that, should Antipope Benedict XIII ( 1394 – 1423 ), the rival papal claimant at Avignon, renounce all claim to the Papacy, he would also renounce his, so that a fresh election might be made and the Western Schism ( 1378 – 1417 ) could be ended.

Detail of the list of papal tombs | tomb of Pope Gregory XIII celebrating the introduction of the Gregorian calendar.

This was verified by the observations of Clavius, and the new calendar was instituted when Gregory decreed, by the papal bull Inter gravissimas of 24 February 1582, that the day after Thursday, 4 October 1582 would be not Friday, 5 October, but Friday, 15 October 1582.