During the pontificate of Pope Paul III the Council fathers met for the first through eighth sessions in Trent ( 1545 – 7 ), and for the ninth through eleventh sessions in Bologna ( 1547 ).

During his short pontificate he played the part of a peacemaker ; he came to terms with the Emperor Frederick I in the vexing question of the appointment to the See of Magdeburg and closed the long quarrel, which had raged through four pontificates, about the appointment of William Fitzherbert ( commonly known as Saint William of York ) to the see of York by sending him the pallium in spite of the continued opposition of the powerful Cistercian order.

During the pontificate of Honorius, many of the tertiary orders first came into existence.

During his pontificate he largely continued to pursue the pro-French political policy of his predecessor, Pope Martin IV.

During the first few months of his pontificate he lived in the Vatican, but in the autumn of 1285 he removed to the magnificent palace he had just erected on the Aventine.

During his pontificate, in October 312, Constantine defeated Maxentius and assumed control over Rome.

During the pontificate of Boniface, Mellitus, the first Bishop of London, went to Rome " to consult the pope on important matters relative to the newly established English Church ".

During his pontificate, he added a new chapel to the Papal Palace and dedicated it to St. Peter.

During the previous pontificate the Jesuits had been expelled from Portugal and from all the Bourbon courts: France, Spain, Naples, and Parma ; now the general suppression of the order was urged by the faction called the " court cardinals ", who were opposed by the diminished pro-Jesuit faction, the Zelanti (" zealous "), who were generally opposed to the encroaching secularism of the Enlightenment.

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.

During his pontificate vigorous measures were taken against the heresies which had broken out in Germany, England, and other parts of Europe ; a sincere effort was also made to cause a reformation in the various monastic orders.

During his pontificate, Gregory fostered cultural patronages associated with his papacy.

During the pontificate of Pope Zachary, he was ordained a priest, after which the pope decided to keep him to work at the Lateran Palace.

During his pontificate Rome was ravaged, and the churches of St. Peter and St. Paul were sacked by Saracens, who also assaulted Porto and Ostia in August 846.

He was ordained as a subdeacon by Pope Marinus I, followed by his being raised to the deaconate by Pope Stephen V. During the pontificate of Pope Formosus ( 891 – 896 ), he was a member of the party of nobles who supported the Emperor Lambert, who was the opponent of Formosus and the pope ’ s preferred imperial candidate, Arnulf of Carinthia.

During his pontificate, the Byzantine emperor John V Palaeologus offered to submit the Greek church to the Roman See on condition of assistance against John VI Cantacuzenus.

During his pontificate, Catholicism was provisionally restored in England under Queen Mary in 1553.

During nearly the whole of his pontificate, Eugene III was unable to reside in Rome.

During his brief pontificate, Leo granted the canons of Bologna a special papal bull ( epistola tuitionis ) where he exempted them from the payment of taxes.

During his brief pontificate, Leo confirmed the decisions of the Synod of Split.

During the pontificate of his political enemy Gregory XIII ( 1572 – 85 ,) Cardinal Montalto, as he was generally called, lived in enforced retirement, occupied with the care of his property, the Villa Montalto, erected by Domenico Fontana close to his beloved church on the Esquiline Hill, overlooking the Baths of Diocletian.

During the 17-year pontificate of Zephyrinus, the young Church endured severe persecution under the Emperor Severus until his death in the year 211.

During his pontificate the schism of Hippolytus of Rome came to an end.

During his pontificate, anti-Christian measures increased, although new churches were built and cemeteries were expanded.

During the reign of Antoninus Pius ( 138-161 ), he arrived in Rome and started his own school.

During that meeting, Ribbentrop suggested an overall settlement between the Vatican and the Reich government in exchange for Pius XII instructing the German bishops to refrain from political criticism of the German government, but no agreement was reached.

During his reign, he ended the Spanish Inquisition, partly because Napoleon was at odds with Pope Pius VII at the time.

During his time as a student, he witnessed vehement demonstrations against Popes St. Pius X and Benedict XV in Rome during an anniversary celebration by the Freemasons.

During his sophomore year, Teena rejected Christianity after he protested to a priest at Pius X regarding Christian views on abstinence and homosexuality.

During this period, Ferdinand showed his attachment to Pope Pius IX by granting him asylum at Gaeta.

During his life Abbé Pierre met Popes Pius XI, Pius XII, John XXIII and John Paul II a few times, but wasn't able to meet Pope Benedict XVI.

During the Roman Empire's first 200 years, this tradition was common with Tiberius, Caligula, Nero, Trajan, Hadrian, Antoninus Pius and Lucius Verus all becoming Emperor through adoption.

During this generalate Mother Julie Billiart was solemnly beatified by Pius X, May 13, 1906.

During a USO tour by a number of players in 1944, Medwick was among several individuals given an audience by Pope Pius XII.

During this period, he also held diplomatic negotiations with nuncio Eugenio Pacelli, the future Pope Pius XII, on the status of the Roman Catholic Church in the newly formed Soviet Union.

During a videotaped memorial entitled Malachi Martin Weeps For His Church, Rama Coomaraswamy, a sedevacantist cleric, claimed that Martin had told him that he had been secretly ordained a bishop during the reign of Pius XII in order to travel behind the Iron Curtain ordaining priests and bishops for the underground churches of Eastern Europe and the Soviet Union.

During the pontificates of Pope Gregory XVI and Pope Pius XI the Ariccia bridgewas built, which is the current route of State Road 7 Via Appia.

During this time he had significant interaction with the nuntius ( dean of the diplomatic corps ) Cardinal Achille Ratti, later Pius XI, who wanted De Wiart's advice as to whether to evacuate the diplomatic corps from Warsaw.

During its centenary celebration in 1955, Pope Pius XII raised the cathedral to the rank of minor Basilica.

During the Second World War, the Noble Guard shared responsibility with the Swiss Guard for the personal security of Pope Pius XII.

During the papal audience, Pope Pius XII reportedly said: " Publish this work as it is.

During the War, the various national seminaries in Rome were temporarily closed by Pope Pius XII and non-Italian students returned to their home countries.

During the 1940s, he worked for the Austrian imperial family and for Pope Pius XII.

During the early phase of this conflict, the Senate, fearing that they may need additional troops and commanders, ordered Metellus Pius to negotiate a peace with the Samnites.

During Pius VII's papacy, the cardinals had tended to divide into two groups, the zelanti and the politicani.

During the Roman times, Cassis was part of the maritime route made by the Emperor Antoninus Pius.

During the year, dialogue about the canonical situation of the St Pius X Fraternity continued at various levels.