During the pontificate of Pius IX a strong Ultramontane movement arose against the French Breviaries of 1680 and 1736.

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 a subsequent visit to England, Lorraine was made a Master Mason at another specially convened lodge at Houghton Hall, the Norfolk estate of British Prime Minister Robert Walpole.

During his time in England, Mannheim played a central role in ' The Moot ', a Christian think-tank concerned with the role of culture in society, which was convened by J. H. Oldham.

During July 13 – 14, 1998 the University of California Irvine convened WISEN: the Workshop on Internet-Scale Event Notification.

During the Council, which convened on December 8, 1869, the world was informed of proceedings in the Letters of Quirinus, written by Doellinger and Huber.

During the French Revolution the Constituent Assembly, elected in 1789, passed a self-denying ordinance barring any member from sitting in its successor, the Legislative Assembly convened in 1791.

During a specially convened Labor Conference in Hobart in May 1955 the " Groupers " were expelled from the Labor Party and Calwell chose to stay within the party.

During the constitutional convention, the Democrats convened their own party convention.

During Comecon's early years ( through 1955 ), its sessions were convened on an ad hoc basis.

During this period, the Thomas Dongan, 2nd Earl of Limerick who was the royal governor of New York convened the first legislature of New York in October 1683 for a meeting at the fort.

During this period he was also a visiting professor at other schools including the University of Texas School of Law, and served on several Massachusetts state commissions convened to study legal issues such as judicial salaries and lawyer conflicts of interest.

During the time of Yugoslavia and the State Union, the parliament of Serbia convened in another building on Kralja Milana street.

During the 1848 revolution, a new Reich coat of arms was adopted by the German National Assembly that convened in St. Paul's Church in Frankfurt.

During the period of Ukrainization in Soviet Ukraine, the 1927 International Orthographic Conference was convened in Kharkiv, from May 26 to June 6.

During this time the EPA convened an important conference with an aim to recommend guidelines for survey design.

During this time, The Commandant of the Marine Corps, Alexander Vandegrift, convened a special board known as the Hogaboom Board.

During the American Revolutionary War, the Second Continental Congress convened in Philadelphia at the Pennsylvania State House.

During the Johor Sultanate political turning point from 1612, the Sultans convened for a political legitimacy.

During the decisive battle of Sekigahara, which took place in 1600 and put an end to the long period of war, the Shimazu fought there, but despite heavy losses, Shimazu Yoshihiro was able to return to Kagoshima, though this did not affect their subsequent standing when Tokugawa Ieyasu convened power.

During 1963-1964 Prof. Huskey participated in establishing the Computer Center at IIT Kanpur and convened a meeting there with many pioneers of computing technology.