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Pope Gregory II was Bishop of Rome from 19 May 715 to his death in 731. His defiance of the Byzantine emperor Leo III the Isaurian as a result of the iconoclastic controversy in the Eastern Empire prepared the way for a long series of revolts, schisms and civil wars that eventually led to the establishment of the temporal power of the popes.
Pope Gregory III was Bishop of Rome from 11 February 731 to his death in 741. His pontificate, like that of his predecessor, was disturbed by Byzantine iconoclasm and the advance of the Lombards, in which he invoked the intervention of Charles Martel, although ultimately in vain. He was the fifth Syrian pope and the last pope born outside of Europe for 1,272 years, until the election of Pope Francis in 2013.
Year 568 (DLXVIII) was a leap year starting on Sunday of the Julian calendar. The denomination 568 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Aquileia is an ancient Roman city in Italy, at the head of the Adriatic at the edge of the lagoons, about 10 kilometres (6 mi) from the sea, on the river Natiso, the course of which has changed somewhat since Roman times. Today, the city is small, but it was large and prominent in Antiquity as one of the world's largest cities with a population of 100,000 in the 2nd century AD. and is one of the main archeological sites of Northern Italy.
Pope John XIX was Pope from May 1024 to his death in 1032.
The Schism of the Three Chapters was a schism that affected Chalcedonian Christianity in Northern Italy lasting from 553 to 698 AD, although the area out of communion with Rome contracted throughout that time. It was part of a larger Three-Chapter Controversy that affected the whole of Roman-Byzantine Christianity.
The Three-Chapter Controversy, a phase in the Chalcedonian controversy, was an attempt to reconcile the Non-Chalcedonians of Syria and Egypt with the Orthodox Catholic Church, following the failure of the Henotikon. The Three Chapters that Emperor Justinian I anathematized were:
- The person and writings of Theodore of Mopsuestia
- Certain writings of Theodoret of Cyrus
- The letter of Ibas of Edessa to Maris
In the history of Christianity and later of the Roman Catholic Church, there have been several Councils of Aquileia. The Roman city of Aquileia at the head of the Adriatic is the seat of an ancient episcopal see, seat of the Patriarch of Aquileia.
The Patriarch of Venice is the ordinary bishop of the Roman Catholic Archdiocese of Venice. The bishop is one of the few patriarchs in the Latin Church of the Catholic Church. Presently, the only advantage of this purely formal title is the bishop's place of honor in papal processions. In the case of Venice, an additional privilege allows the patriarch, even if he is not a cardinal, the use of the colour red in non-liturgical vestments. In that case, the red biretta is topped by a tuft, as is the custom with other bishops who are not cardinals.
Grado is a town and comune in the north-eastern Italian region of Friuli-Venezia Giulia, located on an island and adjacent peninsula of the Adriatic Sea between Venice and Trieste.
The Patriarchate of Aquileia was an episcopal see in northeastern Italy, centred on the ancient city of Aquileia situated at the head of the Adriatic, on what is now the Italian seacoast. For many centuries it played an important part in history, particularly in that of the Holy See and northern Italy, and a number of church councils were held there.
Saint Paulinus II was a priest, theologian, poet, and one of the most eminent scholars of the Carolingian Renaissance. From 787 to his death, he was the Patriarch of Aquileia. He participated in a number of synods which opposed Spanish Adoptionism and promoted both reforms and the adoption of the Filioque into the Nicene Creed. In addition, Paulinus arranged for the peaceful Christianisation of the Avars and the alpine Slavs in the territory of the Aquileian patriarchate. For this, he is also known as the apostle of the Slovenes.
Poppo of Treffen was the fifty-seventh patriarch of Aquileia from 1019 to 1045.
Paulinus I was the first Patriarch of Aquileia, serving from 557 to 571.
The Duchy of Friuli was a Lombard duchy in present-day Friuli, the first to be established after the conquest of the Italian peninsula in 568. It was one of the largest domains in Langobardia Major and an important buffer between the Lombard kingdom and the Slavs, Avars, and the Byzantine Empire. The original chief city in the province was Roman Aquileia, but the Lombard capital of Friuli was Forum Julii, modern Cividale.
The Patriarchate of Old Aquileia existed between 607 and 698 because of the Tricapitoline Schism in the Patriarchate of Aquileia. It was allied with the Arian Lombards, while the rival Patriarchate of Grado was allied with the Byzantine Empire.
The Synods of Rome in 731 were two synods held in St. Peter’s Basilica in the year 731 under the authority of Pope Gregory III to defend the practice of Icon veneration.
Maxentius of Aquileia was an Italian Patriarch. Maxentius served as the Patriarch of Aquileia from 811 till his death in 837.
The Diocese of Castello, originally the Diocese of Olivolo, is a former Roman Catholic diocese that was based on the city of Venice in Italy. It was established in 774, covering the islands that are now occupied by Venice. Throughout its existence there was tension between the diocese, the Patriarchate of Grado to which it was nominally subordinate, and the Doge of Venice. Eventually in 1451 the diocese and the patriarchate were merged to form the Archdiocese of Venice.
Ulrich II von Treven was Patriarch of Aquileia in northern Italy from 1161 to 1181. He supported Frederick I, Holy Roman Emperor, (1122–1190) in his unsuccessful struggle for supremacy over the northern Italian states and the papacy. He was also involved in a dispute over jurisdiction with the Patriarch of Grado where he was ultimately successful.
References
- ↑ Thomas Hodgkin (1928). Italy and Her Invaders: The Lombard invasions, 553-600. Oxford: Oxford University Press.
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