Epistolae pontificum Romanorum

559_PPI

Regestum

Pope Pelagius I writes to patrician John regarding the detrimental consequences of the schism within the Church (the so-called Three Chapters Controversy), especially concerning the recent election of a schismatic patriarch of Aquileia, urging the Byzantine official not to recognize their authority as they had not been canonically elected.

Date
February of 559

559_PPV

Regestum

Pope Pelagius I writes to patrician Valerian, beseeching him to repress the schismatics and support the quest to restore union to the Church.

Date
March of 559

559_PL

Regestum

Pope Pelagius I writes to a patrician John on the detrimental effects of the schism in the Church (the so-called Three Chapters Controversy), singling out Bishop Euphrasius as a particularly depraved schismatic and advising the patrician to repress the schismatics in the province of Aquileia (that is, the region Venetia et Histria).

Date
March of 559

559_PPV1

Regestum

Pope Pelagius I writes to patrician Valerian, urging him to take action against the schismatic bishops in the ecclesiastical provinces of Milan and Aquileia and support the papal quest to bring back unity to the Church.

Date
Between March and the 16th of April, 559

559_PPN

Regestum

Pope Pelagius I writes to patrician Narses, beseeching him to take action against the schismatic bishops, namely the bishop of Fossombrone and the bishops of Liguria, Venetia and Istria.

Date
Between March and mid-April of 559

559_PL1

Regestum

Pope Pelagius I writes to Charles, the magister militum, regarding the Schism of the Three Chapters and the schismatic bishops.

Date
April of 559

585_PPH1

Regestum

Pope Pelagius II writes to Helias, the patriarch of Aquileia, and all the bishops of Istria, the province whose prelates still persevered in their refusal to condemn the three chapters denounced by the Fifth Ecumenical Council (Constantinople II) of 553, urging them to desist from their schismatic ways and return to the embrace of the Catholic Church.

Date
Between 585 and 586
Place

591_GS

Regestum

Pope Gregory I writes to Severus, the patriarch of Aquileia, requesting on behalf of the emperor (Maurice) that he come to Rome with his clergy and be judged on a synod (for his unwillingness to condemn the Three Chapters and his perseverance in supporting the schism).

Date
January of 591
Place

599_PGC

Regestum

Pope Gregory I writes to Callinicus, the Exarch of Italy, regarding a variety of affairs, including the recent military victory over the Slavs and the return of the Church of Koper to the Catholic creed.

Date
May 599
Place

600_PGM

Regestum

Pope Gregory I writes to Maxim, the bishop of Salona, on a variety of matters, including the latest advances of the Slavs and their recent incursions into Italy by way of Istria.

Date
July 600
Place

628_HPE

Regestum

Pope Honorius incites all the bishops of the ecclesiastical province Venetia et Histria to profess disobedience to the deposed patriarch Fortunatus of Grado and to accept subdeacon Primogenius, to whom the pope had already sent the pallium, as their new lawful head of the ecclesiastical province; moreover, the pope promises to open diplomatic negotiations with the Lombard king, with whom the deposed Fortunatus sought refuge, with the goal of restoring all the ecclesiastical goods stolen by the said Fortunatus.

Date
February 18, 628
Place

723_GS

Regestum

Pope Gregory II writes to Aquileian patriarch Serenus, reminding him that he received the pallium at the behest of the Lombard king and that he ought to exercise his ecclesiastical rights within the confines of Lombard territories, not interfering with the jurisdictions of the Patriarchate of Grado.

Date
December 1, 723
Place

723_GD

Regestum

Pope Gregory II writes to Donatus, the patriarch of Grado, to Duke Marcellus of Venice, and to the clergy and populace of Venetia et Histria, informing them that he has heard their lamentations regarding the actions of the “Friulian bishop” (the patriarch of Aquileia) and that he has undertaken appropriate measures, ordering the invaders to remain within the confines of their jurisdictions.

Date
Undated, but issued shortly after doc. 723_GS (December 1, 723)
Place

725_GP

Regestum

Pope Gregory II writes to the bishops and populace of Venice and Istria, notifying them that Peter, the former bishop of Pula who usurped the Patriarchate of Grado following the death of Patriarch Donato, has been removed and returned to his See in Pula and that the bishops ought to elect a new head of the church of Grado.

Date
March 1, 725
Place

731_GA

Regestum

Pope Gregory III writes to archbishop Anthony of Grado and to his suffragans, inviting them to the church synod to be held in Rome in the coming November where the issue of icon veneration will be discussed.

Date
731, before November
Place

732_GC

Regestum

Pope Gregory III orders Callistus, the patriarch of Aquileia who has received the pallium from the pope, to restitute Centenara and Musione, the possessions of the monastery of St. Mary in Barbana subject to the Patriarchate of Grado.

Date
After November 731, before 733
Place

741_GA

Regestum

Pope Gregory III writes to Patriarch Anthony of Grado, inviting him and his suffragans to a synod that is to take place in Rome and assuring him of safe passage through Lombard lands.

Date
Circa 741 according to Gundlach; between 739 and 740 according to Cessi
Place

768_SE

Regestum

Pope Stephan III writes to all the bishops of Istria, reprimanding their insolence for consecrating each other, reminding them that they fall under the metropolitan jurisdiction of the Archbishopric of Grado, and threatening the bishops who fail to heed these warnings with excommunication.

Date
Between 768 and 772 according to Gundlach; between 770 and 772 according to Cessi; January of 772 according to Margetić
Place

768_SI

Regestum

Pope Stephan III writes to Patriarch John of Grado, reassuring him that he has the support of the Apostolic See in his struggles against the Lombards in Istria, reminding him that Istria is under the joint protection of the papacy and the Franks, and informing him that he has dealt with the Istrian bishops who refuse to recognize him as their metropolitan and who uncanonically appoint each other to their episcopal sees.

Date
Between 768 and 772 according to Gundlach; between 770 and 772 according to Cessi; January of 772 according to Margetić
Place

776_HPC

Regestum

Pope Adrian I writes to Charlemagne, the King of the Franks and the Lombards, beseeching him to direct Duke Marcarius of Friuli to help reinstate the Istrian bishop Maurice – whose eyes have been gouged out by “the most abominable Greeks” – to his bishopric.

Date
Between 776 and 780
Place

910_PS

Regestum

Pope Sergius III writes to John, the bishop of Pula, informing him of Archbishop of Ravenna John XI's complaints against Count Albuin, who unlawfully alienated the possessions of the Church of Ravenna in Istria, and asking him to personally convey to the Count that he must return these possessions under the threat of excommunication and that King Berengar I will not be crowned emperor until he grants Albuin’s March (of Istria or of Friuli) to someone better.

Date
Between 905 and 911, usually dated to 910.
Place

1079_WM

Regestum

Pope Gregory VII admonishes a noble knight Wezelin for attacking Dalmatia, ruled by a ruler approved by the Holy See, and orders him to immediately stop with the hostilities lest the "sword of St. Peter" be unleashed upon him and his followers.

Date
4th of October, 1079
Place