Patriarchatus Aquileiensis

547_MD

Regestum

Maximian, the bishop of Ravenna, endows the monastery of St. Andrew and the church of St. Mary in Pula.

Date
During the episcopate of Maximian, the bishop of Ravenna (4th of October 546-22nd of February 556/7); traditionally, but wrongly, dated to 21st of February 547.
Place

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_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

568_HL

Regestum

Lombards under King Alboin invade Italy and conquer Friuli; Gisulf I, Alboin's nephew, is made the ruler (duke) of Friuli; Paulinus, the incumbent patriarch of Aquileia, flees from Aquileia due to the invasion and finds shelter in Grado where he hides the treasury of his Church as well (narrative account from Paul the Deacon's History of the Lombards).

Date
Between April of 568 and 569

579_PPG

Regestum

Pope Pelagius II confirms Grado as the new metropolitan see of the ecclesiastical province of Venetia et Histria; 11th-century forgery.

Date
20th of April, 579
Place

579_SG

Regestum

The acts of the synod of Grado, heavily interpolated by later falsifications, by which the bishops of the ecclesiastical province of Aquileia remain faithful to the Catholic creed as decreed by the Ecumenical Councils of Chalcedon (451), Ephesus (431), Constantinople I (381) and Nicaea (325), refusing to denounce the Three Chapters condemned by the Second Ecumenical Council of Constantinople (552).

Date
3rd of November, 579 (purportedly) or sometime between 572 and 577 (more probably)
Place

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

590_HL

Regestum

Following the death of Aquileian patriarch Helias, his successor, Patriarch Severus, together with three other bishops (including the bishop of Poreč, John) are imprisoned in Ravenna by the Byzantine exarch Smaragdus; in order to buy their freedom, the prelates agree to condemn the Three Chapters and reunite with Rome, a move that greatly angers other bishops in the ecclesiastical province of Aquileia. Finally, a synod is held in Marano (591) whereby Patriarch Severus is forced to formally acknowledge the error of his ways in supporting the condemnation of the Three Chapters (narrative accounts from Paul the Deacon's History of the Lombards).

Date
590-591

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

591_EHM

Regestum

The bishops of the ecclesiastical province of Aquileia write to emperor Maurice, beseeching him not to allow their metropolitan, Archbishop Severus of Aquileia, who was forcefully taken to the pope in Rome, to be put on trial and judged by the adversaries of the Three Chapters, that is, the non-schismatic clergy; the bishops expound their viewpoints on the theological controversy, their fealty to the Ecumenical Council of Chalcedon, and why they refuse to denounce the so-called Three Chapters condemned by Emperor Justinian I and the Ecumenical Council of Constantinople in 553.

Date
591 (after the synod of Marano)

591_MG

Regestum

Emperor Maurice writes to Pope Gregory I, urging him not to treat violently the schismatic bishops of the ecclesiastical province of Aquileia (the "Istrian bishops") and not to compel them to journey to Rome.

Date
591 (after the Synod of Marano)

607_HL

Regestum

Following the death of Aquileian patriarch Severus, two new patriarchs are ordained: John, supported by the Lombards and with his seat in Aquileia; and Candidianus, supported by the Romans (Byzantines) with his seat in Grado - the definitive and official split of the patriarchate of Aquileia into two patriarchal sees (narrative account from Paul the Deacon's History of the Lombards).

Date
Circa 607

607_IAA

Regestum

Patriarch John of Aquileia writes to Lombard King Agilulf, complaining that the ill-ordained Candidianus was consecrated as the bishop of Grado by the three Istrian bishops who were violently forced to do so by the “Greeks” (the Romans, that is, the Byzantines), and he beseeches the king not to allow such consecrations to continue following Candidianus' death.

Date
Circa 607

698_SP

Regestum

Under Lombard King Cunipert, the Synod of Pavia takes place where the representatives of the schismatic clergy of the ecclesiastical province of Aquileia officially accept the decrees of the 5th Ecumenical Council (Constantinople II) and finally desist from their schism; narrative account from the contemporary "Poem on the Synod of Pavia" (Carmen or Rythmus de Synodo Ticiensi).

Date
698 or 699
Place

780_VA

Regestum

Late 8th-century poem lamenting the destruction of Aquileia at the hands of the Huns in the mid-5th century, composed either by Paulinus II of Aquileia (ⴕ 802) or Paul the Deacon; the poem was later used by Venetian authors to argue that Aquileia had never been restored following this destruction and that Grado, therefore, succeeded it as the capital of the ecclesiastical province of Venetia et Histria.

Date
Between c. 760 and c. 800

792_CM1

Regestum

King Charlemagne bestows to the Church of Aquileia the right to canonical election of their patriarchs (that nonetheless requires royal confirmation) and exempts it from public taxes such as the tithes, the grazing fees for livestock sent to graze in Istria, and war taxes (lodgings and provisions for the army) unless the royal military is forced to pass through Friuli and the Treviso region.

Date
4th of August, 792
Place

799_CDH

Regestum

A poem dedicated to the memory of the late Duke Eric of Friuli, composed by Patriarch of Aquileia Paulinus II.

Date
Between 799 and 802

803_CMA

Regestum

Emperor Charlemagne subordinates six episcopal sees to the Church of Aquileia, badly damaged by the incursions of the pagans; late-10th-century forgery.

Date
4th of August, 803
Place

827_SM

Regestum

The decrees of the Synod of Mantua: the long conflict between the patriarchs of Grado and Aquileia over the metropolitan jurisdiction over Istrian bishoprics is settled in favor of the Aquileian Church.

Date
6th of June, 827
Place

832_LPA

Regestum

Emperor Lothair I confirms the immunities enjoyed by the Church of Aquileia and its right to canonically elect their patriarchs.

Date
30th of November, 832
Place

844_CA

Regestum

A poem composed in response to the Synod of Mantua (6th of June, 827), arguing that Aquileia, the old metropolitan see of the ecclesiastical province Venetia et Histria, was so thoroughly destroyed by barbarians (Attila, the Avars, Lombards and Goths) that it was never rebuilt; thus, the metropolitan see transferred to "the Venetians" and Aquileia was demoted to a status of a mere parish.

Date
c. 850 (between 844 and 855)

855_LPA

Regestum

Emperor Louis II confirms the charter of Lothair I to the Patriarchate of Aquileia regarding the dispute with the Patriarchate of Grado that was settled at the Synod of Mantua in 827: the patriarchs of Aquileia are to enjoy the metropolitan jurisdiction over all the Istrian bishoprics.

Date
30th of October, 855
Place

931_MA

Regestum

Hugh of Arles and his son Lothair II, kings of Italy, donate Muggia to the Patriarchate of Aquileia.

Date
17th of October, 931
Place

965_RP

Regestum

Patriarch Rodoald donates Rovinj, a land that was destroyed by the "abominable Slavs", to the Bishopric of Poreč. Forged charter.

Date
20th of January, 965 (according to indiction) or 966.
Place