Vol. 2: A 804 usque ad 1077

804_PR

Regestum

The Plea of Rižana (Placitum Rizianense): The representatives of Istrian towns and cities present their grievances to counts Aio and Cadulus, the envoys of the Roman emperor Charlesmagne, in an official placitum held by the river Rižana in the district of Koper.

Date
804

814_LPF

Regestum

Emperor Louis the Pious informs Patriarch Fortunatus II of Grado and the faithful of the province of Istria that, at their request, he confirms the free election of the patriarch, bishops, abbots, tribunes and other authorities, that in the event of breach of faith, quarrels and oppression of the poor, the legal judgment awaits them and that violators of the Placitum of Rižana (doc. 804_PR) will be subject to the prescribed penance.

Date
Between 814 and 821; customarily dated to 815.

826_LPE

Regestum

Emperor Louis the Pious and his son Lothar write to Venerius, the patriarch of Grado, confirming the possessions of his Church, including the Patriarchate's jurisdictions in Istria.

Date
826

826_LV

Regestum

Louis the Pious and his son Lothar instruct Patriarch Venerius of Grado to go to Rome again to settle his dispute with the Patriarch Maxentius of Aquileia before the Pope and their messengers, despite the fact that Maxentius failed to attend the first meeting, causing Venerius to return home without any resolution.

Date
Between 826 and June of 827 (doc. 827_SM)

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

828_ARF

Regestum

Emperor Louis the Pious deposes several marcher officials – including Baldric, the duke of Friuli – from their offices due to their military impotence. As a result of Baldric’s deposition, the March of Friuli – which included Istria – is divided into four counties governed by their respective counts.

Date
February of 828
Place

828_VP

Regestum

Patriarch Venerius writes to Pope Gregory IV, imploring his assistance in resolving disputes regarding the metropolitan jurisdiction over Istrian bishoprics, granted by the Synod of Mantua (doc. 827_SM) to his adversary Maxentius, the patriarch of Aquileia, and expressing confidence in the Pope’s judgment and authority.

Date
828

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

840_PL

Regestum

The first pact between the Venetian neighbors in the Kingdom of Italy, represented by Emperor Lothar I, and the Duchy of Venice, represented by Doge Pietro Tradonico, sanctioning mutual aid in campaigns against the Slavs, defining the rights over the use of land and numerous aspects related to trade as well as the modalities of justice administration.

Date
840
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)

844_SA

Regestum

Pope Sergius II writes to Andrew, the patriarch of Aquileia, addressing his ongoing dispute with Venerius, the patriarch of Grado, urging patience, suggesting the convening of a general synod to address these issues, and emphasizing the need for imperial authority to finally put an end to this dispute between the two ecclesiastical sees.

Date
Between January 844 and January 847, that is, during the pontificate of Pope Sergius II

847_MARU

Regestum

The last will and testament of a woman from Trieste calling herself "Maru, the handmaiden of God" (Maru ancilla Dei).

Date
April 26, 847 (most probably) or 849 (less probably)

852_LMD

Regestum

Emperor Louis II assumes under his protection the monastery of St. Michael in Diliano and its abbot Felmo, bestowing upon the monastery immunities and the right of free election of its abbots.

Date
17th of November, 852
Place

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

857_LMD

Regestum

Emperor Louis II confirms to St. Michael's monastery in Diliano and abbot Felmo the right to have two lay advocates - the brothers Petronasius and Talasius - to defend their rights.

Date
3rd of April, 857
Place

880_PAV

Regestum

Venice, represented by Doge Orso I Participazio, and the Patriarchate of Aquileia, represented by Patriarch Walpert, sign a treaty according to which the Venetian Doge agrees not to block the Aquileian port Pylum, but only under the condition that the patriarch stops with all the hostilities directed against the Church of Grado and exempts the Venetians from all the tolls on his territories, according to the old customs.

Date
January of 880
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

910_AI

Regestum

Archbishop John XI of Ravenna writes to Bishop John of Pula regarding the pope's admonition of Count Albuin who had alienated some goods of the Ravennite Church in Istria.

Date
c. 910 (after doc. 910_PS)
Place

911_BT

Regestum

King Berengar I donates two forts, the Vermes (Beram in Istria ?), to the Bishopric of Trieste (10th- or 11th-century forgery).

Date
27th of June, 911 or 914
Place

929_HT

Regestum

King Hugo donates Sipar, Umag, and Monfalcone to Radald, the bishop of Trieste, and places the Bishopric of Trieste under his royal protection; a forged charter.

Date
7th of August, 929
Place

931_MA

Regestum

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

Date
October 17, 931
Place

932_PI

Regestum

Due to fair treatment and continuous protection, the city of Koper, represented by a locopositus, scabini, the protector of the people (advocatus totius populi) and many others, freely promise an annual gift of one hundred amphorae of wine to the Venetian Doge Pietro II Candiano, to be paid every year within ten days of the harvest, guarantee protection to all Venetians in their city, and prompt debt recovery.

Date
January 14, 932
Place

933_PW

Regestum

Following a dispute between the Venetians and Istrians, one that resulted in the embargo on all trading between Istria and Venice, Margrave Winther, together with the people and the bishops of Istria, promise to cease all hostilities towards the Venetians, not to usurp or occupy the properties of the Patriarchate of Grado or Venetian bishoprics in the region, to regularly take cognizance of and adjudicate the complaints lodged by the Venetians against defaulting debtors from Istria, to abolish all the newly instituted duties and only charge the customary fees of a docking tax and a market fee, and to promptly inform the Venetians in case the king of Italy plans any offensive against them so that they could safely repatriate.

Date
March 12, 933
Place

944_PAV

Regestum

Thanks to the mediation of Marino, the patriarch of Grado, Lupus II, the patriarch of Aquileia, manages to reach a peace accord with Venice, represented by Doge Pietro III Candiano, but only under the condition that all the hostilities directed against Grado immediately stop and that the patriarch promises to inform Venice of any hostile plans directed against it.

Date
13th of March, 944
Place