Castra Istrie

Istria as described in the chapters of Cosmography, penned by the anonymous Ravenna Cosmographer (Anonymus Ravennas), including the region's rendition on the famous Peutinger's Map (Tabula Peutingeriana).

Emperor Otto II confirms to Patriarch Vitalis of Grado and the bishops subject to him the jurisdictions, immunities, and other rights of their churches.

Emperor Otto II confirms the jurisdictions of the bishops of Poreč and grants them immunities.

A public placitum held in front of Istrian Count Werihen whereby the dispute between the Bishopric of Poreč, represented by Bishop Andrew, and a Bertha, a widow of a Cadoloh, regarding the latter's fiscal obligations towards the Church of Poreč (herbaticum and glandaticum) is judged in Bertha's favor.

King Henry II confirms Otto III’s donations of Pazin and Pićan to the Church of Aquileia and donates various jurisdictions in these two places, terrains to both sides of the river Raša, and the port of Plomin.

Pope John XIX confirms the possessions of the Patriarchate of Grado.

Upon the petition of the citizens of Koper, who suffered due to their allegiance to the Empire, Emperor Conrad II confirms their possessions, their customary law, immunities, and the freedom to trade in the Empire.

Following the Synod of Rome, convened to resolve the recently rekindled conflict between the patriarchs of Aquileia and Grado, Pope Benedict IX writes to Urso, the patriarch of Grado, informing him of the Synod’s decision to support the cause of his church against the Aquileian Patriarch Poppo, who had recently launched a second military invasion of Grado before his untimely death; the pope confirms the metropolitan status together with the ecclesiastical and secular jurisdictions of the Patriarchate of Grado, dubbed “New Aquileia” for the very first time in an authentic papal document.

A regestum of a donation by which Hartwig of Piran together with his wife Bona donates Kaštel (Castelvenere) to Ulrich, the margrave of Istria.

Henry IV, King of the Romans, donates properties in Istria to Margrave Ulrich I of Weimar-Orlamünde for his faithful service.

King Henry IV confirms the jurisdictions and immunities of the Bishopric of Poreč.

Ulrich II Weimar-Orlamünde and his wife Adelaide donate their possessions in the County of Istria to Patriarch Ulrich of Eppenstein and the Church of Aquileia.

Henry of Eppenstein, duke of Carinthia, donates his castle "in the place that is called Ruvoyn" to the Church of Aquileia.

Pope Alexander III confirms the spiritual and secular jurisdictions of the bishops of Poreč.

Wolfger, the patriarch of Aquileia and margrave of Istria, confirms the boundaries of the territories under the jurisdictions of the bishops of Poreč (13^th-century forgery).

Count Maynard III of Gorizia gives Pietro Dandolo another third of the fief that his uncle and father, Maynard II and Engelbert III, had granted to the late brothers Andrea and Enrico Dandolo and their nephew Marino. The Dandolos thus concentrate two-thirds of the said fief in their hands, which includes half of the tithes in Kaštion and Pidrizago and eight tithes in Piran.

Monfiorito of Pula pledges loyalty to the Aquileian Patriarch Gregory of Montelongo, promising to uphold the rights and honor of his Church, to reimburse all goods received from the patriarch and his people, to immediately and unconditionally withdraw from Motovun, and to appoint suitable sureties for the fulfillment of these commitments in form of sworn guarantors. This oath is subsequently reaffirmed in Muggia as Monfiorito, along with the representatives of the Commune of Pula, provides thirty-one persons as his sworn guarantors.

Aquileian Patriarch and Margrave of Istria and Carniola Gregory of Montelongo invests Henry of Pazin and his heirs, represented by Cono of Momjan, with several fiefs which included Lupoglav and the adjacent village Gorenja Vas in Istria.

Aquileian patriarch [Raymond della Torre] catalogs his supposed rights and prerogatives in Istria to Venetian ambassadors [Marino Dauro and Pietro Tiepolo] – the Iura domini patriarche ac ecclesie Aquilegiensis in tota Istria.

Count Albert I of Gorizia grants to his faithful vassal Charles called Carstmann of Pazin and his heirs and brothers half of a mill on the River Raša, which had reverted to the count after the death of Nassinguerra, son of Lord Wernher of Rakalj, as a legal and proper fief with all its appurtenances.

Records of negotiations between Venice and Patriarch Raymond della Torre regarding jurisdictions in Istria, mediated by Bishop Bernard of Tripoli: first, Venice elects its negotiators; second, Patriarch Raymond issues his statement; third, the Venetian envoys present their terms in two separate statements; finally, Patriarch Raymond responds to Venetian terms and a semblance of a peace treaty begins to take shape.

Records of negotiations between Venice and Patriarch Raymond della Torre regarding jurisdictions in Istria, mediated by Bishop Bernard of Tripoli. On Bernard’s suggestion, the parties negotiate regarding a partial restitution of Venetian towns in Istria, a two-year truce, and a lasting peace following the promulgation of the arbitrational sentence of Pope Nicholas IV, the jointly elected judge arbiter in the dispute regarding Istrian jurisdictions.

Records of negotiations between Venice and Patriarch Raymond della Torre regarding jurisdictions in Istria, mediated by Bishop Bernard of Tripoli. After Patriarch Raymond’s reply and counterproposal, a final sketch of the treaty is presented to the parties.

King Rudolf I issues a privilege to Boniface, the bishop of Poreč, confirming the earlier privilege issued to the Bishopric of Poreč by Otto II in 983, declaring all the previous alienations of the bishopric’s properties invalid, and confirming and re-granting the secular jurisdiction over Vrsar to the same bishopric.

Venice signs a peace treaty with the patriarch of Aquileia, Count Albert I of Gorizia, and the Commune of Trieste, ending their final conflict and restoring amicable relations as defined by their previous pacts; Venice retains the jurisdictions over the subjected communities in Istria with the exception of Muggia, Buje, and Dvigrad; the settlement of the dispute over the jurisdictions in Istria between Venice and the Patriarchate of Aquileia is entrusted to Pope Nicholas IV.