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).
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.
Emperor Otto II confirms to Patriarch Vitalis of Grado and the bishops subject to him the jurisdictions, immunities, and other rights of their churches.
Pope John XIX confirms the possessions of the Patriarchate of Grado.
Emperor Conrad II donates Umag to the Bishopric of Novigrad as both an ecclesiastical and temporal possession; 16th-century forgery.
Henry III, King of the Romans, confirms the donations of his predecessors to the Bishopric of Trieste as well as all the immunities and privileges enjoyed by the said Church, including the jurisdiction over Umag and Monfalcone.
Five Istrian communities – Pula, Rovinj, Poreč, Novigrad and Umag – pledge their fealty to the doge of Venice and his successors, promising military support, a variety of symbolic tributes to St. Mark, the patron saint of Venice, and to the doges, guaranteeing the safety of all the Venetians in their jurisdictions and abolishing all the dues for Venetian traders.
With the help of Fulcher, the bishop of Concordia, a peace treaty is reached, signed between Venice on the one side and the Patriarchate of Aquileia, the count of Gorizia, and the Commune of Trieste on the other, ending the war that had begun in 1283.
The elected arbitrators and envoys deliberate over the dispute between the Commune of Venice and the Patriarchate of Aquileia regarding the jurisdiction over Istrian communes recognizing Venetian authority, reaching absolutely no conclusion after six sessions.
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.
Since Pietro Doria, the general captain of the Genoese armada, conquered Rovinj, fort Turnina, and Umag in Istria, as well as Grado in the Dogado, and relinquished all of these territories to the Patriarchate of Aquileia, Marquard of Randeck, Aquileian patriarch, returns the favour to admiral Doria and the Commune of Genoa by bestowing upon them various privileges in the said territories, including the right to appoint their own consuls to administer justice to the Genoese, as well as the complete exemption from all the tolls and taxes.
Due to poor management of public granaries throughout Istria, where the managers of these granaries used the money for other purposes rather than to purchase grains and other necessary items to feed the poor, the Venetian Senate enacts several rules to remedy this situation.