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).
Henry IV, King of the Romans, donates properties in Piran and Novigrad in the March of Istria to the monastery of Saint Andrew in Freising under the jurisdiction of the Bishopric of Freising and its bishop Ellenhardus.
A peace treaty is reached between Aquileian Patriarch Raymond della Torre and his advocate Albert, Count of Gorizia, together with his allies which included the Commune of Koper and Piran.
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 Council of Hundred responds to the articles of the pact of subjection issued by the Commune of Buje, accepting the community into the Venetian Dominion.