In 1420 Venice annexed the Friulian territories of the Imperial Patriarchate of Aquileia from the Adriatic coast up to Pontebba in the Julian Alps.
Anno Domini | Congregatio Discipulorum Domini | Vincenzo de Domini | Domini di Terraferma | Congregation of the Lord's Disciples (CDD: Congregatio Discipulorum Domini) | Anno Domini High Definition |
In the west, the peaks of the Julian Alps high above Lake Bohinj marked the border with the historic Friulian region, initially held by the Patriarchs of Aquileia, but gradually conquered by the Republic of Venice and incorporated into the Domini di Terraferma by 1433.