Grado Patriarchate
The Patriarchate of Grado was a diocese of the Catholic Church based in Grado , Friuli .
history
In the course of the so-called three - chapter dispute in 567, the bishops of Aquileia accepted the title of patriarch and separated from Rome. When the Lombards invaded Friuli in 568 , Patriarch Paul fled to Grado. In 606 Patriarch Candidianus , who resided in Grado, sought communion with Rome again. His cathedral chapter, which remained in Aquileia, did not join this project and chose John I as patriarch. Since then there have been two patriarchies, one in Grado ( Aquileia Nova ), which was responsible for the lagoon and was moved to Venice in 1445, and one in (Old) Aquileia. The cathedral church of the patriarch residing in Grado was the church of Sant'Eufemia . After the death of the last patriarch in 1451, the Patriarchate of Grado was dissolved by Pope Nicholas V and the Patriarchate of Venice was established in its place together with the dioceses of Castello and Venice .