Dioceses of the Church of the East to 1318 to represent them. None of these four dioceses is mentioned again, and it is not clear when they lapsed. By the end of the 5th century there were at least three East Syriac dioceses in the Sassanian province of Media in western Iran. Canon XXI of the synod of Isaac in 410 foreshadowed the extension of the metropolitan principle to the bishops of Beth Madaye and other relatively remote regions. Hamadan (ancient Ecbatana) was the chief city of Media, and the Syriac name Beth Madaye (Media) was regularly used to refer to the East Syriac diocese of Hamadan as well
Potentia (ancient city) Potentia (ancient city) Potentia was a Roman town along the central Adriatic Italian coast, near the modern town of Porto Recanati, in the province of Macerata. Its original position was just north of the main Roman bed of the River Potenza (the ancient Flosis), which now flows more than to the north. In 268 BC the central Adriatic homeland of the local Picene peoples was military dominated and incorporated by the Romans. Later, under emperor Augustus, it was organized as Regio V Picenum. The installation of a series of mostly maritime Latin and Roman colonies during the second part of