 It was founded in the 4th century during Roman rule, while additions were made in the 7th and 9th centuries, after which it served as the ecclesiastical seat of the Serbian church, and as the baptismal church and state council site of the Nemanjić dynasty, until the last years of the 12th century.It is dedicated to Saints Peter and Paul.The exact date of founding is unknown; it is mentioned in the 9th century as the seat of the eparchy of Serbia (see Eparchy of Ras).