sentences:  From the seventh century the dominant power in Ulster was the Dál Fiatach so much so that the title "Rí Uladh" could simultaneously mean "King of Ulster" and "King of the Dál Fiatach".County Down was the ancient centre of the Dál Fiatach lands, and the chief royal site and religious centre of the Dál Fiatach was at Downpatrick from where they ruled Ulster for centuries.In 1137, St. Malachy after resigning as Archbishop of Armagh, separating the two dioceses and appointing another as Bishop of Connor, became the Bishop of Down.