Bishop of Winchester Saints Birinus and Agilbert. It was transferred to Winchester in AD 660. During the Middle Ages, it was one of the wealthiest English sees and its bishops have included a number of politically prominent Englishmen, notably the 9th century Saint Swithun and medieval magnates including William of Wykeham and Henry of Blois. A cathedral at Dorchester was founded in 634 by the Roman missionary Saint Birinus. It was the seat of a Bishop of the West Saxons; the episcopal see for that kingdom was moved to Winchester in 660 and so the Wessex Bishops of Dorchester were succeeded by the
Saint Sophia Cathedral in Polotsk Saint Sophia Cathedral in Polotsk The Cathedral of Holy Wisdom in Polotsk (; ) was built by Prince Vseslav Briacheslavich (r.1044–1101) between 1044 (it is first mentioned in the Voskresenskaia Chronicle under the year 1056) and 1066. It stands at the confluence of the Polota and Western Dvina Rivers on the eastern side of the city and is probably the oldest church in Belarus. The cathedral is, like the Saint Sophia Cathedral in Kiev and Saint Sophia Cathedral in Novgorod, named after the Holy Wisdom of God. After building his own cathedral, Vseslav, who was an izgoi prince, tried to