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
Patron saint acclaim rather than through official declaration. Traditionally, it has been understood that the patron saint of a particular place prays for that place's wellbeing and for the health and happiness of all who live therein. However, the Wahhabi and Salafi movements within Sunnism have latterly attacked the veneration of saints (as patron or otherwise), which they claim are a form of idolatry or "shirk". More mainstream Sunni clerics have critiqued this argument since Wahhabism first emerged in the 18th century. The critiques notwithstanding, widespread veneration of saints in the Sunni world declined in the 20th century under Wahhabi and Salafi