Wallingford is a historical market community and also civil parish situated to the south of Oxford on the River Thames in England. Historically located in the county of Berkshire, it was moved to Oxfordshire for the purposes of management in 1974. Wallingford is positioned 12 miles (19 km) north of Reading, 13 miles (21 kilometres) south of Oxford as well as 11 miles (18 kilometres) north west of Henley-on-Thames. The community's population was 11,600 in the 2011 census. The community has played an essential duty in English background starting with the abandonment of Stigand to William the Conqueror in 1066, which resulted in his taking the throne and also the development of Wallingford Castle. The castle and also the community took pleasure in royal condition as well as thrived for much of the Middle Ages. The Treaty of Wallingford, which ended a civil war known as The Anarchy in between King Stephen and Empress Matilda, was signed there. The town then got in a period of decrease after the arrival of the Black Death and also befalling of favour with the Tudor monarchs before being called on once more during the English Civil War. Wallingford held out as the last staying Royalist stronghold in Berkshire before giving up after a 16-week siege. Fearing that Wallingford Castle could be made use of in a future uprising, Oliver Cromwell got its damage. Ever since Wallingford has become a market town and centre of neighborhood commerce. At the centre of the community is a huge free market square with the battle memorial as well as 17th century arcaded city center to the south, the Corn Exchange theatre to the east and also various search the edges. Off the square there are alleys and also streets with more shops as well as a variety of historical inns. Although it was a small town, Wallingford as soon as had 14 churches; currently, there are three old churches within the Church of St Mary-le-More and also St Leonard, a contemporary Roman Catholic church, a Quaker Meeting House dating from 1724 and Baptist, Methodist and area churches.