Wallingford is a historical market community as well as civil parish situated to the south of Oxford on the River Thames in England. Historically located in the region of Berkshire, it was transferred to Oxfordshire for the purposes of management in 1974. Wallingford is located 12 miles (19 kilometres) north of Reading, 13 miles (21 kilometres) south of Oxford as well as 11 miles (18 km) north west of Henley-on-Thames. The town's population was 11,600 in the 2011 census. The community has actually played an essential function in English background starting with the surrender of Stigand to William the Conqueror in 1066, which brought about his taking the throne as well as the creation of Wallingford Castle. The castle and the town enjoyed royal standing and prospered for much of the Middle Ages. The Treaty of Wallingford, which finished a civil war called The Anarchy between King Stephen and Empress Matilda, was signed there. The community then got in a duration of decline after the arrival of the Black Death and also falling out of favour with the Tudor monarchs before being contacted once more throughout the English Civil War. Wallingford held up as the last remaining Royalist stronghold in Berkshire before giving up after a 16-week siege. Fearing that Wallingford Castle could be used in a future uprising, Oliver Cromwell got its damage. Since then Wallingford has actually become a market town and also centre of neighborhood business. At the centre of the community is a huge competitive market square with the war memorial and also 17th century arcaded city center to the south, the Corn Exchange theatre to the eastern and also countless search the edges. Off the square there are alleys and also streets with even more shops as well as a number of historic inns. Although it was a town, Wallingford once had 14 churches; now, there are three ancient churches within the Parish of St Mary-le-More as well as St Leonard, a modern-day Roman Catholic church, a Quaker Meeting House dating from 1724 and Baptist, Methodist and also neighborhood churches.