Cholsey Abbey was an Anglo-Saxon

Anglo-Saxons

Anglo-Saxon is a term used by historians to designate the Germanic tribes who invaded and settled the south and east of Great Britain beginning in the early 5th century AD, and the period from their creation of the English nation to the Norman conquest. The Anglo-Saxon Era denotes the period of...

 nunnery in Cholsey

Cholsey

Cholsey is a village and civil parish south of Wallingford, in South Oxfordshire. In 1974 it was transferred from Berkshire to the county of Oxfordshire, and from Wallingford Rural District to the district of South Oxfordshire....

 in the English

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 county of Berkshire

Berkshire

Berkshire is a historic county in the South of England. It is also often referred to as the Royal County of Berkshire because of the presence of the royal residence of Windsor Castle in the county; this usage, which dates to the 19th century at least, was recognised by the Queen in 1957, and...

 (now Oxfordshire

Oxfordshire

Oxfordshire is a county in the South East region of England, bordering on Warwickshire and Northamptonshire , Buckinghamshire , Berkshire , Wiltshire and Gloucestershire ....

), which was founded in 986.

After King Edward the Martyr

Edward the Martyr

Edward the Martyr was king of the English from 975 until he was murdered in 978. Edward was the eldest son of King Edgar, but not his father's acknowledged heir...

 was murdered, his stepmother, Ælfthryth, was implicated in the crime. Edward's death had allowed Ælfthryth's son, Ethelred the Unready

Ethelred the Unready

Æthelred the Unready, or Æthelred II , was king of England . He was son of King Edgar and Queen Ælfthryth. Æthelred was only about 10 when his half-brother Edward was murdered...

, to become King of England. Both Ælfthryth and Ethelred were instrumental in establishing Cholsey Abbey: an act of expiation for Edward's death.

Following the Danish

Viking

The term Viking is customarily used to refer to the Norse explorers, warriors, merchants, and pirates who raided, traded, explored and settled in wide areas of Europe, Asia and the North Atlantic islands from the late 8th to the mid-11th century.These Norsemen used their famed longships to...

 attack on Wallingford in 1006, it is thought that the invaders burnt the nunnery to the ground. However, some ruins may have survived to be rebuilt as Cholsey parish church

Church of England parish church

A parish church in the Church of England is the church which acts as the religious centre for the people within the smallest and most basic Church of England administrative region, known as a parish.-Parishes in England:...

, where Anglo-Saxon masonry survives in the tower.