probably constructed around AD 60 in connection with the Boudican revolt, and then inhabited sporadically until around 280 AD. The origins of the present settlement are obscure, but Coventry probably began as an Anglo-Saxon settlement. Although there are various theories of the origin of the name, the most widely accepted is that it was derived from Cofa's tree; derived from a Saxon landowner called Cofa, and a tree which might have marked either the centre or the boundary of the settlement. Medieval Around a Saxon Nunnery was founded here by St Osburga, which was later left in ruins by King Canute's invading Danish army in 1016. Leofric, Earl of Mercia and his wife Lady Godiva built on the remains of the nunnery and founded a Benedictine monastery in 1043 dedicated to St Mary. It was during this time that the legend of Lady Godiva riding naked on horseback through the streets of Coventry, to protest against unjust taxes levied on the citizens of Coventry by her husband, was alleged to have occurred. Although this story is regarded as a myth by modern historians, it has become an enduring part of Coventry's identity. A market was established at the abbey gates and the settlement expanded. At the time of the Norman Conquest in 1066, Coventry was probably a modest sized town of around 1,200 inhabitants, and its own minster church. Coventry Castle was a motte and bailey castle in the city. It was built in the early 12th century by Ranulf de Gernon, 4th Earl of Chester. Its first known use was during The Anarchy when Robert Marmion, a supporter of King Stephen, expelled the monks from the adjacent priory of Saint Mary in 1144, and converted it into a fortress from which he waged a battle against the Earl. Marmion perished in the battle. It was demolished in the late 12th century. St Mary's Guildhall was built on part of the site. It is assumed the name "Broadgate" comes from the area around the castle gates. By the 13th century, Coventry had become an important centre of the cloth trade, especially blue cloth dyed with woad and known as Coventry blue. Throughout the Middle Ages, it was one of the largest and most important cities in England, which at its Medieval height in the early 15th century had a population of up to 10,000, making it the most important city