Chester Castle

Chester originated as the Roman legionary fortress of Deva. Stone defenses first rose around AD 100 and for the next three centuries it housed the Twentieth Legion. When the Roman occupation came to an end the site appears to have been deterred, but the Danes took refuge one winter behind the old walls and withstood a Saxon attempt to dislodge them. This prompted Ethelred, Earl of Mercia, to establish a burgh here on the Wessex pattern in 907. It put up a rare resistance to William the Conqueror but fell in 1070. The present city wall is largely of the thirteenth century, a period when most English towns rebuilt their defenses. Underlying the medieval defenses are the remains of the …