Battle of Langport and four infantry regiments from their New Model Army, to relieve Taunton. They raised the siege on 11 May 1645, but were themselves besieged by Goring's returning army (although there was no longer any danger of the Royalists storming the town). On 14 June 1645, the main body of the New Model Army under Sir Thomas Fairfax, with Oliver Cromwell as Lieutenant General of Horse, won the decisive Battle of Naseby, destroying Charles's main army. After the Royalist garrison of Leicester surrendered four days later, the New Model Army was free to march to the relief of Taunton. The army
Devizes Ralph Hopton in Devizes. However the siege was lifted by a relief force from Oxford under Henry Wilmot, 1st Earl of Rochester and Waller's forces were almost totally destroyed at the Battle of Roundway Down. Devizes remained under Royalist control until 1645, when Oliver Cromwell attacked and forced the Royalists to surrender. The castle was destroyed in 1648 on the orders of Parliament, a process known as slighting, and today little remains of it. From the 16th century Devizes became known for its textiles, initially white woollen broadcloth but later the manufacture of serge, drugget, felt and cassimere or Zephyr