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
Clan Leslie to death but he escaped and rejoined King Charles and continued to fight. Leslie's Scottish Covenanter force was defeated by the Scottish Parliamentarian forces who were at this point in time loyal to the Parliament of England and Oliver Cromwell at the Battle of Dunbar (1650). Leslie successfully commanded the Scottish Argyll Government Royalist forces at the Battle of Carbisdale (1650) where he was victorious against Scottish Royalist forces commanded by James Graham, 1st Marquess of Montrose. Leslie's Royalist Forces were defeated at the Battle of Worcester in 1651. Leslie, who was now commanding Royalist forces, had supported the plan