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
Prince Rupert of the Rhine led the relief of Newark and York and its castle. Having marched north, taking Bolton and Liverpool along the way in two bloody assaults, Rupert then intervened in Yorkshire in two highly effective manoeuvres, in the first outwitting the enemy forces at Newark with speed; in the second, striking across country and approaching York from the north. Rupert then commanded much of the royalist army at its defeat at Marston Moor, with much of the blame falling on the poor working relationship between Rupert and the Marquess of Newcastle, and orders from the King that wrongly conveyed a desperate need