Oliver Cromwell with Sir Thomas Fairfax in command and Cromwell as Lieutenant-General of cavalry and second-in-command. At the critical Battle of Naseby in June 1645, the New Model Army smashed the King's major army. Cromwell led his wing with great success at Naseby, again routing the Royalist cavalry. At the Battle of Langport on 10 July, Cromwell participated in the defeat of the last sizeable Royalist field army. Naseby and Langport effectively ended the King's hopes of victory, and the subsequent Parliamentarian campaigns involved taking the remaining fortified Royalist positions in the west of England. In October 1645, Cromwell besieged and took
Prince Rupert of the Rhine Rupert fought at the Battle of Lowestoft in 1665, breaking through the enemy defences at a critical moment; Rupert's leg was injured in the battle, an injury that caused him ongoing pain. Recalled to accompany the King during the plague that was sweeping London, Rupert continued to argue in favour of the fleet's seeking a set-piece engagement with the Dutch that would force the Dutch back to the negotiating table. The following year, Rupert was made joint commander of the fleet with Monk and given the opportunity to put this plan into practice. In June 1666, they fought the Dutch