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 disguise itself behind enemy lines. After the end of the First English Civil War Rupert was employed by the young King Louis XIV of France to fight the Spanish during the final years of the Thirty Years' War. Rupert's military employment was complicated by his promises to the Holy Roman Emperor that had led to his release from captivity in 1642, and his ongoing commitment to the English Royalist faction in exile. He also became a Knight of the Garter in 1642. Throughout the period Rupert was inconvenienced by his lack of secure income, and his ongoing feuds with other