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 leading members of the Royalist circle. Rupert first travelled to the Royal court in exile at St Germain but found it still dominated by the Queen and her favourite, Rupert's enemy Digby. Instead, Rupert moved on, accepting a well paid commission from Anne of Austria to serve Louis XIV as a "mareschal de camp", subject to Rupert being free to leave French service to fight for King Charles, should he be called upon to do so. In 1647 Rupert fought under Marshal de Gassion against the Spanish. After a three-week siege, Rupert took the powerful fortress of La Bassée through