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
Siege of Bristol (1645) dismissed Rupert (his nephew) from all his offices and ordered him to leave England. The fall of Bristol meant that Chester was the only important seaport remaining to connect the English Royalists with Ireland. Siege of Bristol (1645) The second siege of Bristol of the English Civil War lasted from 23 August 1645 until 10 September 1645, when the Royalist commander Prince Rupert surrendered the city he had captured from the Parliamentarians on 26 July 1643 to Lord Fairfax the commander of Parliament's New Model Army. Fairfax and the New Model Army, after reducing Bridgwater, had turned back to clear