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
Battle of Aylesbury Battle of Aylesbury The Battle of Aylesbury was an engagement which took place on 1 November 1642, when Royalist forces, under the command of Prince Rupert, fought Aylesbury's Parliamentarian garrison at Holman's Bridge a few miles to the north of Aylesbury town. The Parliamentarian forces were victorious, despite being heavily outnumbered. Prince Rupert took possession of Aylesbury with a force of several thousand infantry and cavalry but subsequently received intelligence of the impending arrival of a brigade of Parliament's troops from Stony Stratford. Prince Rupert marched out with most of his force to confront the enemy at a site a