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
Southam skirmish was fought outside the town between Parliamentary forces led by Lord Brooke and Royalist forces commanded by the Earl of Northampton. The Battle of Southam is claimed by locals to have been the first battle of the English Civil Wars. Later that year, Charles stayed in Southam before the Battle of Edgehill on 23 October 1642. In 1645 Oliver Cromwell and 7,000 Parliamentary troops stayed in the town. In the stagecoach era Southam became an important stop on the coach road between Coventry and Oxford. Many old coaching inns remain in the town. However, few buildings in Southam date