Battle of Naseby Confederation through the Cessation Treaty, and Catholic nations in Europe. By publishing this correspondence, entitled "The King's Cabinet Opened", Parliament gained much support in favour of fighting the war to a finish. Within a year, the first civil war ended in a Parliamentarian military victory. Battle of Naseby The Battle of Naseby was a decisive engagement of the English Civil War, fought on 14 June 1645 between the main Royalist army of King Charles I and the Parliamentarian New Model Army, commanded by Sir Thomas Fairfax and Oliver Cromwell. It was fought near the village of Naseby in Northamptonshire. After
Battle of Langport that Rupert had surrendered prematurely, and the two became increasingly estranged. These Parliamentarian successes isolated the remaining Royalists in the West Country from Charles's forces in Wales, Oxford and the Midlands. The Royalists were no longer able to raise effective field forces and first civil war ended less than a year later, after the Parliamentarians captured most of the isolated Royalist garrisons. Battle of Langport The Battle of Langport was a Parliamentarian victory late in the First English Civil War which destroyed the last Royalist field army and gave Parliament control of the West of England, which had hitherto been