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
Prince Rupert of the Rhine to conclude a peace with Parliament. Charles, still supported by an optimistic Digby, believed he could win the war. By late summer Rupert had become trapped in Bristol by Parliamentary forces; faced with an impossible military situation on the ground, Rupert surrendered Bristol in September 1645, and Charles dismissed him from his service and command. Rupert responded by making his way across Parliamentary held territory to the King at Newark with Prince Maurice and around a hundred men, fighting their way through smaller enemy units and evading larger ones. King Charles attempted to order Rupert to desist, fearing an armed