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
First Battle of Newbury the Battle of Roundway Down left Parliament without an effective army in the west of England, the lack of which allowed the Royalists under Prince Rupert to storm Bristol with the western army and Oxford army. The result was that Parliamentarian forces were depleted and appeared to be losing; Essex's army was the only significant one left in the field, and it suffered from reduced morale due to the defeats inflicted on Parliament by Royalist forces elsewhere in the war. Despite this, Royalist forces were significantly depleted by the battle at Bristol. Suffering over 1,000 men dead, and having exhausted