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
William Godolphin (Royalist) July, two days later, the Royalists won a pyrrhic victory at the Battle of Lansdowne. Sir Bevill Grenvile fell at the battle. The foot were now besieged in Devizes but witnessed the destruction of Waller's forces at Roundway Down. The Western Royalists took Bath, and after joining Prince Rupert on 26 July 1643 they stormed Bristol. The Battle lasted over thirteen hours and at the end the Royalist had taken the City, but lost both Sir Nicholas Slanning and Sir John Trevanion. The Cornish returned to Devon, and unfer Prince Maurice, they took Exeter on 4 September and Dartmonth on