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 route, where he received a warm welcome from King John IV, the ruler of recently independent Portugal, who was a supporter of Charles II. Blake arrived shortly afterwards with a Parliamentary fleet, and an armed stand-off ensued. Tensions rose, skirmishes began to break out and King John became increasingly keen for his Royalist guests to leave. In October 1650, Rupert's fleet, now comprising six vessels, broke out and headed into the Mediterranean. Still pursued by Blake, the Royalist fleet manoeuvred up the Spanish coast, steadily losing vessels to their pursuers. The second phase of the campaign then began. Rupert crossed