The Battle of Marston Moor on July 2nd 1644 was one of the most important of the entire English Civil War. It was here that a force of some 27,000 Parliamentarian and Scottish troops routed an army of just 18,000 Royalists. Crucially the Royalist stronghold of York was lost and King Charles I cause in the north virtually collapsed. It was a defeat from which the King would never recover. Featuring spectacular battle reconstruction footage and dramatised eye-witness accounts. This history documentary tells the powerful story of one of English history's greatest military engagements.