History of the Puritans under King Charles I that Independents were encouraged to join the New Model Army. Cromwell had thus created a situation where the Presbyterians dominated the Long Parliament, but the Independents dominated the New Model Army. At the Battle of Naseby on 16 June 1645, the New Model Army achieved a decisive victory over royalist forces. A number of subsequent battles were needed to finally defeat the royalist forces. In May 1646, Charles surrendered himself over to Scottish forces at Southwell, Nottinghamshire. So, to summarize the situation as we move into 1647: On the one hand, you have the leaders of the Long Parliament and
Commander-in-Chief of the Forces this title. In 1650, Fairfax resigned his post shortly before the Scottish campaign of the War. Oliver Cromwell, Fairfax's Lieutenant-General, succeeded him as Commander-in-chief of the Forces. Under Cromwell, the Commander-in-Chief was de facto head of state, especially after the dismissal of the Long Parliament. Cromwell held the office until 1653 when he was elected Lord Protector. On 21st February 1660, the reconstituted Long Parliament resolved "that General George Monck be constituted and appointed Captain-General and Commander in Chief, under Parliament, of all the Land-Forces of England, Scotland and Ireland". After Moncks's death, the post (which gave the holder significant