History of England by Oliver Cromwell, then scored decisive victories against Royalist armies in Ireland and Scotland. Cromwell was given the title Lord Protector in 1653, making him 'king in all but name' to his critics. After he died in 1658, his son Richard Cromwell succeeded him in the office but he was forced to abdicate within a year. For a while it seemed as if a new civil war would begin as the New Model Army split into factions. Troops stationed in Scotland under the command of George Monck eventually marched on London to restore order. The monarchy was restored in 1660,
Lord Protector forces of England, Scotland and Ireland, shall be, and is hereby declared to be, Lord Protector of the Commonwealth of England, Scotland and Ireland, and the dominions thereto belonging, for his life. The replacement constitution of 1657, the Humble Petition and Advice, gave "His Highness the Lord Protector" the power to nominate his successor. Cromwell chose his eldest surviving son, the politically inexperienced Richard. This was a non-representative and de facto dynastic mode of succession, with royal connotations in both styles awarded, (even a double invocation 16 December 1653 – 3 September 1658 "By the Grace of God and Republic