Lord Protector or otherwise unable to rule. Notable cases in England are: and in Scotland: The Lord Protector of the Commonwealth of England, Scotland and Ireland was the title of the head of state during the Commonwealth (or, to monarchists, the Interregnum), following the first period when a Council of State held executive power. The title was held by Oliver Cromwell (December 1653 – September 1658) and subsequently his son and designated successor Richard Cromwell (September 1658 – May 1659) during what is now known as The Protectorate. The 1653 Instrument of Government (republican constitution) stated that— Oliver Cromwell, Captain-General of the
Scotland in the Wars of the Three Kingdoms Scotland in the Wars of the Three Kingdoms Between 1639 and 1653, Scotland was involved in the Wars of the Three Kingdoms, a series of wars starting with the Bishops Wars (between Scotland and England), the Irish Rebellion of 1641, the English Civil War (and its extension in Scotland), the Irish Confederate Wars, and finally the subjugation of Ireland and Scotland by the English Roundhead New Model Army. In Scotland itself, from 1644–45 a Scottish civil war was fought between Scottish Royalists—supporters of Charles I under James Graham, 1st Marquis of Montrose—and the Covenanters, who had controlled Scotland since 1639