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
Lord High Commissioner to the Parliament of Scotland Lord High Commissioner to the Parliament of Scotland The Lord High Commissioners to the Parliament of Scotland, sometimes referred to as the fifth estate of the Estates of Scotland, were the Scottish Sovereign's personal representative to the Parliament of Scotland following James VI of Scotland's accession to the throne of England and his becoming, in personal union, James I, the first Stuart king of England (see Union of the Crowns). The Lord High Commissioners were appointed from 1603 until 1707. The Act of Union 1707, which merged the Parliament of Scotland and the Parliament of England to create the Parliament