Charles II of England was queen of Scotland.
Charles II of England . He was king of Scotland from 1649 until his deposition in 1651 , and king of England , Scotland and Ireland from the restoration of the monarchy in 1660 until his death . In 1679 , Titus Oates 's revelations of a supposed `` Popish Plot '' sparked the Exclusion Crisis when it was revealed that Charles 's brother and heir ( James , Duke of York ) was a Catholic . The Exclusion Crisis ran from 1679 through 1681 in the reign of King Charles II of England , Scotland and Ireland . The Rye House Plot of 1683 was a plan to assassinate King Charles II of England and his brother ( and heir to the throne ) James , Duke of York .