When James VI of Scotland succeeded Elizabeth as James I on the throne of England in 1603, the Stuarts became the first dynasty to rule Britain as a whole. The problems that James and his successors encountered in reconciling their kingdoms led to tensions and revolts in Scotland, Ireland and England itself, leading to the Civil War under Charles I between 1642 and 1646 and to the king's subsequent execution. While Charles II, restored after Cromwell's...