A major reassessment of one of Britain's most strange and fascinating kings, James I of England and VI of Scotland James VI and I, who died 400 years ago, was one of Britain's most consequential and interesting monarchs, not least in creating the British monarchy itself by joining the English and Scottish thrones. A major intellectual, James's preoccupations ranged from witchcraft and theological controversy to hunting, diplomacy, poetry and sartorial fashion.