Mary, Queen of Scots discredited as "almost complete fantasy". Mary's courage at her execution helped establish her popular image as the heroic victim in a dramatic tragedy. Mary, Queen of Scots Mary, Queen of Scots (8 December 1542 – 8 February 1587), also known as Mary Stuart or Mary I of Scotland, reigned over Scotland from 14 December 1542 to 24 July 1567. Mary, the only surviving legitimate child of King James V, was six days old when her father died and she acceded to the throne. She spent most of her childhood in France while Scotland was ruled by regents, and in 1558,
Mary, Queen of Scots uncovered the Ridolfi Plot, which was a plan to replace Elizabeth with Mary with the help of Spanish troops and the Duke of Norfolk. Norfolk was executed, and the English Parliament introduced a bill barring Mary from the throne, to which Elizabeth refused to give royal assent. To discredit Mary, the casket letters were published in London. Plots centred on Mary continued. Pope Gregory XIII endorsed one plan in the latter half of the 1570s to marry her to the governor of the Low Countries and half-brother of Philip II of Spain, Don John of Austria, who was supposed to