Treaty of Union took effect on 1 May 1707. Queen Elizabeth I of England and Ireland, last monarch of the Tudor dynasty, died without issue on 24 March 1603, and the throne fell at once (and uncontroversially) to her first cousin twice removed, James VI of Scotland, a member of House of Stuart and the only son of Mary, Queen of Scots. By the Union of the Crowns in 1603 he assumed the throne of the Kingdom of England and the Kingdom of Ireland as King James I. This personal union lessened the constant English fears of Scottish cooperation with France in a
Tudor conquest of Ireland classes and develop a loyalty on their part to the new crown; to this end, they were granted English titles and for the first time admitted to the Irish parliament. One of the more important was the earldom of Tyrone, which was created for the Uí Néill dynasty in 1542. In a felicitous phrase, the king summed up his efforts at reform as "politic drifts and amiable persuasions". In practice, lords around Ireland accepted their new privileges but carried on as they had before. For the Irish Lordships the English monarch was but another overlord similar to that found in