Union of the Crowns create a new "imperial" throne of "Great Britain". England and Scotland continued as autonomous states sharing a monarch with Ireland (with an interregnum in the 1650s during the republican unitary state of the Commonwealth and the Protectorate), until the Acts of Union of 1707 during the reign of the last Stuart monarch, Anne. In August 1503, James IV of Scotland married Margaret, eldest daughter of Henry VII of England, and the spirit of the new age was celebrated by the poet William Dunbar in "The Thrissil and the Rois". The marriage was the outcome of the Treaty of Perpetual Peace,
Acts of Union 1707 the wealth increasing" and in particular that Glasgow had become one of the greatest cities of Britain. A commemorative two-pound coin was issued to mark the tercentennial—300th anniversary—of the Union, which occurred two days before the Scottish Parliament general election on 3 May 2007. The Scottish Executive held a number of commemorative events through the year including an education project led by the Royal Commission on the Ancient and Historical Monuments of Scotland, an exhibition of Union-related objects and documents at the National Museums of Scotland and an exhibition of portraits of people associated with the Union at the National