Year 1489 (MCDLXXXIX) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. Events of 1489 March 14 – The Queen of Cyprus, Catherine Cornaro, sells her kingdom to Venice. March 26 – The Treaty of Medina del Campo between England and Spain includes provision for a marriage between Arthur, the son of King Henry VII of England, and Princess Catherine of Aragon. November 29 – Arthur Tudor's named Prince of Wales. December 11 &nd… (More on 1489)