March 6, 1460 Treaty of Alcacovas-Portugal gives Castile Canary Is for W Africa April 4, 1460 University of Basle in Swizerland forms April 8, 1460 Ponce de Leon, Spain, searched for fountain of youth, found Florida May 9, 1460 Court yard episcopal palace Atrecht has witch burnings May 9, 1460 Jean Lavite, Atrechts painter, dies July 10, 1460 Wars of Roses: Richard of York defeats King Henry VI at Northampton November 13, 1460 Henry the Navigator, prince of Portugal, dies at 66