Famous Birthdays May 19 Isabella d'Este, Marquise of Mantua, born in Ferrara, Duchy of Ferrara (d. 1539) Famous Deaths May 9 Peter van Hagenbach, Elzasser knight & land guardian, beheaded at 54 1473 History by Year 1475 Famous People Who Were.. Abolitionists Dictators Explorers Outlaws Queens Spies