Amerigo Vespucci (1454-1512) Mar 9 Italian explorer (America), born in Florence Jul 14 Poliziano, Florentine humanist (d. 1494) Sep 4 Henry Stafford, 2nd Duke of Buckingham, English politician, born in Wales (d. 1483) Nov 25 Caterina Cornaro, Queen of Cyprus, born in Venice (d. 1510) 1453 Birthdays in History by Year 1455