Sep 9 Thomas de Ros, 9th Baron de Ros of Helmsley, English politician, born in Conisbrough Castle, Yorkshire (d. 1464) Oct 26 Sigismund, Archduke of Austria, born in Innsbruck, Austria (d. 1496) Nov 30 Casimir IV Jagiellon, King of Poland (1447-92), born in Kraków, Poland (d. 1492) 1425 Famous Birthdays by Year 1428 Famous Living People by Age 20-29 30-39 40-49 50-59 80-89 Over 90