Sigismund II Augustus
Sigismund II Augustus was King of Poland and Grand Duke of Lithuania, the son of Sigismund I the Old, whom Sigismund II succeeded in 1548. He was the first ruler of the Polish–Lithuanian Commonwealth and the last male monarch from the Jagiellonian dynasty.
1 August 1520
Born on the same birth day (1 August): Augusta Read Thomas • Bob Frankford • Bodene Thompson • David Brand • David James (footballer, born 1970) • David Nemirovsky • Elton Jantjies • Eric Shipton • Jack Shea (director) • James St. James • Jean-Baptiste Lamarck • Jerry Garcia • Lionel Bart • Marcia Mae Jones • Park Si-eun (entertainer) • Richard Henry Dana Jr. • Stuart Holden • Todd Bouman
Born in the same month (August 1520): Madeleine of Valois