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): Abdullah of Saudi Arabia • Andrew Melville • Anthony G. Bosco • David Gemmell • Dennis Lawrence • Emperor Kōgon • Geoffrey Holder • Grant Wooden • John Beck (cricketer) • Joseph Sua'ali'i • Lorna Goodison • Mrunal Thakur • Pancho Villa (boxer) • Ramblin' Jack Elliott • Taylor Negron • Tiffany Young • William Clark • Zoran Đinđić

Born in the same month (August 1520): Madeleine of Valois