When was the  sixteenth century King of Poland and Grand Duke of Lithuania died?
VI High School – King Sigismund Augustus:  The school is named after the sixteenth century King Sigismund II Augustus. Sigismund II Augustus: Sigismund II Augustus (Polish: "Zygmunt II August" , Ruthenian: "Żygimont II Awgust", Lithuanian: "Žygimantas II Augustas" , German: "Sigismund II. Sigismund II Augustus:  August" ) (1 August 1520 – 7 July 1572) was the King of Poland and Grand Duke of Lithuania, the only son of Sigismund I the Old, whom Sigismund II succeeded in 1548.
7 July 1572