When was the  sixteenth century King of Poland and Grand Duke of Lithuania died?
Sigismund II Augustus Sigismund II Augustus (Polish: "Zygmunt II August" , Ruthenian: "Żygimont II Awgust", Lithuanian: "Žygimantas II Augustas" , German: "Sigismund II. 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. Married three times, the last of the Jagiellons remained childless, and through the Union of Lublin introduced a free elective monarchy.
Livonian campaign of Stephen Báthory The Livonian campaign of Stephen Báthory (referred to as the Russo-Polish War among Polish historians) took place in the final stage of the Livonian War, between 1577 and 1582. Polish-Lithuanian forces led by Stephen Báthory (Batory), king of Poland and Grand Duke of Lithuania, successfully fought against the army of Ivan IV "the Terrible", tsar of Russia, over the Duchy of Livonia and Polotsk. Russian forces were expelled from Livonia before the campaign was concluded by the Truce of Jam Zapolski.