When was the  sixteenth century King of Poland and Grand Duke of Lithuania died?
VI High School – King Sigismund Augustus VI High School – King Sigismund Augustus is a secondary school in the Bojary district of the city of Białystok in Poland. The school was founded in 1915 and its alumni include the inventor of Esperanto . The school is named after the sixteenth century King Sigismund II Augustus.
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.