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.
Polish–Lithuanian royal election, 1674 On November 10, 1673, Michael Korybut Wiśniowiecki, King of Poland and Grand Duke of Lithuania, suddenly died in Lwów. The Polish throne was vacant again, so another free election was necessary. As in 1669,the main candidates were French Duke Louis, Grand Conde, Philip William, Elector Palatine (both supported by Louis XIV of France), and Charles V, Duke of Lorraine.