The Duchy of Lithuania was a state-territorial formation of ethnic Lithuanians that existed from the 13th century to 1413. For most of its existence, it was a constituent part and a nucleus of the Gra

The Kingdom of Lithuania was a sovereign state that existed from 17 July 1251 until the death of the first crowned king of Lithuania, Mindaugas, on 12 September 1263. Mindaugas was the only Lithuanian