Duchy of Lithuania Duchy of Lithuania Duchy of Lithuania (; ) was a state-territorial formation of ethnic Lithuanians, that existed from the 13th century until 1413. Most of the time it was a constituent part and a nucleus of the Grand Duchy of Lithuania. Other alternative names of the territorial formation, used in different periods, were Aukštaitija or Land of Lithuania (13th century), Duchy of Vilnius (14th – early 15th centuries), Lithuania Propria or simply Lithuania (in a narrow sense). The formation emerged in the central and eastern part of the present-day Lithuania, known as Aukštaitija, as the Lietuva Land (). It is
Russians in Lithuania Russians in Lithuania Russians in Lithuania numbered 140,000 people, according to the Lithuanian estimates of 2015, or 4.8% of the total population of Lithuania. First early settlements of Ruthenians in what is now Lithuania date back to late medieval ages when the first proto-Russian merchants and craftsmen began to permanently reside in several Lithuanian towns. In the late 17th century they were joined by many Russian Old Believers who settled in eastern Lithuania, escaping religious persecution in Russia. The second, larger, influx of Russians followed the annexation of Lithuania by the Russian Empire during the Partitions of Poland in the