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
History of the Jews in Lithuania "kahals" were not successful. The impoverished Jewish merchants, having no capital of their own, were compelled to borrow money from the nobility, from churches, congregations, monasteries, and various religious orders. Loans from the latter were usually for an unlimited period and were secured by mortgages on the real estate of the "kahal". The "kahals" thus became hopelessly indebted to the clergy and the nobility. In 1792 the Jewish population of Lithuania was estimated at 250,000 (as compared with 120,000 in 1569). The whole of the commerce and industries of Lithuania, now rapidly declining, was in the hands of the Jews.