Grand Duchy of Lithuania also re-established the permanent capital of the Grand Duchy in Vilnius, presumably moving it from Trakai in 1323; some researchers, such as Maciej Stryjkowski, claim that Navahrudak was the capital of the 13th century state. Lithuania was in an ideal position to inherit the western and the southern parts of Kievan Rus'. While almost every other state around it had been plundered or defeated by the Mongols, the hordes stopped at the modern borders of Belarus, and the core territory of the Grand Duchy was left mostly untouched. The weak control of the Mongols over the areas they had conquered
History of the Jews in Lithuania the lands between the Baltic and Black Seas that would become part of the Grand Duchy of Lithuania. The later and much larger stream of immigration originated in the 12th century and received an impetus from the persecution of the German Jews by the Crusaders. The traditional language of the vast majority of Jews of Lithuania, Yiddish, is based largely upon the Medieval German spoken by the western Germanic Jewish immigrants. The peculiar conditions that prevailed in Lithuania compelled the first Jewish settlers to adopt a different mode of life from that followed by their western co-religionists. In Lithuania of