Lithuania–Russia relations in Suvalkija, to the Soviet sphere of influence. The exchange of territories was also motivated by Soviet control of Vilnius: the Soviet Union could exert significant influence on the Lithuanian government, which claimed Vilnius to be its "de jure" capital. In the secret protocols, both Soviet Union and Germany explicitly recognized Lithuanian interest in Vilnius. Accordingly, by the Soviet–Lithuanian Mutual Assistance Treaty of October 10, 1939, Lithuania would acquire about one fifth of the Vilnius Region, including Lithuania's historical capital, Vilnius, and in exchange would allow five Soviet military bases with 20,000 troops to be established across Lithuania. After months
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