 Nyora kuenderera mberi kweiyi ndima - Muna Gumiguru 1939, Lithuania yakamanikidzwa kusaina Soviet-Lithuanian Mutual Assistance Treaty: mashanu emauto eSoviet ane mauto zviuru makumi maviri akagadzwa muLithuania mukutsinhana neVilnius, iyo maSoviet yakanga yatora kubva kuPoland. Vakanonoka neHondo yeZima neFinland, maSoviet akabudisa gwaro rokupedzisira kuLithuania musi wa 14 June 1940. Vaida kutsiviwa kwehurumende yeLithuania uye kuti Red Army ibvumirwe kupinda munyika yacho. Hurumende yakasarudza kuti, nemisasa yeSoviet yakanga yatova muLithuania, kurwisana nezvombo kwakanga kusingabviri uye yakagamuchira chikumbiro chokupedzisira. Purezidhendi Smetona akasiya nyika, achitarisira kuumba hurumende iri muutapwa, apo varwi veSoviet Red Army vanopfuura 200 000 vakayambuka muganhu weBelarus neLithuania. Zuva rakatevera racho, zvikumbiro zvakafanana zvakapiwa kuLatvia neEstonia. Nyika dzeBaltic dzakanga dzapambwa. VaSoviet vakatevera nzira dzakati kuti dzebumbiro remitemo yokushandura nyika dzakazvimirira kuva nyika dzeSoviet ndokuzvibatanidza muSoviet Union. 