1938 Polish ultimatum to Lithuania three agreements covering rail transit, mail service, and river navigation had been concluded. The railroad, torn apart for several kilometers at the border, was repaired. A customs post was established in Vievis, and consulates were opened in Klaipėda and Vilnius. Lithuania closed the League for the Liberation of Vilnius and the Vilnius Foundation; the latter organization had given financial support to Lithuanian activities in the Vilnius Region. Nevertheless, Lithuania continued to claim Vilnius as its "de jure" capital. In May 1938 a new constitution was adopted, which echoed the previous constitution's statement that Vilnius was the permanent capital of Lithuania
Lithuania Minor was found which indicated that in 1990, the Soviet leadership was prepared to negotiate the return of Kaliningrad to Germany against payment. The proposal was declined by German diplomats. After the dissolution of the Soviet Union, the Kaliningrad Oblast has become an exclave of Russia. Lithuania, Germany, and Poland lay no official claims to the region at this time. Of the portion of Lithuania Minor that is currently in Poland, Gołdap, (), the seat of Gołdap County, is the largest municipality of the region within the Polish state, making it the de-facto capital of Polish Lithuania Minor. Unlike the area