1922 Republic of Central Lithuania general election March 1922 and two days later the Republic of Central Lithuania ceased to exist. All of its territory was incorporated into the newly formed Wilno Voivodeship. The border changes were accepted by the Conference of Ambassadors of the Entente and the League of Nations. Lithuania declined to accept the Polish authority over the area and continued to treat the region as part of its own territory and Vilnius as its legitimate capital, with Kaunas designated only as a temporary seat of government. The Polish–Lithuanian diplomatic relations were not restored until the Polish ultimatum to Lithuania in 1938. 1922 Republic of
National symbols of Lithuania Soviet occupation of Lithuania, the Lithuanian flag and the national anthem were replaced; the Lithuanian Coat of Arms was not shown in official capacities. On the other hand, in keeping with the Soviet policy of encouraging what were seen as harmless expressions of ethnic identity, Lithuanian national costumes were often featured on postal stamps and elsewhere. Lithuania was occupied by Soviet Union in 1940-1941, later it was controlled Nazi government during World War II and was a Soviet Socialist Republic from 1944 until 1990. The latter situation is generally seen by Lithuanians as an occupation. Public displays of both the