Temporary capital of Lithuania during the invasion of Poland, to Lithuania according to the Soviet–Lithuanian Mutual Assistance Treaty. Since then Vilnius has been the capital of the Lithuanian SSR and then independent Lithuania. Lithuania refused to have diplomatic relations between Poland and Lithuania until the ultimatum of 1938. Railroad traffic, telegraph lines or even mail could not cross the Polish–Lithuanian border. Lithuania continued to declare Vilnius as its capital in all official documents, including the constitution. Since the city was controlled by Poland, all Lithuanian authorities were transferred to the city of Kaunas, which became the seat of the government. To reconcile reality with
National symbols of Lithuania destined for the ruler and the state of Lithuania, let it be: the iron wolf means a castle and a town which will be established by the ruler on this site. The town will be the capital of the Lithuanian lands and the dwelling of rulers and the glory of their deeds shall echo throughout the world". Mindaugas was the first king of Lithuania, crowned in 1253. The Columns of Gediminas have been dated to the 14th century. They were often drawn on walls and fences as protest against the Soviet occupation. EuroBasket 2011, which will be held in Lithuania,