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
Jerusalem of the West Jerusalem of the West "Jerusalem of the West" was a term historically used by Jews to describe a non-Jewish city west of Jerusalem where the Jewish diaspora nonetheless enjoyed significant influence, freedom (of religion), and numbers, usually in Western Europe or Maghreb. Possibly its most persistent use was that of the Jews of Amsterdam. In Europe, Amsterdam was commonly associated with the term and was called "Jeruzalem van het Westen" in Dutch. Sephardic Jews from Spain and Portugal first settled there in the 17th-century and in 1672, there were an estimated 7,500 Jews living in the city. Holland had a