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
United States recognition of Jerusalem as capital of Israel of the Great March of Return protests. Multiple camps of Palestinians engaged in protest along the fenceline of the Gaza Strip as part of this effort in late March 2018, demanding the right of Palestinian refugees and their descendants to return to their former homes in Israel, and an end to the blockade of the Gaza Strip, as well as rejecting recognition of Jerusalem as Israel's capital. The opening of the US embassy in Jerusalem on May 14 coincided with a major escalation of the protests, resulting in the death of 64 protesters on that day. On December 6, 2017,