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 Union's foreign policy chief Federica Mogherini said that all governments of EU member states were united on the issue of Jerusalem, and also reaffirmed their commitment to a Palestinian State with East Jerusalem as its capital. Representatives from 32 countries were present at opening of the embassy, including EU members Austria, Czech Republic and Romania. Palestinian officials have said the announcement disqualifies the United States from peace talks, while Hamas called for a new intifada following Trump's declarations. Following the announcement there were demonstrations throughout the West Bank and Gaza Strip, as well as in Iran, Jordan, Tunisia, Somalia, Yemen,