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
History of Jerusalem during the Kingdom of Jerusalem between various principalities as alliances were formed and dissolved. Jerusalem lost its status as the capital and religious center, and became a provincial city in an empire whose center was often Damascus or Cairo. However, for the Crusaders it remained a focus for Christian–Muslim conflict. This combination of reduced geopolitical status and inter-religious strife brought devastation to the city during the Fifth Crusade. The Ayyubid ruler of Syria, Al-Mu'azzam, who until that time had been determined to rehabilitate fortifications and buildings in Jerusalem, decided to systematically destroy the Crusader fortifications in the Levant in general and Jerusalem in particular. The