The exhibition ''Everything passes but this will remain forever...'', dedicated to the history of interrelations of the Golden Horde, Russia and the Ottoman Empire from the 13th until the beginning of the 20th century, opened on 14 July in the Museum of the history of statehood of Tatarstan in the Kazan Kremlin. The exhibition celebrates the 525 anniversary of establishment of interstate relations between Russia and Turkey. The exposition uses the materials of the State Archives of the Republic of Tatarstan, the Ottoman archive of the Prime Minister of the Turkish Republic, the Russian state archive of ancient acts, the National library of the Republic of Tatarstan, Scientific library named after N. I. Lobachevsky, the Institute of Archaeology named after A. K. Khalikov of the Tatarstan Academy of Sciences and the National Museum of the Republic of Tatarstan.