The territorial expansion of Russia began from 1500 with military conquest and by ideological and political unions in over five centuries until 1900. Expansion of Russia began from Khanate of Kazan in 1552 by Ivan the Terrible. In the late 18th century, Russia conquest Siberia. Territories from the Ottoman Empire and Poland took during the reign of Catherine the Great. Some of the other areas that add under the empire were Alaska, Eastern-Georgia, Azerbaijan, Armenia, Kazakhstan, Uzbekistan etc.
