A duma is a Russian assembly with advisory or legislative functions.
Building of Council of Labor and Defense, or "Gosduma" on Manezhnaya Square, Moscow
The Tsardom of Russia, also known as the Tsardom of Moscow, was the centralized Russian state from the assumption of the title of tsar by Ivan IV in 1547 until the foundation of the Russian Empire by
Duma
…the councils of boyars (but not to be confused with (boyar scions) which advised the prince on state matters during the times of Kievan Rus' and the Tsardom of Russia (then tsar). In 1711 Peter the Great transferred its functions to the Governing Senate. Contemporary sources always refer simply to "the boyars" or to…
Ivory throne of Ivan IV of Russia
Ivan the Great Bell Tower, raised to the present height during the reign of Boris Godunov
Mounted archers of Muscovy
The Apostle (1564) by Ivan Fyodorov and Pyotr Mstislavets, one of the first Russian printed books