Peter III of Russia created the Imperial Council on May 20, 1762 ("Императорский Совет"), or, formally "The Council at the Highest Court" ("Совет при высочайшем дворе"). It was dismissed shortly after the succession of Catherine II of Russia.
1810-1917
The State Council was established by Alexander I of Russia in 1810 as part of Speransky's reforms. Although envisaged by Speransky as the upper chamber of the Russian parliament, it was actually an advisory organ composed of people whom the tsar could trust.