The Russian nobility or dvoryanstvo arose in the Middle Ages. In 1914, it consisted of approximately 1,900,000 members, out of a total population of 138,200,000. Up until the February Revolution of 1917, the Russian noble estates staffed most of the Russian government and possessed a self-governing body, the Assembly of the Nobility.
An assembly of nobility at the time of Catherine the Great (reigned 1762 – 1796)