Domain or government of a Tsar. Official name of Russian State, from 1547 when Ivan IV took the title of Tsar, until 1721 when he assumed Peter the Great and began to call himself the Russian Empire. It was also called Zarato Muscovite. Name of the Kingdom of Poland between 1815 and 1831 when Alexander I and Nicholas I ruled. It can also mean mud, mud, swamp, mud, silt, silt.
State governed by tsars as the Russian tsardom, official name of the Russian State from the Czar Iván IV in the 16th century to Pedro I the great in the 18th, although this name, derived from the latin ( Caesar ) continued to exist in popular language. The tsardom was an absolute monarchy, as the Tsar controlled the political power, economic and religious. Starting with Pedro I the great renamed only by the Empire.
