<P> The Russian Empire ( also known as Imperial Russia , Tsarist Russia and Pre-revolutionary Russia ) was an empire that existed from 1721 until proclamation of the Republic by the Provisional Government that took power after the February Revolution of 1917 . </P>
<P> The Russian Empire ( also known as Imperial Russia , Tsarist Russia and Pre-revolutionary Russia ) was an empire that existed from 1721 until proclamation of the Republic by the Provisional Government that took power after the February Revolution of 1917 . </P>
when did the russian empire start and end
when did the russian empire start and end
from 1721 until proclamation of the Republic by the Provisional Government that took power after the February Revolution of 1917
from 1721 until proclamation of the Republic by the Provisional Government that took power after the February Revolution of 1917