Ukrainians in Russia include all the family of hetman Ivan Mazepa, A. Vojnarovsky, and those in Mazepa's Cossack forces that returned to Russia. Some were imprisoned in exile for the rest of their lives such as hetmanPavlo Polubotok, Pavlo Holovaty, P. Hloba and Petro Kalnyshevsky. Beginning in the 19th century, there was a continuous migration from Belarus, Ukraine and Northern Russia to settle the distant areas of the Russian Empire. The promise of free fertile land was an important factor for many peasants who until 1861, lived under Serfdom. In the colonization of the new lands, a significant contribution was made by ethnic
Polish minority in Russia Polish minority in Russia There are currently 73,000 Polish nationals living in the Russian Federation. This includes autochthonous Poles as well as those forcibly deported during and after World War II; the total number of Poles in what was the former Soviet Union is estimated at up to 3 million. Zainsk, Kazan governate, was originally a fort occupied by Chelny strelsty, archers and servicemen, and 81 Polish Cossask prisoners from Smolensk area after the Polish Lithuanian Commonwealth. In 1654 the Poles were taken from Polotsk, 141 people from the Polish small gentry were evacuated to Tiinsk together with the Cossacks,