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 not identify as Poles or with Poland, and members of the communist party viewed themselves as Soviet citizens without any national sentiments. The Soviet Union also organized Polish units in the Red Army and a Polish Communist government-in-exile. There were 73,000 Polish nationals living in Russia according to the 2002 Russian Census. 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. The number of Polish speaking people in Russia was 47,125 in 2010. Polish