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
Azerbaijanis in Russia the Russian Empire conquering what is now Azerbaijan in the early nineteenth century and its incorporation into the Soviet Union in 1920, the Azeri population did not tend to leave its traditional areas of settlement until the second half of the twentieth century. However, isolated communities of Azeris in Russia can trace their existence to the mid-nineteenth century. The population of maritime Caspian regions has historically had strong economic ties with the city of Astrakhan on the northern Caspian shore. Starting in the 1830, Azeri merchants began settling in this city, with three of them controlling up to 80% of