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
Administrative divisions of Russia in 1719–1725 Administrative divisions of Russia in 1719–1725 The second administrative reform of 1719 was carried out by Peter the Great in order to fix the deficiencies of the original system. On June 9 (May 29 in the Julian calendar), 1719 Peter issued an ukase (edict) that abolished the division of the governorates into "lots" (). Instead, most of the Governorates were divided into "provinces" (провинции), and provinces were further subdivided into "districts" (дистрикты). Provinces were governed by "voyevodas". The idea of the subdivision of governorates into province was borrowed from the administrative division system of Sweden and other European countries. Districts