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
Time in Russia its time zone from MSK+1 to MSK. The change occurred during DST effectively changing the offset from UTC+5 to UTC+4, the offset without DST was therefore changed from UTC+4 to UTC+3. On 26 March 1989, the following changes were introduced, which, in particular, some oblasts switched to Moscow Time (thus eliminating Samara Time; MSK+1 or UTC+4 without DST): Some oblasts switched from Moscow Time to Eastern European Time: Russia and most republics in the Soviet Union abolished the decree time (not moving the clocks) on 31 March 1991, but Russia reversed this the following year (except Samara Oblast which was