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
Russia in the Eurovision Song Contest 2015 in the final with the song "What If". In 2014, RTR selected Junior Eurovision Song Contest 2006 winners Tolmachevy Sisters who placed seventh in the final with the song "Shine". The Russian broadcaster for the 2015 Contest, who broadcast the event in Russia and organised the selection process for its entry, was Channel One Russia (C1R). Since 2008, the Russian participation in the contest alternates between C1R and Russia-1 (RTR); with C1R in charge for 2015. Russia has used various methods to select the Russian entry in the past, including national finals and internal selections. Since 2013, both Russian broadcasters