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
Doping in Russia If they have opened these bottles to help their athletes, what is to stop them also opening them to tamper with samples from any athlete in the competition?" Biathlon teams from the Czech Republic and Great Britain decided to boycott a 2016–17 Biathlon World Cup stage in Tyumen. On 22 December 2016, Russia announced it would not host the World Cup event or the 2017 Biathlon Junior World Championships in Ostrov. The same day, the International Skating Union decided to relocate a speed skating event, the 2016–17 ISU Speed Skating World Cup stage in Chelyabinsk, due to "a substantial amount