A fundamental account of the revolt led by the Cossack Hetman Mazepa at the beginning of the 18th century and of its impact on Ukrainian separatism in the 18th century.
Orest Subtelny (Ukrainian: О́рест Субте́льний) is a Canadian historian of Ukrainian origin. Born in Kraków, General Government in German-occupied Poland, he received his Ph.D. from Harvard University in 1973. Since 1982 he has been a professor in the departments of History and Political Science, York University, Toronto, Canada.