The monograph attempted a modern analysis of the main events in Ukraine of the revolutionary era (1917-1920) in conjunction with the justification in the historical literature of recent years of the concepts of the Great Russian and Ukrainian national democratic revolutions, as well as taking into account other historiographic approaches and interpretations, their assessments. The organic interconnection of the defining aspects of social struggle and national liberation aspirations, the transformation of the revolutionary content of mass large-scale actions into the factors of the Civil War, intertwining, the logical relationship of the components of social processes, transformations at the all-Russian and regional levels are scientifically confirmed.