The collection dedicated to the 60th anniversary of the birth of Valery Stepankov, Doctor of Historical Sciences, Professor of Kamenetz-Podolsk State University, discusses a wide range of issues on the ancient and modern history of Ukraine. The main focus is on highlighting the problems of the history of the Ukrainian Cossacks and the formation of state institutions of the Zaporizhzhya Army, the international activities of the hetman governments of Ukraine, nation-formation in the era of early modern times, and the like. The articles are built on a solid source base and reflect the current state of research in the national historical process.