“History of Military Art” by Professor Major General E.A. Razin is a unique publication that summarizes the experience of the history of wars from ancient times to the end of the Middle Ages. This volume of research by E.A. Razin, first published in 1957, covers the thousand-year period of the Middle Ages - from the 6th to the 16th centuries. The book examines in detail the military organization of the ancient Slavs and their first wars with the Eastern Roman Empire, the origin and development of European chivalry, the medieval military art of the Mongols and Arabs, the formation of the Russian centralized state in wars and the largest peasant wars of the Reformation era in Europe.