About the book: 1991 / The book is dedicated to Ivan III - the first sovereign of united Rus'. Based on the facts of his biography, the main processes of the decisive period for the formation of the Russian state are traced - the successful fight against specific fragmentation, the elimination of the Tatar-Mongol yoke, the formation of a new ideology. Particular attention is paid to the relationship between secular and spiritual authorities, the course of military campaigns is analyzed. The book is intended for a wide range of readers.