The reign of the three emperors Alexander 1, Nicholas I and Alexander II. Each of them tried to solve the problems that had arisen in the country in his own way. Alexander I instructed Arakcheev to develop a project for the abolition of serfdom and intended to create a constitution, Nicholas I tried to strengthen the autocracy, and Alexander II abolished serfdom. The military campaigns of Alexander I, the war of 1812, the Decembrist uprising and much more are described in this book.