About the book: 2012 / The monograph of Doctor of Historical Sciences Professor I.O. Knyazky is dedicated to the life and deeds of the Roman Emperor Tiberius. Tiberius became the third Caesar to receive supreme power, he is the second Augustus at the head of the Principate and the first legitimate ruler of the Roman Empire to legally inherit imperial power. An outstanding commander, a successful ruler of the empire and a ruthless tyrant (in the last years of his reign). It is not surprising that in historical science, for centuries, scientists have been arguing both about the personality of the emperor himself and about the significance of his reign. Based on a wide range of sources and research, the author analyzes the events of Tiberius’s long life in the context of a panorama of turbulent historical processes of that time, covering the period from the civil war in the Roman state after the death of Gaius Julius Caesar (42 BC) to the death of Tiberius in 37.