The word “tyrant” arose at the dawn of history and, according to scientists, is of Lydian or Phrygian origin. Translated, it means “lord.” Over the centuries, this concept has acquired a very broad meaning and today is most often used in a figurative meaning and implies rule based on despotism, and tyrants are rulers whose power is based on arbitrariness and violence, as well as cruel, powerful people, torturers. Among them are The heroes of this book are many statesmen and political figures. They are described in the sections “Tyrants-Reformers” and “Tyrants “Enlightened” and “Magnanimous””. Considering that many ministers of religion had a huge influence on world politics and the policies of individual states, an independent section “Usurpers of the Divine Plan” is dedicated to them. And finally, the section “Provincial Tyrants” tells about historical figures whose scale of activity was limited to small territories, but who killed many people due to the unlimited nature of their tyrannical power.