The idea of ​ ​ this book arose in a strange place - in the cave city of Chufut-Kale, in the Crimea. In front of the mausoleum of Janike? khanum, daughter of Khan Golden Horde Tokhtamysh, king of Russia. Yes, this status was obvious for contemporaries and, of course, for Grand Duke Dmitry Donskoy. What, in fact, was the "Russian kingdom"? What are its roots, "sources and components" of the autocratic idea? Initially, the legitimacy of the Grand Duke of Moscow was based solely on the Khan label. Janike-khanum knew this. But how did it turn out? And what does that mean for us? Naturally, the study does not pretend to be the finality of the answers and the comprehensiveness of the conclusions, the topic is too multifaceted. Autocratic myth is in demand too to this day...