| In the nineteenth century, the Caucasus and Central Asia were places of untrammeled brigandage and intermittent rebellion, marked by the rule of unpredictable kings and khans. |
| The title was also used of Tatar khans, Biblical kings, and of various rulers in folk genres. |
| The three khans were subject to the Khakhan, but were generally resentful in their relations with him. |
| An ample reference section at the end of the book contains lists of rulers including emperors, ecclesiastics, caliphs, khans, and kings of Serbia. |
| Their princes, or khans, made capital and court at Karabalghasun on the River Orkhon in present-day Mongolia. |
| For the first time in Bulgaria, archaeologists have excavated a grave of a Proto-Bulgarian aristocrat from the age of the khans. |
