The legacy of Kievan Rus is claimed by two states - Ukraine and Russia. During the time of the Empire and the USSR, it was determined that Russia was the first and almost the only successor to Rus. With the restoration of independence for 30 years, this idea continues to spread by Russian scientists. Ukrainians, for them, are a nation that emerges in the 15-16 centuries. How do Ukrainian historians protect their heritage? What is the reaction to the restoration of the historical component of our history - the Rus Kingdom, which until recent years was represented by the mythical "Galicia-Volyn principality"?