The article covers the history of preparation and publication of the first grammars of the languages of peoples of the Ural and Volga region - textbooks for the Chuvash, Udmurt, and Mari languages. The books were published in 1769 and 1775 in St. Petersburg, in the printing house of the Academy of Sciences. The author of the article, relying on facts, thinks that the books were discussed and prepared for publishing in Kunstkamera. You should pay attention to important points. Kazan, since the time of the first Saint gurius, has become a center of spiritual enlightenment, especially for the non-Russian peoples of the Volga region.