The article discusses the different views and opinions expressedontheworks of the great representatives of the 19th century Khorezm’s historiographyShermuhammad Munis and Muhammadriza Agahi “Firdaws al-iqbal”andtheeraofMuhammad Rahimkhan I. True and critical thoughts about this historical workandthe epoch of Muhammad Rahimkhan Iof such scholars comparedtoRussianscientists are compared V.V.Bartold, B.V.Lunin, P.Ivanov, fromUzbekK.Munirov,G.Karimov, S.Dolimov, Ya.Gulyamov, from Karakalpak M.Nurmuhamedov,S.Kamalov, N.Djapakov and come to certain conclusions.