The ethnic interpretation of history played a large part in the mental field of historical studies, especially from the mid-nineteenth century until the early twentieth century. Many philosophers and thinkers who had a great influence in this field, including Professor Gustav Le Bon, Intellectual and philosophical importance of this school of interpretation of the historical movement and movement, by relying on the origin of the races of peoples and nations, as well as the psychological and civilized grades of these nations and peoples, as well as reference to the different stages experienced by the peoples for their spiritual composition And civilization, which he called the formation of historic nations.