Friedrich Max Müller, the German Orientalist and philologist, published and proposed a new grouping of the non-Aryan and non-Semitic Asian languages in 1855. In his work "The Languages of the Seat of War in the East", he called these languages "Turanian". Müller divided this group into two subgroups, the Southern Division, and the Northern Division. In the long run, his evolutionist theory about languages' structural development, tying growing grammatical refinement to socio-economic development, and grouping languages into 'antediluvian', 'familial', 'nomadic', and 'political' developmental stages, proved unsound, but his Northern Division was renamed and re-classed as the Ural-Altaic languages. Nonetheless, his terminology stuck, and the terms 'Turanian peoples' and 'Turanian languages' became parts of common parlance.