In this study I focus on the possible intellectual background regarding the scant attention paid by researchers and textbook writers to the establishment of the Japanese national language and pre-WWII language policies in Japan. This fact is surprising because the successful implementation of a modern standard language was one of the key factors in the process of the building of Japan as a modern nation-state. The central hypothesis of this research is that this conspicuous absence stems from the projection of the modern nation-state on the past, resulting in a perception of Japanese polity as a basically homogeneous and unchanged continuum in time and space. An analysis of several texts by prominent Japanese scholars of the national langua...