Shogun was the title of the military dictators of Japan during most of the period spanning from 1185 to 1868. Nominally appointed by the Emperor, shoguns were usually the de facto rulers of the country, though during part of the Kamakura period shoguns were themselves figureheads. The office of shogun was in practice hereditary, though over the course of the history of Japan several different clans held the position. This skin was describing about the power of the Imperial Japanese Empire.