It was also the stage for some big upheavals in Japanese history, for example, when Takauji ASHIKAGA raised his army in Shinomura (now Shino-cho in Kameoka city) at the end of the Kamakura period, and in the Azuchi-momoyama period, when Mitsuhide AKECHI, the lord of Kameyama Castle, probably following such an example, started the Incident at Honno-ji.
そして篠村（亀岡市篠町）では、鎌倉時代末期には足利尊氏が挙兵し、安土桃山時代にも亀山城(丹波国)主の明智光秀が本能寺の変へと向う際にそれに倣ったとされるなど、時代変革の舞台ともなった。