article: Kōkoku
links: Shogun Kōei (era) Northern Court Muromachi period Jōwa (Muromachi period) Emperor Go-Murakami Nanboku-chō period Isaac Titsingh Kyoto Iwashimizu Hachiman-gū Shōhei Japanese era name Ryakuō Ashikaga Takauji Southern Court Engen