1810s in Japan

Emperor of Japan from 1780 to 1817

emperor of Japan (1800-1846)

was a after Kyōwa and before Bunsei. The period spanned the years from January 1804 to April 1818. The reigning emperors were and .

was a after Bunka and before Tenpō. This period spanned the years from April 1818 through December 1830. The reigning emperor was .

empress consort of Emperor Kōkaku; daughter of emperor Go-Momozono