The Daoguang Emperor (Chinese: 道光帝; pinyin: Dàoguāng Dì; Wade–Giles: Tao4-kuang1 Ti4; Manchu: ᡩᠣᡵᠣ ᡝᠯᡩᡝᠩᡤᡝ, Doro Eldengge Hūwangdi; Mongolian: ᠲᠥᠷᠥ ᠭᠡᠷᠡᠯᠲᠦ, Төр Гэрэлт Хаан; 16 September 1782 – 25 February 1850) was the eighth emperor of the Manchu Qing dynasty and the sixth Qing emperor to rule over China, from 1820 to 1850.