<page_title> List of Emperors of Japan </page_title> <section_title> Emperors of Japan </section_title> <table> <cell> 54 <col_header> No. </col_header> <col_header> Legendary Emperors (660 BC – 269 AD) </col_header> <col_header> Kofun period (269–539) </col_header> <col_header> Asuka period (539–710) </col_header> <col_header> Nara period (710–794) </col_header> <col_header> Heian period (794–1185) </col_header> </cell> <cell> 833–850 <col_header> Reign </col_header> <col_header> Legendary Emperors (660 BC – 269 AD) </col_header> <col_header> Kofun period (269–539) </col_header> <col_header> Asuka period (539–710) </col_header> <col_header> Nara period (710–794) </col_header> <col_header> Heian period (794–1185) </col_header> </cell> <cell> Emperor Ninmyō <col_header> Posthumous name </col_header> <col_header> Legendary Emperors (660 BC – 269 AD) </col_header> <col_header> Kofun period (269–539) </col_header> <col_header> Asuka period (539–710) </col_header> <col_header> Nara period (710–794) </col_header> <col_header> Heian period (794–1185) </col_header> </cell> <cell> Traditional dates <col_header> Notes </col_header> <col_header> Legendary Emperors (660 BC – 269 AD) </col_header> <col_header> Kofun period (269–539) </col_header> <col_header> Asuka period (539–710) </col_header> <col_header> Nara period (710–794) </col_header> <col_header> Heian period (794–1185) </col_header> </cell> </table>
Emperor Ninmyō was the 54th Emperor of Japan according to the traditional order of succession, reigning until 850.