Main Page | See live article | Alphabetical index Emperor Seimu (成務天皇) was the 13th imperial ruler of Japan. No firm date can be assigned to this emperor and he is regarded by historians as a "legendary emperor". This does not necessarily imply that no such person ever existed, just that there is insufficient material to assign him to a historical period. Preceded by: Keiko List of Japanese Emperors Succeeded by: Chuai This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.