Main Page | See live article | Alphabetical index Emperor Kōgen (孝元天皇) was the eighth imperial ruler of Japan to appear on the traditional list of emperors. 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: Korei List of Japanese Emperors Succeeded by: Kaika This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.