Emperor Sujin (崇神天皇 Sujin Tennō) was the tenth 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. His Imperial Majesty, Emperor Akihito of Japan The Emperor of Japan (天皇, tennō) is Japans titular head of state and the head of the Japanese imperial family. ... His Imperial Majesty, Emperor Akihito of Japan The Emperor of Japan (天皇, tennō) is Japans titular head of state and the head of the Japanese imperial family. ...

According to Kojiki and Nihonshoki he was the second son of Emperor Kaika. He founded some important shrines in Yamato province, sent generals to subdue local provinces and defeated a prince who rebelled against him. Kojiki or Furukotofumi (古事記) is the oldest known historical book about the ancient history of Japan. ... Nihonshoki (日本書紀) is the second oldest history book about the ancient history of Japan. ... Emperor Kaika (開化天皇 Kaika Tennō) is the ninth imperial ruler of Japan to appear on the traditional list of emperors. ... Yamato (大和) is a province of Japan, which covers area of present Nara Prefecture. ...

Some historians identify him with the Emperor Jimmu and consider that the legend attributed to Jimmu was originally based on the life of Sujin. Other scholars assume his legend reflected the switching of dynasties and powers in Yamato province. Meiji era print of Emperor Jimmu The legendary tomb of Emperor Jimmu, Nara Emperor Jimmu, also spelled Jinmu (神武天皇 Jinmu Tennō; given name: Kamuyamato Iwarebiko, January 1, 711 BCE–March 11, 585 BCE) was the mythical founder of Japan and its first emperor. ...