Emperor Jimmu

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Tennō Jimmu detail 01.jpg
Emperor of Japan
Reign February 11, 660 BCE – April 9, 585 BCE (mythic)
Successor Suizei
Born February 13, 711 BCE (mythic)
Died April 9, 585 BCE (aged 126) (mythic)
Burial Unebi-yama no ushitora no sumi no misasagi (畝傍山東北陵?) (Kashihara, Nara) (mythic)
Spouse Ahiratsu-hime
Issue Tagishimimi-no-mikoto
Emperor Suizei
Father Ugayafukiaezu
Mother Tamayori-bime

Emperor Jimmu (神武天皇 Jinmu-tennō?) was the first Emperor of Japan, according to legend. His accession is traditionally dated as 660 BCE.[1][2] According to Japanese mythology, he is a descendant of the sun goddess Amaterasu, through her grandson Ninigi, as well as a descendant of the storm god Susanoo. He launched a military expedition from Hyuga near the Inland Sea, captured Yamato, and established this as his center of power. In modern Japan, Jimmu's accession is marked as National Foundation Day on February 11.

Name and title[edit]

Emperor Jimmu
Japanese name
Kanji 神武天皇

Jimmu is recorded as Japan's first ruler in two early chronicles, Kojiki (712) and Nihon Shoki (721).[3] Nihon Shoki gives the dates of his reign as 660 - 585 BC.[3] In the reign of Emperor Kanmu (737–806),[4] Ōmi no Mifune designated rulers before Ōjin as tennō (天皇?, "heavenly sovereign"), a Japanese pendant to the Chinese imperial title Tiān-dì (天帝). Prior to this time, these rulers had been known as sumera no mikoto/ōkimi. This practice had begun under Empress Suiko, and took root after the Taika Reforms with the ascendancy of the Nakatomi clan.[5] Jimmu's name, like those of several other legendary emperors, can also be found among the ruler names of the Korean kingdom of Silla, most likely sharing a common Chinese source name.[6]

According to the legendary account in the Kojiki, Emperor Jimmu was born on February 13, 711 BCE (the first day of the first month of the Chinese calendar), and died, again according to legend, on March 11, 585 BCE (both dates according to the lunisolar traditional Japanese calendar).

Both the Kojiki and the Nihon Shoki give Jimmu's name as Kamu-yamato Iware-biko no-mikoto (神倭伊波礼琵古命/神日本磐余彦尊?).[7] Iware indicates a toponym whose precise purport is unclear.

The Imperial House of Japan traditionally based its claim to the throne on its putative descent from the sun-goddess Amaterasu via Jimmu's great grandfather Ninigi.[8]

Legendary narrative[edit]

In Japanese mythology, the Age of the Gods is the period before Jimmu's accession.[9]

The story of Jimmu seems to rework legends associated with the Ōtomo clan, and its function was to establish that clan's links to the ruling family, just as those of Suijin arguably reflect Mononobe tales and the legends in Ōjin's chronicles seem to derive from Soga clan traditions.[10] Jimmu figures as a direct descendant of the sun goddess, Amaterasu via the side of his father, Ugayafukiaezu. Amaterasu had a son called Ame no Oshihomimi no Mikoto and through him a grandson named Ninigi-no-Mikoto. She sent her grandson to the Japanese islands where he eventually married Konohana-Sakuya-hime. Among their three sons was Hikohohodemi no Mikoto, also called Yamasachi-hiko, who married Toyotama-hime. She was the daughter of Ryūjin, the Japanese sea god. They had a single son called Hikonagisa Takeugaya Fukiaezu no Mikoto. The boy was abandoned by his parents at birth and consequently raised by Tamayori-hime, his mother's younger sister. They eventually married and had four sons. The last of these, Kan'yamato Iwarebiko, became Emperor Jimmu.[11]


Depiction of a bearded Jimmu with his emblematic long bow and an accompanying wild bird. This 19th century artwork is by Tsukioka Yoshitoshi.

According to the chronicles Kojiki and Nihon Shoki, Jimmu's brothers were born in Takachiho, the southern part of Kyūshū in modern-day Miyazaki prefecture. They moved eastward to find a location more appropriate for administering the entire country. Jimmu's older brother, Itsuse no Mikoto, originally led the migration, and led the clan eastward through the Seto Inland Sea with the assistance of local chieftain Sao Netsuhiko. As they reached Naniwa (modern day Ōsaka), they encountered another local chieftain, Nagasunehiko (lit. "the long-legged man"), and Itsuse was killed in the ensuing battle. Jimmu realized that they had been defeated because they battled eastward against the sun, so he decided to land on the east side of Kii Peninsula and to battle westward. They reached Kumano, and, with the guidance of a three-legged crow, Yatagarasu (lit. "eight-span crow"), they moved to Yamato. There, they once again battled Nagasunehiko and were victorious.

In Yamato, Nigihayahi no Mikoto, who also claim descent from the Takamagahara gods, was protected by Nagasunehiko. However, when Nigihayahi met Jimmu, he accepted Jimmu's legitimacy. At this point, Jimmu is said to have ascended to the throne of Japan.

According to the Kojiki, Jimmu died when he was 126 years old. This emperor's posthumous name literally means "divine might" or "god-warrior". It is undisputed that this identification is Chinese in form and Buddhist in implication, which suggests that the name must have been regularized centuries after the lifetime ascribed to Jimmu. It is generally thought that Jimmu's name and character evolved into their present shape just before[12] the time in which legends about the origins of the Yamato dynasty were chronicled in the Kojiki.[4]

Unebi Goryō, the mausoleum of Jimmu in Kashihara City, Nara Prefecture.

There are accounts written earlier than either Kojiki and Nihon Shoki that present an alternative version of the story. According to these accounts, Jimmu's dynasty was supplanted by that of Ōjin, whose dynasty was supplanted by that of Keitai.[13] The Kojiki and the Nihon Shoki then combined these three mythical dynasties into one long and continuous genealogy.

The traditional site of Jimmu's grave is near Unebiyama in Kashihara.[14]

Modern veneration[edit]

The inner prayer hall of Kashihara Shrine in Kashihara, Nara, the principal shrine devoted to Jimmu

Veneration of Jimmu was a central component of the imperial cult that formed following the Meiji restoration.[citation needed] In 1873, a holiday called Kigensetsu (紀元節?, "Era Day") was established on February 11.[15] The holiday commemorated the anniversary of Jimmu's ascension to the throne 2,532 years earlier.[16] Between 1873 and 1945 an imperial envoy sent offerings every year to Mount Unebi, the supposed site of Jimmu's tomb.[17]

In 1890 Kashihara Shrine was established nearby, on the spot where Jimmu was said to have ascended to the throne.[18]

Before and during World War II, expansionist propaganda made frequent use of the phrase hakkō ichiu, a term coined by Tanaka Chigaku based on a passage in the Nihon Shoki discussing Emperor Jimmu.[19] Some media incorrectly attributed the exact phrase to Emperor Jimmu.[20] For the 1940 Kigensetsu celebration, marking the supposed 2,600th anniversary of Jimmu's enthronement, the Peace Tower[21] was constructed in Miyazaki.[22][better source needed]

The same year numerous stone monuments relating to key events in Jimmu's life were erected around Japan. The sites at which these monuments were erected are known as "Emperor Jimmu Sacred Historical Sites".[23][better source needed] After World War II, the holiday was criticized as too closely associated with the "emperor system."[15] It was suspended from 1948 to 1966, but later reinstated as National Foundation Day.[15][24]

See also[edit]


  1. ^ Kelly, Charles F. "Kofun Culture," Japanese Archaeology. April 27, 2009.
  2. ^ Kitagawa, Joseph. (1987). On Understanding Japanese Religion, p. 145, p. 145, at Google Books; excerpt, "... emphasis on the undisrupted chronological continuity from myths to legends and from legends to history, it is difficult to determine where one ends and the next begins. At any rate, the first ten legendary emperors are clearly not reliable historical records."
    Boleslaw Szczesniak,'The Sumu-Sanu Myth. Notes and Remarks on the Jimmu Tenno Myth,' in Monumenta Nipponica, Vol. 10, No. 1/2 (1954), pp. 107-126.
  3. ^ a b "Jimmu", Japan: An Illustrated Encyclopedia (1993), Kodansha, ISBN 978-4069310980.
  4. ^ a b Aston, William. (1896). Nihongi, pp. 109–137.
  5. ^ Jacques H. Kamstra Encounter Or Syncretism: The Initial Growth of Japanese Buddhism, Brill 1967 pp.65-67.
  6. ^ Jacques H. Kamstra, Encounter Or Syncretism: The Initial Growth of Japanese Buddhism, Brill 1967 p.67.
  7. ^ 神倭伊波礼琵古命, OJ pronunciation: Kamu-Yamatö-ipare-biko (nö-mikötö) Donald Philippi, tr.Kojiki, University of Tokyo Press, 1969 p.488
  8. ^ Bob Tadashi Wakabayashi, [Japanese Loyalism Reconstrued: Yamagata Daini's Ryūshi Shinron of 1759,] University of Hawai'i Press, 1995 pp.106-7.
  9. ^ Nussbaum, "Jindai" at p. 421, p. 421, at Google Books.
  10. ^ Jacques H. Kamstra, Encounter Or Syncretism: The Initial Growth of Japanese Buddhism, Brill 1967 pp.69-70.
  11. ^ Nussbaum, "Chijin-godai" at p. 111, p. 111, at Google Books.
  12. ^ Kennedy, Malcolm D. A History of Japan. London. Weidenfeld and Nicholson, 1963.
  13. ^ Ooms, Herman. Imperial Politics and Symbolics in Ancient Japan: the Tenmu Dynasty, 650–800. Honolulu: University of Hawai'i Press, 2009
  14. ^ Imperial Household Agency (Kunaichō): 神武天皇 (1); retrieved August 22, 2013.
  15. ^ a b c "Kigensetsu Controversy", Japan: An Illustrated Encyclopedia (1993), Kodansha. ISBN 978-4069310980.
  16. ^ Britannica Kokusai Dai-Hyakkajiten article on "Kigensetsu".
  17. ^ Martin, Peter. (1997). The Chrysanthemum Throne: A History of the Emperors of Japan, p. 18-20.
  18. ^ Kashihara City website tourism page on "Kashihara Jingū".
  19. ^ Britannica Kokusai Dai-Hyakkajiten article on "Hakkō ichiu".
  20. ^ Dower, John W., War Without Mercy: Race & Power in the Pacific War, faber and faber, 1993 p.223.
  21. ^ Peace Tower (平和の塔 Heiwa no Tō?, originally called the "Hakkō Ichiu Tower" 八紘一宇の塔 Hakkō Ichiu no Tō or the "Pillar of Heaven and Earth" 八紘之基柱 Ametsuchi no Motohashira)
  22. ^ [1]
  23. ^ Ruoff, Kenneth. (2010). Imperial Japan at its Zenith: The Wartime Celebration of the Empire's 2,600th Anniversary, p. 186.
  24. ^ "Founding Day rekindles annual debate". The Japan Times. February 11, 1998. Retrieved May 24, 2014. 


External links[edit]

Emperor Jimmu
Born: 13 February 711 BCE Died: 9 April 585 BCE
Regnal titles
New creation Emperor of Japan
660–585 BCE
(traditional dates)
Succeeded by
Emperor Suizei