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Byakko-tai statues

Statue of a Byakkotai warriors at Iimori Hill, Aizu-Wakamatsu, Fukushima Prefecture, Japan.

The Byakkotai (白虎隊?, lit. "White Tiger Force") was a group of around 305[1] young, teenage, samurai of the Aizu domain, who fought in the Boshin War (1868–1869).


Byakkotai was part of Aizu's four-unit military, set up in the domain's drive to finalize its military modernization, in the wake of the Battle of Toba-Fushimi.[2] The other three units were Genbutai,[3] Seiryūtai,[4] and Suzakutai.[5][6] Each of the four was named after the protecting gods of compass directions. Byakkotai was meant to be a reserve unit, as it was composed of the young, 16 to 17 year old sons of Aizu samurai.[7] It was subdivided further, along the lines of rank within the domain's samurai population: two squads were from the upper (shichū) rank, two from the middle rank (yoriai), and two from the lowest (ashigaru).[8] Twenty of the members of the 2nd shichū squad, cut off from the rest of their unit in the wake of the Battle of Tonoguchihara,[9] retreated to Iimori Hill, which overlooked the castle town. From there, they saw what they thought was the castle on fire, and committed seppuku (with one failed attempt) in desperation, believing their lord and families dead.[10] However these 20 Byakkotai members were mistaken in their assessment of defeat, as the castle defenses had not actually been breached; the castle town surrounding the inner citadel was aflame. As the majority of the town was between Iimori Hill and the castle, the boys saw the rising smoke and assumed that the castle itself had fallen.[10]

The 19 Byakkotai members who committed suicide were the following:[11]

  • Adachi Tōzaburō
  • Ishiyama Toranosuke
  • Shinoda Gisaburō (acting commander)
  • Nagase Yūji
  • Mase Genshichirō
  • Aruga Orinosuke[12]
  • Itō Teijirō
  • Suzuki Genkichi
  • Nishikawa Katsutarō
  • Yanase Katsuzaburō
  • Ikegami Shintarō
  • Itō Toshihiko
  • Tsuda Sutezō
  • Nomura Komashirō
  • Yanase Takeji
  • Ishida Wasuke
  • Ibuka Shigetarō
  • Tsugawa Kiyomi
  • Hayashi Yasoji

The sole survivor, Iinuma Sadakichi, attempted suicide but was unsuccessful. He was saved by a local peasant. After the war, he moved to the nearby city of Sendai, and lived there until his death. He also served as an officer in the army (retiring with the rank of captain) and as an official of the local post office in Sendai.[13]

After the war, their bodies remained exposed to the elements until permission was finally granted by the imperial government to bury them. A memorial was later erected at Iimori Hill, and all 20 of the Byakkotai members named above are buried there.[14] A stone bearing a poem by Matsudaira Katamori also stands at the site:

幾人の 涙は石にそそぐとも その名は世々に 朽じとぞ思う

Ikutari no namida wa ishi ni sosogu tomo sono na wa yoyo ni kuji to zo omou

"No matter how many people wash the stones with their tears, these names will never vanish from the world."[15]

The rest of the Byakkotai continued to fight over the course of the Battle of Aizu, with many of the members contributing to the defense of the castle.[16] Many Byakkotai members survived the war.[17] Two of them who went on to prominent roles during the Meiji Era were the physicist and historian Dr. Yamakawa Kenjirō and the Imperial Japanese Navy admiral Dewa Shigetō.

Benito Mussolini and the ByakkotaiEdit

The Italian fascist dictator Benito Mussolini heard of the story of the Byakkotai members who committed suicide, and was deeply impressed by their loyalty to their lord.[18] In 1928, he donated a column from Pompeii to be erected by the graves at Iimori Hill; this column remains there to the present day.

Depictions in MediaEdit

The Byakkotai have been the topic of many plays, books, films, and TV series. One notable TV depiction was produced in 1986; another, more recently, was the 2007 TV drama, which starred Yamashita Tomohisa, Tanaka Koki and Fujigaya Taisuke. Yamashita portrayed another Byakkotai survivor, Sakai Mineji.[19]

The Byakkotai are featured as a unit exclusive to the Aizu clan in Total War: Shogun 2: Fall of the Samurai.


  1. Nakamura, p. 30. Approx. 305 as per Nakamura's addition of the numbers in the 5 sub-units of Byakkotai.
  2. Noguchi, Aizu-han, pp. 169-170.
  3. Made up of men 50 years and older, tasked with city patrol in Wakamatsu and reserve duty
  4. Made up of men 36 to 49 years old, tasked with border patrol
  5. Made up of 18 to 35 year old men, tasked with "actual" combat
  6. Name readings as per Noguchi, p. 170; unit data as per Nakamura, pp. 23-25.
  7. Noguchi, p. 169
  8. Noguchi, p. 170; as per Nakamura, p. 30, the numbers in each subdivision were: Shichu 1: 37 Shichu 2: 37 Yoriai 1: 98 Yoriai 2: 62 Ashigaru: 71
  9. Yamakawa, Aizu Boshin Senshi, pp. 521-522.
  10. 10.0 10.1 Yamakawa, Aizu Boshin Senshi, p. 522.
  11. Yamakawa, Hoshū Aizu Byakkotai Jūkyūshi-den, p. 1
  12. Name reading as per Yamakawa, Hoshū Aizu Byakkotai Jūkyūshi-den, p. 3
  13. Yamakawa, Hoshū Aizu Byakkotai jūkyūshi-den, p. 28
  14. Including Iinuma, who was initially buried in Sendai but whose hair and teeth were reinterred at Iimori Hill in 1958. See
  15. (Japanese)
  16. Yamakawa, Aizu Boshin Senshi, pp. 608-610
  17. Nakamura, p. 199. probably over 80% of members survived
  18. Yamakawa, Hoshū Aizu Byakkotai jūkyūshi-den, p. 4
  19. Mineji was in the same unit as the Byakkotai boys who committed suicide. See Yamakawa, Hoshū Aizu Byakkotai Jūkyūshi-den, p. 111. A statue of the real Mineji can be seen at Iimori Hill. See


  • Nakamura Akihiko (2001). Byakkotai. Tokyo: Bunshun-shinsho.
  • Noguchi Shin'ichi (2005). Aizu-han. Tokyo: Gendai Shokan.
  • Yamakawa Kenjirō (1933). Aizu Boshin Senshi. Tokyo: Aizu Boshin Senshi Hensankai.
  • Yamakawa Kenjirō; Munekawa Toraji (1926). Hoshū Aizu Byakkotai jūkyūshi-den. Wakamatsu: Aizu Chōrei Gikai.

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