About Tanaka Tosa
Lived 1820 – 1868 (aged 48). Tanaka Tosa was a Japanese samurai.
was a Japanese samurai of the Edo period who was a retainer of the Matsudaira clan of Aizu. He served as a karō in the Aizu administration, and fought in the Boshin War. Upon the entry of Imperial Japanese Army forces into the Tsuruga Castle town, he led an effort to halt their advance. Upon defeat, he followed fellow karō Jinbo Kuranosuke into a nearby doctor's house, and committed seppuku.
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Important facts
People in Tanaka Tosa's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Tanaka Tosa's
Frequently asked questions
Who was Tanaka Tosa?
Samuari who fought in the Boshin War
When was Tanaka Tosa born?
Tanaka Tosa was born on 7 September 1820.
When did Tanaka Tosa die?
Tanaka Tosa died on 8 October 1868 in Aizuwakamatsu.
What was Tanaka Tosa's occupation?
Tanaka Tosa was a samurai.
What nationality was Tanaka Tosa?
Tanaka Tosa was Japanese.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Tanaka Tosa. https://biography.guide/tanaka-tosa/
MLA: "Tanaka Tosa." Biography.guide, https://biography.guide/tanaka-tosa/.
Chicago: "Tanaka Tosa." Biography.guide. https://biography.guide/tanaka-tosa/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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