About Shigeki Oka
Lived 1878 – 1959 (aged 80–81). Shigeki Oka was an American military personnel and journalist.
was an issei socialist, printer, and newspaper publisher.
Biography Oka was born in Kōchi Prefecture, the former feudal domain of Tosa. He was employed at the Yorozu choho (Complete Morning Report), where he became friends with anarchist Kotoku Shusui, Sakai Toshihiko, and Kinoshita Naoe.
In 1902, Oka Shigeki immigrated to America, where he became head of the San Francisco branch of the Heimin-sha (Society of Commoners). He helped Kotoku Shusui make contact with American socialists, and anarchists during his stay in America. Before Kotoku returned to Japan, Oka gave advice to Kotoku on how to start a revolution in Japan.
During World War II, following the signing of Executive Order 9066, Oka was interned at Heart Mountain Internment Camp.
Naoki Oka is Shigeki Oka's brother.
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Important facts
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Contemporaries
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Frequently asked questions
Who was Shigeki Oka?
American journalist
When was Shigeki Oka born?
Shigeki Oka was born in 1878 in Kōchi Prefecture.
When did Shigeki Oka die?
Shigeki Oka died in 1959.
What was Shigeki Oka's occupation?
Shigeki Oka was a military personnel and journalist.
What nationality was Shigeki Oka?
Shigeki Oka was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Shigeki Oka. https://biography.guide/shigeki-oka/
MLA: "Shigeki Oka." Biography.guide, https://biography.guide/shigeki-oka/.
Chicago: "Shigeki Oka." Biography.guide. https://biography.guide/shigeki-oka/.
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