RyÅhei Uchida, founder of the Black Dragon Society The KokuryÅ«kai was founded in 1901 by martial artist Uchida Ryohei as a successor to his mentor Mitsuru TÅyama's Gen'yÅsha.[1] Its name is derived from the translation of the Amur River, which is called Heilongjiang or "Black Dragon River" in Chinese (é»é¾æ±?), read as KokuryÅ«-kÅ in Japanese. Its public goal was to support efforts to keep the Russian
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