(center), future generalissimo of
Republic of China Chiang Kai-shek, commander-in-chief of the NRA (right), and others in 1927 when National Revolutionary Army launched Northern Expedition,
Chiang Kai-shek required Tōyama and his friend in Japanese government give support to National Revolutionary Army. Tōyama was both a founder and one-time head of the
Black Dragon Society. Immediately prior to the start of the
First Sino-Japanese War, Tōyama organized the
Tenyukyo, a secret society and
paramilitary force that operated in
Korea prior to the arrival of the
Imperial Japanese Army, making detailed topographic maps, scouting out Chinese and Korean military installations and deployment, and arranging for logistic support. Along with
Genyosha operatives in Korea and Manchuria, the
Tenyukyo provided interpreters and guides to the regular Japanese army after their invasion. Tōyama was a strong supporter of Japanese control over
Manchuria and joined forces with the anti-Russian
Tairo Doshikai movement in 1903. He also supported the Chinese republican revolutionaries against the
Qing dynasty and gave considerable support to
Sun Yat-sen. When the
1911 Revolution occurred, he went to China in person as an advisor and to personally oversee Genyosha activities and to provide assistance to Sun Yat-sen. Following the 1911 Revolution, Tōyama officially retired, and apparently refused to play an active role in the
Black Dragon Society (
Kokuryu-Kai) that he helped create as a successor to the
Genyosha. He remained an influential behind-the-scenes figure in Japanese politics during the following years. == Influence in nationalist Japan ==