Scout Association of Japan something of the "Kenjinsha", an old time youth movement. During this period homegrown Japanese troops began to develop and existed alongside expatriate troops in Yokohama, Kobe and Osaka. Hiroshi Koshiba started a Tokyo-based group in 1913. At the time of the coronation of the Taishō Emperor in 1915, Scouts were organized in Tokyo, Shizuoka, Kyoto and Hokkaido. In 1920 three delegates, Toyomatsu Shimoda, Hiroshi Koshiba, and Richard Suzuki, attended the 1st World Scout Jamboree at Olympia, London. Shimoda and Koshiba were both adults and, when they met Richard Suzuki aboard ship and learned he was a Scout, they invited him
The Scout Association Boy Scouts Association started branches itself in parts of British Empire. The Boy Scouts Association's "Headquarters" in London was renamed "Imperial Headquarters" (IHQ). The Boy Scouts International Bureau was formed in 1920 and became fully functional under the International Conference of the Boy Scout Movement in 1922. Subsequently, The Boy Scouts Association branches in the Dominions of Canada, Australia, New Zealand, Newfoundland, and South Africa were given the option of being "separately represented" with the Boy Scouts International Bureau, but chose instead to remain under IHQ control. Over time, many of the branches of The Scout Association became direct members