Scout Association of Hong Kong were in total 155 members in the first census. During World War I, many Scouting leaders served in the war, which limited Scouting in Hong Kong, but the 1st World Scout Jamboree between 30 July and 8 August 1920 revived Hong Kong Scouting. Lieutenant-Colonel F. J. Bowen returned to Hong Kong after the end of the war, and actively participated in the Movement. He became the Colony Commissioner in July 1920 and reorganised the Hong Kong Branch. At the end of 1920, membership was approximately 140 members. The reorganised branch held a Scout Rally at the Murray Parade Ground on
International Boy Scouts, Troop 1 International Boy Scouts, Troop 1 International Boy Scouts, Troop 1 was founded in 1911 as Japan's first Scout troop and, despite its early multinational character, was originally registered with the London headquarters of the Boy Scouts as "British Scouts in Foreign Countries", which was the only option at the time due to the Boy Scouts' "nationality requirement" and no international Boy Scout office. The troop's character, and Scoutmaster, changed and it was recognized as a mixed-nationality, or "international" troop in 1918. After formation of the World Scout Bureau, Troop 1 became the first "mixed nationality" group to be registered directly