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 Scout association's readmission to the world Scout organization. John Mittwer, a founding member of the IBS as a boy, and an active IBS Scouter, was also serving on both the Board of the Kanagawa Council of the Boy Scouts of Japan and as a District Commissioner for the Boy Scouts of America's Far East Council. Helping to revive postwar Scouting, he was a key organizer of the event that again brought groups from the IBS, the BSJ, and the BSA Far East Council together for an "international" camp held in Yokohama at Sankeien, the private garden of Mr. Hara. Soon