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
1909 Crystal Palace Scout Rally and Boy Scouts from the British Boy Scouts, Church Scout Patrols and other Scouts not registered with what would become the Boy Scouts Association, leading to challenges regarding the 4th Scout Law that "A Scout is ... a brother to every other Scout". The Rally was a precursor to the later Scout Jamborees and World Scout Jamborees. The concept of the Scouts' Own, a simple, non-denominational religious ceremony, was also introduced by H. Geoffrey Elwes at this rally. Members of the local Scout Troop, 2nd Croydon (1st Crystal Palace Patrol), formed part of the flag party for Princess Christian, the