1st World Scout Jamboree 1st World Scout Jamboree The 1st World Scout Jamboree was held from 30 July 1920 to 8 August 1920 and was hosted by the United Kingdom at Kensington Olympia in London. 8,000 Scouts from 34 nations attended the event, which was hosted in a glass-roofed building covering an area of . It was at this event that Baden-Powell, the founder of Scouting, was acclaimed the Chief Scout of the World. The organizing secretary was A.G. Wade. The Olympia arena was filled with a foot-(30 cm)-deep layer of earth, which was turfed over, enabling the Scouts to pitch tents within the
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