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
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