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 The Troop joined with Japanese and American Scouts on September 24–25, 1949 in Tokyo for the first postwar All-Japan camp held by the Boy Scouts of Japan to celebrate the reorganization of the Japanese Scout association. The camporee was organized with the cooperation of the American occupation forces, who had formed their own Scout troops. It was held at Doolittle Field, now called Hibiya Koen, in Tokyo. The Boy Scouts of Japan were readmitted as a full member of the WOSM on June 30, 1950. In July the IBS joined the Kanagawa Scouts for a camporee to celebrate the Japanese