Robert Baden-Powell, 1st Baron Baden-Powell phenomenon. A rally of Scouts was held at Crystal Palace in London in 1909, at which Baden-Powell met some of the first Girl Scouts. The Girl Guides were subsequently formed in 1910 under the auspices of Baden-Powell's sister, Agnes Baden-Powell. Baden-Powell's friend Juliette Gordon Low was encouraged by him to found the Girl Scouts of the USA. In 1920, the 1st World Scout Jamboree took place in Olympia in West Kensington, and Baden-Powell was acclaimed Chief Scout of the World. Baden-Powell was created a Baronet in 1921 and Baron Baden-Powell, of Gilwell, in the County of Essex, on 17 September
The Scout Association Boy Scouts Association started branches itself in parts of British Empire. The Boy Scouts Association's "Headquarters" in London was renamed "Imperial Headquarters" (IHQ). The Boy Scouts International Bureau was formed in 1920 and became fully functional under the International Conference of the Boy Scout Movement in 1922. Subsequently, The Boy Scouts Association branches in the Dominions of Canada, Australia, New Zealand, Newfoundland, and South Africa were given the option of being "separately represented" with the Boy Scouts International Bureau, but chose instead to remain under IHQ control. Over time, many of the branches of The Scout Association became direct members