The first Boy Scout troop is organized in England by Robert Baden-Powell in 1908.

The Boy Scout movement began in the early 20th century, shaped largely by the ideas of British Army officer Robert Baden-Powell. After gaining fame during the Siege of Mafeking in the Second Boer War, Baden-Powell noticed that many young soldiers lacked basic skills in observation, self-reliance, and preparedness. His 1899 military manual Aids to Scouting unexpectedly found a young civilian audience, inspiring him to rewrite its principles for boys. This shift laid the foundation for an entirely new youth movement. In 1907, Baden-Powell tested his ideas by running an experimental camp on Brownsea Island off the southern coast of England. Twenty boys from different social backgrounds attended, participating in activities focused on teamwork, outdoor skills, and moral development. The success of this camp encouraged Baden-Powell to formalize his approach, leading to the 1908 publication of Scouting for Boys. Released in serial form, the book quickly spread across Britain, inspiring youth groups to form spontaneously even before an official organization existed. By 1910, the movement expanded globally. The Boy Scouts Association was formally established in the United Kingdom, and similar organizations emerged abroad, including the Boy Scouts of America. Countries adapted the program to their own cultures, but the underlying ethos—character building, outdoor adventure, and service—remained consistent. As scouting grew, it developed uniforms, badges, and a structured system of ranks, helping unify participants around shared values and experiences. Throughout the 20th century, the Boy Scout movement continued evolving in response to social change. It expanded opportunities for older youth, introduced co-ed programs in many regions, and broadened its badge system to include modern skills alongside traditional outdoor activities. Despite occasional controversies and challenges, the movement remains influential worldwide, preserving its core mission: helping young people grow into capable, responsible citizens through practical learning and community engagement.