The Jamboree-Indaba-Moot, known as JIM, was opened by Prince Henry, Duke of Gloucester on August 1, in the presence of some 30,000 members of the Scout brotherhood from 85 different parts of the world who camped at Sutton Park, and of the 17,000 other British Scouts in organized camps within a 15-mile radius. By some the twelve days were named "Jamborain". The closing talk was given by Olave, Lady Baden-Powell, on the night of August 12, alternately in English and French.