National Scout jamboree (Boy Scouts of America) National Scout jamboree (Boy Scouts of America) The national Scout jamboree is a gathering, or jamboree, of thousands of members of the Boy Scouts of America, usually held every four years and organized by the National Council of the Boy Scouts of America. Referred to as "the Jamboree", "Jambo", or NSJ, Scouts from all over the nation and world have the opportunity to attend. They are considered to be one of several unique experiences that the Boy Scouts of America offers. The first jamboree was scheduled to be held in 1935 in Washington, D.C. to celebrate the 25th anniversary of
1909 Crystal Palace Scout Rally and Boy Scouts from the British Boy Scouts, Church Scout Patrols and other Scouts not registered with what would become the Boy Scouts Association, leading to challenges regarding the 4th Scout Law that "A Scout is ... a brother to every other Scout". The Rally was a precursor to the later Scout Jamborees and World Scout Jamborees. The concept of the Scouts' Own, a simple, non-denominational religious ceremony, was also introduced by H. Geoffrey Elwes at this rally. Members of the local Scout Troop, 2nd Croydon (1st Crystal Palace Patrol), formed part of the flag party for Princess Christian, the