. Greetings from Welt-Jamboree 1951, Bad Ischl, Austria On the occasion of the 7th World Jamboree, 12,844 scouts met in Bad Ischl from 3 to 13 August 1951, in the Salzkammergut in Austria. Greetings from Welt-Jamboree 1951, Bad Ischl, Austria History of the world Jamboree‘ s Since 1920, scouts from all over the world have met for their "peaceful meeting of all tribes". Here is a short explanation of what a jamboree is and an overview of all the jamborees since 1920. History of the world Jamboree‘ s . Print version of this page .