1. Svetovni skavtski zlet je potekal od 30. julija 1920 do 8. avgusta 1920. Gostilo ga je Združeno kraljestvo pri Kensington Olympii v Londonu. 8000 Skavtov iz 34 držav se je udeležilo dogodka, ki ga je gostila stavba s stekleno streho, ki je pokrivala območje 6 hektarjev (24.000 m2).

Na tem zletu je Baden-Powell, ustanovitelj skavtstva, bil priznan kot glavni poglavar svetovnega skavtskega gibanja.

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The 1st World Scout Jamboree was held from 30 July 1920 to 8 August 1920 and was hosted by the United Kingdom at Kensington Olympia in London. 8,000 Scouts from 34 nations attended the event, which was hosted in a glass-roofed building covering an area of 6 acres (24,000 m2).

It was at this event that Baden-Powell, the founder of Scouting, was acclaimed the Chief Scout of the World.