28 from 28 nations competed in Judoat the Games of the XXX Olympiad . The official site of Judoat the Games of the XXX Olympiad is www.hardrock100.com . 1–12 August was when it was held . 5 September 1971 is when Judoat the Games of the XXX Olympiad was founded  . Wembley Arena (rhythmic),Pauley Pavilion,ExCeL Exhibition Centre were the venues of Judoat the Games of the XXX Olympiad . The no. of events in sport was 6 . 16 (from 6 confederations) were the number of teams who competed in Judoat the Games of the XXX Olympiad
12 events were held in Judoat the Games of the XXX Olympiad