20 July – 4 August 1996 was when it was held . Judoat the Games of the XXXI Olympiad was established on 1977 . The sport has the official site www.hardrock100.com . 3 events were there in Judoat the Games of the XXXI Olympiad . Central London, Surrey (road) were the venues of Judoat the Games of the XXXI Olympiad . 40 from 30 nations competed in Judoat the Games of the XXXI Olympiad
10 games were held in Judoat the Games of the XXXI Olympiad