The official site of Judoat the Games of the XXXI Olympiad is www.hardrock100.com . Central London, Surrey (road) were the venues of Judoat the Games of the XXXI Olympiad . The no. of events in sport was 3 . 20 July – 4 August 1996 was when it was held . 40 from 30 nations were the competitors in Judoat the Games of the XXXI Olympiad . 1977 is when Judoat the Games of the XXXI Olympiad was founded 
Judoat the Games of the XXXI Olympiad was held in Central London, Surrey (road)