Melbourne (since 1972),North Greenwich Arena (trampoline, artistic),Wembley Arena (rhythmic) were the venues of Gymnasticsat the Games of the XXX Olympiad . 5 September 1971 is when Gymnasticsat the Games of the XXX Olympiad was established  . 386 from 138 nations competed in Gymnasticsat the Games of the XXX Olympiad . It was held in 23 February . The no. of events in sport was 14
138 nations took part in Gymnasticsat the Games of the XXX Olympiad