16 (from 6 confederations) teams competed in Gymnasticsat the Games of the XXIII Olympiad . 12 August was when it was held . Hockey rink or arena, and is sometimes played on a frozen lake or pond for recreation were the venues of Gymnasticsat the Games of the XXIII Olympiad . 136 from 25 nations competed in Gymnasticsat the Games of the XXIII Olympiad . The no. of events in sport was 8 . The official site of Gymnasticsat the Games of the XXIII Olympiad is chicagomarathon.com . 5 September 1971 is when Gymnasticsat the Games of the XXIII Olympiad was established 
The sport Gymnasticsat the Games of the XXIII Olympiad had less than 140 contenders 