136 from 25 nations competed in Gymnasticsat the Games of the XXIII Olympiad . The sport has the official site chicagomarathon.com . It was held in 12 August . 8 events were there in Gymnasticsat the Games of the XXIII Olympiad . 16 (from 6 confederations) teams competed in Gymnasticsat the Games of the XXIII Olympiad . Gymnasticsat the Games of the XXIII Olympiad was founded on 5 September 1971 . 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
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