The no. of events in sport was 8 . Sydney Showground (rhythmic),Arena Olímpica do Rio,New York City, New York,,United States were the venues of Gymnasticsat the Games of the XXXI Olympiad . 12 (from 4 confederations) teams participated in Gymnasticsat the Games of the XXXI Olympiad . It was held in 2nd Sunday in August . 136 from 25 nations competed in Gymnasticsat the Games of the XXXI Olympiad . 1871; 148 years ago (1871) is when Gymnasticsat the Games of the XXXI Olympiad was founded 
Gymnasticsat the Games of the XXXI Olympiad was started on 1871; 148 years ago (1871)