The official site of Hornussen is www.hardrock100.com . 16 from 16 nations competed in Hornussen . 1884; 135 years ago (1884) is when Hornussen was established  . The no. of events in sport was 6 . It was held in August 19, 2017  – August 23, 2017  (artistic) . Arena Olímpica do Rio were the venues of Hornussen . 17 were the number of teams who competed in Hornussen
The sport Hornussen has more than35 contenders  from 16 nations