The no. of events in sport was 18 . It was held in May 18–23 . 5 September 1971 is when Men's handballat the XXXI Olympiad was founded  . The official site of Men's handballat the XXXI Olympiad is www.hardrock100.com . 28 from 18 nations were the competitors in Men's handballat the XXXI Olympiad . The venue for Men's handballat the XXXI Olympiad was Fort Copacabana, Pontal (Road)
The sport Men's handballat the XXXI Olympiad has 29 contenders  from less than 6 nations