US Open was founded on 1884; 135 years ago (1884) . 11 from 2 nations competed in US Open . The official site of US Open is chicagomarathon.com . 24 (from 5 confederations) were the number of teams who competed in US Open . The venue for US Open was Georgia Dome,New York City, New York,,United States . The no. of events in sport was 18
US Open saw a competition between 29 teams 