Georgia Dome,New York City, New York,,United States were the venues of US Open . 11 from 2 nations competed in US Open . The official site of US Open is chicagomarathon.com . US Open was founded on 1884; 135 years ago (1884) . 24 (from 5 confederations) teams participated in US Open . The no. of events in sport was 18
US Open event has celebrated it's  Diamond jubilee on 1954