Haddam Historical Society, Connecticut is the historical society in Connecticut, United States of America.
According to PR-model, haddamhistory.org is ranked 1,032,567th in multilingual Wikipedia, in particular this website is ranked 579,565th in English Wikipedia.
The website is placed before stamfordlocalhistorysociety.org.uk and after thetravellingtom.com in the BestRef global ranking of the most important sources of Wikipedia.