Haddam Genealogical Site - Early history, geography, landmarks, churches and other research information provided. First Congregational Church of Haddam - Pastor's message, calendar, sermons plus information on education and church services. Higganum Congregational Church - Information on church staff, activities, worship and church school. Haddam Historical Society - News, events and information on research, collections, education and the Thankful Arnold House. The Haddam Neck Congregational Church - Vintage and contemporary photos, church overview, upcoming events and contact information. Company G, Fourteenth Regiment Connecticut Volunteer Infantry - U.S. Civil War re-enactment group shares its schedule of appearances and information on membership.