In which year was the historic house and museum that the Maine Historical Society operates from designated as a National Historic Landmark?
Maine Historical Society The Maine Historical Society is the official state historical society of Maine. It is located at 489 Congress Street in downtown Portland. The Society currently operates the Wadsworth-Longfellow House, a National Historic Landmark, Longfellow Garden, the Maine Historical Society Museum and Store, the Brown Research Library, as well as the Maine Memory Network, an online database of documents and images that includes resources from many of state's local historical societies.
McCobb–Hill–Minott House The McCobb–Hill–Minott House is a historic house at 44 Parker Head Road in Phippsburg, Maine. Built in 1774, it is a high quality example of late Georgian architecture, notable for its architecture and its prominent residents, who included Mark Langdon Hill, Maine's first United States Congressman. The house is now the 1774 Inn, and was listed on the National Register of Historic Places in 1977.