In which year was the historic house and museum that the Maine Historical Society operates from designated as a National Historic Landmark?
Wadsworth-Longfellow House The Wadsworth-Longfellow House is a historic house and museum in Portland, Maine, United States. It is located at 489 Congress Street and is operated by the Maine Historical Society. It was designated a National Historic Landmark in 1962, and administratively added to the National Register of Historic Places in 1966. The house is open daily to public from May through October (half days on Sundays). An admission fee is charged.
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.