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.
Mayflower House Museum The Mayflower House Museum is an 18th-century period historic house museum in Plymouth, Massachusetts operated by The Mayflower Society, also known as the General Society of "Mayflower" Descendants. The Society purchased the Edward Winslow House in 1941.