"The Promise of a Nation: Commemorating 250 Years of Patriotism, Resilience, and Aspirations from the National Collection" is a nonfiction book published by the Smithsonian Institution Scholarly Press. This hardcover book, with a publication year of 2026, delves into the history and political science of the United States, specifically focusing on themes of political freedom and American government. Authored by the Smithsonian Institution, the book spans 348 pages and is a commemorative tribute to the country's 250-year history of patriotism and resilience.