Interior Department Details Signage Plan for National Museum of American History

The Interior Department has outlined its intentions for 12 signs slated for installation outside the National Museum of American History in Washington, D.C., according to a letter described by The New York Times. The correspondence specified what the department hoped the signage would convey at the Smithsonian institution. The plan places the proposed signs at the museum, which is part of the Smithsonian network and sits on the National Mall. The letter, reported on September 16, 2026, represents a formal step in the Trump administration's effort to shape messaging at the federally linked museum. Details of the sign content were conveyed through the Interior Department's written communication rather than announced independently. The National Museum of American History is a Smithsonian museum, while the Interior Department is a federal agency whose responsibilities include national parks and public lands. The letter did not, as described, extend beyond the 12 signs and their intended messages. No installation date, final design, or budget for the signage was included in the available account. The report was published by The New York Times.