President Donald Trump has signed an executive order directing the installation of temporary exhibits and warning signs outside the Smithsonian's National Museum of American History, saying they will correct what his administration describes as "inaccurate information" presented inside the museum. Read More on NewsThe move is the latest step in Trump's wider effort to reshape how American history is presented at federally supported museums and cultural institutions. The report singled out several displays inside the National Museum of American History. July 4, 2026: The Domestic Policy Council released Saving America's Story, accusing Smithsonian leadership of ideological bias and recommending major changes to museum exhibits and messaging. July 24, 2026: Trump signed the latest executive order requiring warning signs and temporary exhibits outside the National Museum of American History to counter what the administration says is inaccurate historical information presented inside the museum.