President Donald Trump has directed the Smithsonian’s National Museum of American History to post warning signs outside its exhibits, accusing the institution of presenting “inaccurate information” about U.S. history. The executive order, issued Friday, requires signs on public walkways leading to the museum, alerting visitors to alleged distortions and directing them to “accurate” historical resources.

White House Report Sparks Museum Dispute

The order follows a July 4 White House report that concluded the Smithsonian “cannot be trusted to tell America’s story honestly.” Trump’s directive claims the museum’s leadership uses history as a “prime tool” to advance “social justice” and “radical transformation,” rather than celebrating a “shared national inheritance.”

Smithsonian Secretary Lonnie Bunch disputed the characterization, telling NBC News the museum’s work is “driven by scholarship, accuracy, and an uncompromising commitment to tell the fullness of America’s story.” The order tasks Interior Secretary Doug Burgum with installing the signs, which will also correct perceived inaccuracies in exhibits.

Broader Federal History Policy Under Trump

This move is part of a wider effort by the Trump administration to reshape how American history is presented on federal lands. A 2025 executive order mandated reviews of all National Park Service (NPS) materials to remove content deemed “inherently racist, sexist, or oppressive.”

  • Topics flagged for review: Native American history, slavery, climate crisis, Black history, and civil rights
  • George Washington’s Philadelphia home saw its slavery memorial removed, sparking a lawsuit
  • NPS later reinstalled informational panels, though critics say they downplay slavery’s role

The military has also faced ideological restrictions. Defense Secretary Pete Hegseth barred official resources for Black History Month, Women’s History Month, and Asian American and Pacific Islander Heritage Month, while banning instruction on Critical Race Theory, DEI, or “gender ideology.” Base school libraries removed hundreds of books under the policy before a federal judge overturned the order in October 2025.

Legal Challenges and Next Steps

The Smithsonian has not publicly announced how it will respond to the warning sign mandate. Previous Trump administration history policies have faced lawsuits, including Philadelphia’s challenge over the slavery memorial at Washington’s home. Observers expect similar legal action if the signs are installed, with courts likely to weigh free speech concerns against federal oversight of public institutions.

What happens next: Watch for potential lawsuits from the Smithsonian or advocacy groups, as well as further federal policy shifts ahead of the 2026 midterms.