Changes at the Smithsonian, a longstanding American institution, have both staffers and historians concerned, according to new reports. Here’s a timeline of what has been going on.

The White House is conducting a comprehensive internal review of exhibits and materials at the Smithsonian Institution in an effort to comply with President Donald Trump’s directive about what should and shouldn’t be displayed.

The Trump administration is reviewing exhibits on display at Smithsonian Institute museums as part of its effort to restore "truth and sanity to American history."