In March, he signed an executive order titled "Restoring Truth and Sanity to American History," which accused the Smithsonian of coming under the influence of a "divisive, race-centered ideology" and sought to remove what it described as "improper ideology" from the institution's museums.

The White House published a list of Smithsonian exhibits, programming and artwork it considered objectionable on Thursday, one week after announcing that eight of the institution’s museums must submit their current wall text and future exhibition plans for a comprehensive review.