“We are thrilled to accept the donation of these artifacts to the Newseum collection,” said Cathy Trost, who is the Newseum’s senior vice president of exhibits and programs, in a statement. “They are part of America’s cultural and media history, telling an important story about how political satire and news as humor made ‘The Daily Show’ a trusted news source for a generation.”

Stewart’s first episode of the show aired in 1999. In February, he announced he’d be retiring from the wildly popular satirical news show.

For more on the show, read Fortune’s look at some of the most memorable business moments.