Miss Piggy is finally getting the attention and recognition she desperately sought. On Tuesday, the glamorous, fame-seeking pig secured her place in history when she and some of puppeteer Jim Henson’s other creations were donated to the Smithsonian Institution.

Twenty-one of Henson’s puppets from “Sesame Street,” “The Muppet Show” and other projects – including Cookie Monster, Bert, Ernie, Fozzie Bear and the Swedish Chef – will join Miss Piggy’s longtime squeeze, Kermit the Frog, in the Jim Henson Collection at the Museum of American History on Washington’s National Mall.

Tuesday’s induction ceremony took place on what would have been Muppet creator Henson’s 77th birthday. Puppeteer Henson, the creative mind behind the long-running children’s shows “Sesame Street” and “The Muppet Show,” died in 1990. His wife and collaborator Jane Henson died in April....