Question: When did the former wife of Graf von Bismarck-Schönhausen donate a piece to the Smithsonian she purchased on her honeymoon with a different man?
Sentence (from "Mona von Bismarck"): Mona was the first American to be named "The Best Dressed Woman in the World" by a panel of top couturiers including Chanel, and was also named to the International Best Dressed List Hall of Fame.
Relevant evidence: No