Question: Sarah Josepha Buell Hale (October 24, 1788 – April 30, 1879) was an American writer and an influential editor, she's the author of the nursery rhyme "Mary Had a Little Lamb", the English language nursery rhyme of nineteenth-century of which nationality origin?
Sentence (from "Sarah Josepha Hale"): Hale famously campaigned for the creation of the American holiday known as Thanksgiving, and for the completion of the Bunker Hill Monument.
Relevant evidence: No