The 2016 Mencken Memorial Lecture: "Joint Transmission: The Friendship of H. L. Mencken and Blanche Knopf" presented by Laura Claridge, author of The Lady with the Borzoi: Blanche Knopf, Literary Tastemaker Extraordinaire. Book sales and signing immediately following the program. Maryland Historical Society, 201 West Monument Street, 2 p.m.