Play Mark Twain’s “Memory-Builder,” His Game for Remembering Historical Facts & Dates — openculture.com

Mark Twain wrote The Adventures of Tom Sawyer, The Adventures of Huckleberry Finn, and A Connecticut Yankee in King Arthur’s Court, of course, but like any good luminary of 19th-century America, he also put together a few inventions on the side. These non-literary achievements of Twain’s included an “Improvement in Adjustable and Detachable Straps for Garments” (as the patent calls it) meant to replace suspenders, a “self-pasting” scrapbook“, and the “Memory-Builder, a game for acquiring and retaining all sorts of facts and dates.”

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