Hour-long docent-led tour of the library’s early American history collection, along with a chance to view a new exhibit, Who Counts? A History of Voting in America, a display of ballot boxes, campaign pins, pre-printed party tickets, banners, and other electioneering ephemera. 4–5 p.m., 909 South University. Free, preregistration required at clements.umich.edu. (734) 649–3370.