For the centennial series "100 Years of 100 Things," Jonathan Zimmerman, professor of history of education at the University of Pennsylvania and the author of several books, including Whose America? Culture Wars in the Public Schools (University of Chicago Press, September 2022), traces the history of the so-called "culture wars" in public education, from the Scopes trial, to religion in schools, sex ed and the controversies of today over critical race theory, masks during COVID and more.