In his youth, and perhaps later, Cassius Clay — who went on to become one of the most significant and celebrated sports figures of the 20th century — spent time in Hopkinsville visiting relatives.
On the stroll, Keller recounted how local churches nursed wounded Confederate soldiers during the Civil War, "Night Riders" burned three tobacco warehouses in 1907, the Ku Klux Klan burned crosses at six intersections in 1924 and more.