• Catoosa County Historical Society: Old Stone Church Museum, intersection of U.S. Highway 41 and Georgia Highway 2, Ringgold, Ga., 7 p.m., visitors welcome; Marvin Sowder of the Whitfield County Historical Society will speak on burial of soldiers killed during the Civil War. 706-866-3871.
• Chattanooga Herbies: Agricultural Center, 6183 Adamson Circle, 6:30 p.m., free and open to the public, program on uses of chamomile. 423-843-5093 or 423-875-9689.
• ElderScholars: UTC University Center, East Fifth Street on campus, 1 p.m. meeting in Lookout Mountain Room, free and open to any adult, program by local historian Joan Hill Hanks; optional noon lunch with other adult learners in University Center cafeteria, look for signs marking tables. 423-425-4363.
• Book signing: Barnes & Noble, Hamilton Place, 2-4 p.m., author Katherine Mitchell signs "Dr. Hickerup: The Hiccup Healing Man," illustrated by local artist Chelsea Spring; author will holding readings at 2:15 and 3 p.m., free coloring pages designed by the illustrator for children. 423-314-7585.