Warren County Historical Society, 210 Fourth Ave., 8:30 a.m. to 4:30 p.m.
Warren Public Library, Market St., Warren, open, 10 a.m.-5 p.m.
Community lunch, free to the public, The Salvation Army, 311 Beech St., noon.
"Parenting During Recovery" class, Forest-Warren Human Services, Hospital Dr., North Warren, 9:30 a.m.-noon (726-2100)
Warren High School Class of 1947, lunch, Moose Club, Pennsylvania Ave. W., Warren, 11:30 a.m.
"Nostalgia Revisited," classically detailed paintings of contemporary decay and decline by Corning, N.Y., painter David Higgins, AND "Interbeing," watercolor paintings and drawings by Jan Lutz, Crary Art Gallery, 511 Market St., Warren, 11 a.m.-8 p.m. www.crarygallery.org
Winterfest, Chapman State Park (www.warrencountywinterfest.com).