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.
"Maps," large scale abstract paintings on tarpaulin, based on natural rhythms and forces by Minnesota artist Robert Patrick, AND "Roots and Tendrils," intimately scaled acrylic paintings on paper by Warren artist and author Reg Darling, Crary Art Gallery, 11 a.m.-8 p.m. Reading by Reg Darling, 6-8 p.m. on Feb. 28. (www.crarygallery.org)
American Veterans Post 113 will host a spaghetti dinner from 4 to 7 p.m. at Saint Anthony's Church in Tionesta. Take-outs will be available.