Friday events:

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.

Wilder Museum, Irvine, open, 1-5 p.m.

Pennsylvania Watercolor Society 34th Annual International Juried Exhibition, Crary Art Gallery, 511 Market St., Warren, 11 a.m.-8 p.m.

Warren Players presents: “Chemical Imbalance: A Jekyll & Hyde Play,” Library Theatre, 8 p.m. (723-7231)

Haunted House & Trolley Tours, Warren County Historical Society, 210 Fourth Ave., Warren, 6-8:30 p.m. (trolley tickets are limited; or 723-1795).

Johnny Appleseed Festival, Sheffield (

Ladies Aid of Wiltsie Community Church selling baked goods, scrubbies, towels, rag rugs, Rada knives, jewelry and hand crafted items, Warren Mall (in the concourse by K-Mart), 9 a.m. to 8:30 p.m.