Events around town Friday:
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.
Music in the Park presented by Northwest Savings Bank, "Church Street Blues," Soldiers & Sailors Park, Hickory
St. at Pennsylvania Ave. W., 8-10 p.m., weather permitting (www.cityofwarrenpa.gov).
BFF, Bring a Friend Friday at the Warren County YMCA for land and water fitness, open swim and gym.