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.
Warren High School Class of 1947, lunch, Cable Hollow Restaurant, 11:30 a.m.
Sheffield Fireman's Festival, midway opens, ride-a-rama, 6 p.m.; music by disc jockey, 6 p.m.; special drawing for $100, 10 p.m.; drawing for bicycles.
Music in the Park presented by Northwest Savings Bank, "Fire and Ice (Papalia & Eisert)," Soldiers & Sailors Park, Hickory St. at Pennsylvania Ave. W., 8-10 p.m., weather permitting
Chautauqua Squares, dance, senior center in Falconer, N.Y., 8 p.m.