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.
Warren High School Class of 1947, lunch, Liberty Street Cafe, Warren, 11:30 a.m.
Warren Area High School Class of 1964, lunch, Conewango Club, Market St., Warren, noon.