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 County School District All-County Musical, "The Little Mermaid," 7 p.m., Library Theatre.
Warren High School Class of 1947, lunch, Eagles Club, Pennsylvania Ave. E., Warren, 11:30 a.m.
"Parenting During Recovery" class, Forest-Warren Human Services, Hospital Dr., North Warren, 9:30 a.m.-noon (726-2100).
Warren Area High School Class of 1964, lunch, Conewango Club, Market St., Warren, noon.