Warren County Historical Society, 210 Fourth Ave., 8:30 a.m. to 4:30 p.m.
Wilder Museum, Irvine, open, 1-5 p.m.
Soup Kitchen, dinner and fellowship for all people, St. Joseph's Center, 4:30 to 5:30 p.m.
Exalt Teen Power Hour, First Church of the Nazarene, 907 Pennsylvania Ave. E., 7 p.m.
Warren Area Student Union, Hickory St., open, 3 to 6 p.m.
The Book Cellar, books for sale, basement, Warren Public Library, 5-7:30 p.m.
Warren County Composite Squadron of the Civil Air Patrol, Faith Fellowship Church, 7 to 9 p.m.
Warren Public Library, Market St., Warren, open, 10 a.m.-8 p.m.
Community lunch, free to the public, The Salvation Army, 311 Beech St., noon.
Pennsylvania Watercolor Society 34th Annual International Juried Exhibition, Crary Art Gallery, 511 Market St., Warren, 11 a.m.-5 p.m. (www.crarygallery.org)
Warren High School Class of 1951, men's breakfast, Perkins Restaurant, 8:30 a.m.
Warren High School Class of 1984, reunion planning meeting, Cornerstone, Pennsylvania Ave. E., Warren, 6:30 p.m.
Warren High School Class of 1958, lunch, Train Station, North Warren, 12:30 p.m.