The Book Cellar, books for sale, basement, Warren Public Library, 11 a.m.-2 p.m.
"Managing Anger in the Family," Forest-Warren Human Services, Hospital Dr., North Warren, 9 a.m.-noon (726-2100).
Wild Geometry Photographs of wildflowers by James Shirey, juxtaposed by Pete McCutchen's Geometrics photo series of Las Vegas architecture, Crary Art Gallery, 511 Market St., Warren, 11 a.m.-5 p.m. (www.crarygallery.org)
The annual Four Flags ceremony will be held at Heritage Point, Crescent Park, at the foot of the Hickory Street Bridge, at 10:45 a.m.
Tour de Russell Bike Race, sponsored by Warren County Chamber of Business & Industry and Council on Tourism, www.wccbi.org.
Gospel sing, Faith Fellowship Church of God, 208 Market St., Warren, 7 p.m.
Circle Eight Square Dance Club, auditorium, Warren State Hospital, 8-10:30 p.m.
ABATE, Alliance of Bikers Aimed Toward Education, Dan's Down Under, Youngsville, 1:30 p.m.
Jeff Burns Memorial Children's Fishing Contest sponsored by Farnsworth Trout Club, Clarendon, prizes, pop, everyone welcome, ages 1-15, Farnsworth Hatchery, 1-4 p.m. Register in person day of contest.