9 a.m.-6 p.m., Columbus Replica Ships, Alton Marina, 1 Henry St., Alton. Features replicas of the "Nina" and "Pinta." $7 adults, $6 seniors, $5 children, free to children four and under. www.thenina.com.
3 p.m., DuQuoin State Fair, DuQuoin. Carnival midway opens at 3 p.m., music by Keith Anderson and South 70 at 7:30 p.m.
7-8:30 p.m., Karla Smith Foundation support group, Peace Chapel, 10101 W. Main St., Belleville. For family and friends of anyone with mental health problems. www.KarlaSmithFoundation.org.