9:30 a.m.-10:30 a.m.: Lawrence-Douglas County Health Department immunization clinic, Eudora City Hall, 4 E. Seventh St. Fee charged.
10:30 a.m.-11 a.m.: Storytime for children 3 years and older, Lawrence Public Library, 707 Vt., 843-3833, Ext. 117.
Noon-12:30 p.m.: Prayer service for the victims of the terrorist attacks and the nation, First United Methodist Church, 946 Vt.
12:10 p.m.: Special Mass for victims of terrorist attacks as part of World Day of Prayer, St. John the Evangelist Catholic Church, 1234 Ky.
7:30 a.m.-11:30 a.m.: Lawrence Farmers Market, Vermont Street between 10th and 11th streets, 842-3883 or 838-4726.
7:30 a.m.-11:30 a.m.: Monarch Watch butterfly tagging open house, Baker Wetlands, 31st Street entrance.
10 a.m.: Prayer service for those affected by the terrorist attacks, Plymouth Congregational Church, 925 Vt.
4 p.m.-5:30 p.m.: Prayer service for those affected by the terrorist attacks, Heartland Community Church, 619 Vt., 832-1845.
7 p.m.-11 p.m.: Saturday Nite's Main Event youth lock-in for fourth- through eighth-graders, East Lawrence Center, 1245 E. 15th St., 832-7950.
10 a.m.-2 p.m.: Local fund-raising event for fire and police departments in New York, Hasting's parking lot, 23rd and Iowa streets.