Gustave Koerner House Restoration Committee — 7 p.m. Tuesday on the second-floor conference room of Belleville City Hall. For more information, call 618-235-6471.
Belleville Optimist Club — Noon Tuesday at Bellecourt Place, 120 S. Jackson St. in Belleville. Richard Reilly will speak on “Residential Energy Efficiency.”
St. Clair Woman’s Club — Noon Tuesday at Bellecourt Place, 120 N. Jackson St. in Belleville.
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Metro East Christian Womens Club — 10 a.m. to noon Wednesday at Bellecourt Place, 120 N. Jackson St. in Belleville. Treena Wicoff will entertain with a comical music act. Cost is $12. Reservations by Monday to Sue Hammel at 618-567-3959.
PSOP Book Club — 10 a.m. Thursday in Room 204 of PSOP, 201 N. Church St. in Belleville. Gerry Tharp will lead discussion on “To Live and Be Wise” by Josephine Tey.
Association of Professional Energy Consultants — 11:30 a.m. Friday at Porter’s Steakhouse, 1000 Eastport Plaza Drive in Collinsville. Fee is $10; lunch on your own. Speaker is Jeff Gibbs. For more information, visit www.apec-online.org/index.html.
Metro East Wealth Builders Investment Club — 6:30 p.m. Tuesday at Knights of Columbus Hall, 402 East U.S. Highway 50 in O’Fallon.
Hearts ‘n’ Hands Quilt Guild — 6 p.m. Tuesday at First United Methodist Church, 504 Highway 50 in O’Fallon. Yard Sale.
O’Fallon Township Senior Committee — 5:30 p.m. Thursday at O’Fallon Township Building, 801 E. State St. in O’Fallon. Cost is $2.
Korean War Veterans Association — 2 p.m. Monday at Swansea Improvement Association Building, 301 Service St. in Swansea.