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Summer Events and Things to do in O'Fallon, IL

PMI PMP® Certification Training Course – 4-Day St Louis Bootcamp
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
PMI PMP® Certification Training Course – 4-Day St Louis Bootcamp
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
In-Person Dual Lean Six Sigma Green and Black Belt Training in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
In-Person Dual Lean Six Sigma Green and Black Belt Training in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
He’s a Work of Art & She’s a Work of Art : The SCGN Renaissance Edition
Sun, Jun 28, 2:00 PM
St. Louis · Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
He’s a Work of Art & She’s a Work of Art : The SCGN Renaissance Edition
Sun, Jun 28, 2:00 PM
St. Louis · Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
2026 Saint Louis Summer Arts, Crafts & Vendor Market
Fri, Aug 7, 10:00 AM
St. Louis · 4257 Northeast Dr
2026 Saint Louis Summer Arts, Crafts & Vendor Market
Fri, Aug 7, 10:00 AM
St. Louis · 4257 Northeast Dr
ST.LOUIS VS EVERYBODY OFFICIAL SILENT PARTY
Sat, Jun 20, 9:00 PM
St. Louis · Crush Cocktails and Food
ST.LOUIS VS EVERYBODY OFFICIAL SILENT PARTY
Sat, Jun 20, 9:00 PM
St. Louis · Crush Cocktails and Food
Six Sigma Black Belt Course with Exam Voucher Training in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Six Sigma Black Belt Course with Exam Voucher Training in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Sales end soon
Intro to Espresso – June 18, 2026
Thursday at 1:00 PM
St. Louis · 1600 S 39th St
Sales end soon
Intro to Espresso – June 18, 2026
Thursday at 1:00 PM
St. Louis · 1600 S 39th St
PMP Pass Guarantee In-Person Training in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
PMP Pass Guarantee In-Person Training in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Sales end soon
Bible study for 30s and '40s singles
Thursday at 6:45 PM
Chesterfield · 14441 Village Green Pkwy
Sales end soon
Bible study for 30s and '40s singles
Thursday at 6:45 PM
Chesterfield · 14441 Village Green Pkwy
Lean Six Sigma Green & Black Belt Confirmed St Louis In-person Training
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
Lean Six Sigma Green & Black Belt Confirmed St Louis In-person Training
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
Going fast
June 2026 Family Playdate
Thursday at 9:30 AM
St. Louis · 1675 S Mason Rd
Going fast
June 2026 Family Playdate
Thursday at 9:30 AM
St. Louis · 1675 S Mason Rd
Advanced Coffee Brewing - June 25, 2026
Thu, Jun 25, 1:00 PM
St. Louis · 1600 S 39th St
Advanced Coffee Brewing - June 25, 2026
Thu, Jun 25, 1:00 PM
St. Louis · 1600 S 39th St
PMP Exam Prep In-Person Course in St Louis, MO
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
PMP Exam Prep In-Person Course in St Louis, MO
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Legendary Oldschool Poets Showcase
Sat, Jun 27, 7:00 PM
St. Louis · Legacy Bar & Grill
Legendary Oldschool Poets Showcase
Sat, Jun 27, 7:00 PM
St. Louis · Legacy Bar & Grill
Salesforce Administrator Guaranteed to Run St Louis In-Person Training
Wed, Jul 29, 9:00 AM + 5 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
Salesforce Administrator Guaranteed to Run St Louis In-Person Training
Wed, Jul 29, 9:00 AM + 5 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
Almost full
Intro to Milk Steaming- July 1, 2026
Wed, Jul 1, 1:00 PM
St. Louis · 1600 S 39th St
Almost full
Intro to Milk Steaming- July 1, 2026
Wed, Jul 1, 1:00 PM
St. Louis · 1600 S 39th St
CISSP Guaranteed to Run St Louis Exam Prep In-Person Training
Tue, Jul 28, 9:00 AM + 5 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
CISSP Guaranteed to Run St Louis Exam Prep In-Person Training
Tue, Jul 28, 9:00 AM + 5 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
Sales end soon
Seed to Cupping - June 17, 2026
Wednesday at 1:00 PM
St. Louis · 1600 S 39th St
Sales end soon
Seed to Cupping - June 17, 2026
Wednesday at 1:00 PM
St. Louis · 1600 S 39th St
In-Person CAPM Exam Prep Course in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
In-Person CAPM Exam Prep Course in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
PMI CAPM® Certification Training Course – 4-Day St Louis Bootcamp
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
PMI CAPM® Certification Training Course – 4-Day St Louis Bootcamp
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550

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