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Free Events and Things to do in O'Fallon, MO

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Code til Dawn (May)
Fri, May 29, 5:00 PM
St. Louis · CIC St. Louis - 20 S Sarah St.
Code til Dawn (May)
Fri, May 29, 5:00 PM
St. Louis · CIC St. Louis - 20 S Sarah St.
ALZ Around the Garden
Tue, Jun 30, 5:00 PM
St. Louis · Missouri Botanical Garden
ALZ Around the Garden
Tue, Jun 30, 5:00 PM
St. Louis · Missouri Botanical Garden
Phil Wickham - World Vision Volunteers - St. Louis, MO
Sat, May 23, 4:30 PM
St. Louis · Chaifetz Arena
Phil Wickham - World Vision Volunteers - St. Louis, MO
Sat, May 23, 4:30 PM
St. Louis · Chaifetz Arena
Sales end soon
Pass the Mic: Community Voices Edition
Tomorrow at 6:00 PM
St. Louis · Great Rivers Greenway
Sales end soon
Pass the Mic: Community Voices Edition
Tomorrow at 6:00 PM
St. Louis · Great Rivers Greenway
Idea to MVP Startup Bootcamp: Build Your App & Pitch to Accelerators
Mon, Jun 22, 6:00 PM
St. Louis · 6321 Clayton Ave
Idea to MVP Startup Bootcamp: Build Your App & Pitch to Accelerators
Mon, Jun 22, 6:00 PM
St. Louis · 6321 Clayton Ave
Going fast
SLICE Drink & Draw - May
Thu, May 28, 7:00 PM
St. Louis · Alamo Drafthouse Cinema City Foundry
Going fast
SLICE Drink & Draw - May
Thu, May 28, 7:00 PM
St. Louis · Alamo Drafthouse Cinema City Foundry
Sales end soon
Reflections Of Resilience Portrait Galley
Saturday at 12:00 PM
St. Louis · City Foundry STL
Sales end soon
Reflections Of Resilience Portrait Galley
Saturday at 12:00 PM
St. Louis · City Foundry STL
Sales end soon
Park2Park: A Day of Remembrance One Year After
Saturday at 1:00 PM
St. Louis · Fountain Park
Sales end soon
Park2Park: A Day of Remembrance One Year After
Saturday at 1:00 PM
St. Louis · Fountain Park
Nike St. Louis Coach Training
Wednesday at 9:00 AM
St. Louis · 4343 W Florissant Ave
Nike St. Louis Coach Training
Wednesday at 9:00 AM
St. Louis · 4343 W Florissant Ave
Yoga Bookclub
Thu, Jun 25, 6:30 PM
St. Louis · Pizzeria da Gloria
Yoga Bookclub
Thu, Jun 25, 6:30 PM
St. Louis · Pizzeria da Gloria
Pups on the Patio with Chippin
Tue, Jun 9, 4:30 PM
St. Louis · AO&Co. Market & Cafe
Pups on the Patio with Chippin
Tue, Jun 9, 4:30 PM
St. Louis · AO&Co. Market & Cafe
2026 Boeing STEAM and Space Day
Sat, Jun 20, 10:00 AM
Ferguson · STEAM Academy at McCluer South-Berkeley High School
2026 Boeing STEAM and Space Day
Sat, Jun 20, 10:00 AM
Ferguson · STEAM Academy at McCluer South-Berkeley High School
Almost full
Splish Splash, Bathing Beauties: Create a Mosaic Bird Bath Bowl!
Sat, Jun 13, 12:00 PM
St. Louis · Wild Birds Unlimited
Almost full
Splish Splash, Bathing Beauties: Create a Mosaic Bird Bath Bowl!
Sat, Jun 13, 12:00 PM
St. Louis · Wild Birds Unlimited
Sista2Sista Monthly Sista Circle
Sat, Jun 13, 12:00 PM + 16 more
St. Louis · 1610 S Florissant Rd
Sista2Sista Monthly Sista Circle
Sat, Jun 13, 12:00 PM + 16 more
St. Louis · 1610 S Florissant Rd
Almost full
Garden Tool Sharpening + Repair with Perennial and UHSTL
Saturday at 10:30 AM
St. Louis · 3701 Grandel Square
Almost full
Garden Tool Sharpening + Repair with Perennial and UHSTL
Saturday at 10:30 AM
St. Louis · 3701 Grandel Square
Ville/Greater Ville & Vandeventer Neighborhoods Partnership Cleanup
Sat, Jun 6, 9:00 AM
St. Louis · 4153 Dr Martin Luther King Dr
Ville/Greater Ville & Vandeventer Neighborhoods Partnership Cleanup
Sat, Jun 6, 9:00 AM
St. Louis · 4153 Dr Martin Luther King Dr
DIY Reclaimed Trellis
Sat, May 30, 10:30 AM
St. Louis · 3701 Grandel Square
DIY Reclaimed Trellis
Sat, May 30, 10:30 AM
St. Louis · 3701 Grandel Square
Lecture: Professor Eric Mumford
Sat, Jun 27, 1:00 PM
St. Louis · Pulitzer Arts Foundation
Lecture: Professor Eric Mumford
Sat, Jun 27, 1:00 PM
St. Louis · Pulitzer Arts Foundation
Monday Wealth Management for Entrepreneurs
Mon, Jul 6, 5:30 PM
St. Louis · 1408 Kingshighway Blvd
Monday Wealth Management for Entrepreneurs
Mon, Jul 6, 5:30 PM
St. Louis · 1408 Kingshighway Blvd
Miltenyi Biotec & 10x Genomics Neuroscience Seminar
Thu, Jun 18, 9:30 AM
St. Louis · Washington University, Jeffrey T. Fort Neuroscience Research Building, Room 1101
Miltenyi Biotec & 10x Genomics Neuroscience Seminar
Thu, Jun 18, 9:30 AM
St. Louis · Washington University, Jeffrey T. Fort Neuroscience Research Building, Room 1101

Trends in O'Fallon

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Explore more trends

Frequently asked questions about O'Fallon

What are the best free events to attend?

According to Eventbrite, the best free events are:

Code til Dawn (May)

ALZ Around the Garden

Phil Wickham - World Vision Volunteers - St. Louis, MO

Idea to MVP Startup Bootcamp: Build Your App & Pitch to Accelerators

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

carnival festival

events happening today near me

Which free events are coming up?

Discover the best free events happening soon – you don't want to miss them:

Pass the Mic: Community Voices Edition

Garden Tool Sharpening + Repair with Perennial and UHSTL

Reflections Of Resilience Portrait Galley

Park2Park: A Day of Remembrance One Year After