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100 North Main StreetdividerO'Fallon, MO 63366dividerPhone:  636-240-2000
Hours:  8 a.m. – 5 p.m., Monday – Friday

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Founders' Day

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O'Fallon

O'Fallon Municipal Centre
100 North Main Street
O'Fallon, MO 63366
Phone:  636-240-2000
Hours:  Monday – Friday, 8 a.m. – 5 p.m.

Thank you for attending the 2019 Founders' Day! See you next year.

Saturday, May 2, 2020
10 a.m. – 2 p.m., Fort Zumwalt Park

Celebrate O’Fallon’s history with demonstrations of heritage skills, hands-on activities, live bluegrass music, a tree dedication and more! Admission and parking are free, and food and drinks will be available for purchase.

Self-guided tours of the historic Heald Home and Zumwalt’s Fort will be available for a small donation ($5 for ages 11+). As well, the St. Charles Model Railroad Club is hosting an open house.

Vendors will sell hand-made items and food will be available for purchase.

This year’s entertainment and educational highlights will be announced in early 2020!
  • TBA

George Portz Bluegrass fiddle player performs
The rebuilt Zumwalt's Fort is a must for visitors to the park.
Father helps his children take aim at a child-size target.
Children volunteer for Arbor Day planting
Quill-type pens are used by children to make artwork.
Guests at Founders' Day attempt using period tools to make leather items.
Heald Home surrounded by green trees and plants
Child pets bunnies at the event.


Plan a route to Founders' Day

1000 Jessup Lane, O'Fallon, MO 63366


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