O'Fallon's Heritage & Freedom Fest
- July 2, 2021 - July 4, 2021
- Recurring daily
- Friday 4:00-10:00PM, Saturday Noon-11:00PM, Sunday 4:00-11:00 PM
- Presented By: O'Fallon Parks & Recreation Department
- Location: Ozzie Smith Sports Complex
- 900 T.R. Hughes Blvd., O'Fallon, MO 63366