The Calendar of Events is not supported by Internet Exploreryour current browser. For best viewing, please use Chrome, Firefox, or Edge. « All Events Next Events » Submit an Event July 2023 Ontario 4th of July Festival The 2023 festival will be held Friday, June 30th, and Saturday, July 1st, 2023 in Marshall Park in Ontario, Ohio. The festival continues to grow and many new features will be added this year. Food, C... July 1, 2023 @ 12:00 pm - 10:30 pm|Recurring Event (See all)One event on June 30, 2023 at 12:00 pm Map, opens in a new window • OH