The dates for Mitsubishi Owner's Day are set. They welcome non-mitsubishi cars as well.
Info here:
https://www.mitsubishicars.com/owners/events
Address:
Mitsubishi Motors Manufacturing Plant of North America
100 N Mitsubishi Mtwy,
Normal, Illinois 61761
Facebook event page: https://www.facebook.com/events/713824375411279/?ref=5&action_history=null
Info here:
https://www.mitsubishicars.com/owners/events
Address:
Mitsubishi Motors Manufacturing Plant of North America
100 N Mitsubishi Mtwy,
Normal, Illinois 61761
Facebook event page: https://www.facebook.com/events/713824375411279/?ref=5&action_history=null