The Great Chicago Portage

The Great Chicago Portage Date: Wednesday, June 17, 2026 Time: 6:00pm–7:30pm Location: Clearing, Chicago, IL — Chicago Public Library Tags: Summer at CPL | Chicago 250 | History and Genealogy | Adults: 18 and up | Teens: 13 to 19 years Brian and Joyce Ostberg, creators of the BeHistoric YouTube Channel, will share a viewing of their documentary, "The Great Chicago Portage", a video which describes the geologic origins and historical importance of the Chicago Portage, and…

Posted June 9, 2026