This event is in the "Adult" group The Presumption of Freedom: The Illinois Supreme Court and the Fate of Slavery in the Prairie State 6:00pm–7:30pm Adult Special Program This event is in the "Adult" group Mar 24 2025 Mon The Presumption of Freedom: The Illinois Supreme Court and the Fate of Slavery in the Prairie State 6:00pm–7:30pm Special Program Please note you are looking at an event that has already happened. Library Branch: Freeport Public Library Room: Meeting Room Age Group: Adult Program Type: Special Program Description: Though Illinois entered the Union as a free state in 1818, slavery continued to exist within its borders for decades.