Historical Marker
Illinois Remembers
Historical marker location:
Highland, Illinois
( Memorial is on Interstate 70, 1 mile east of State Road 143, on the right when traveling east.)
The Chicago River was famously dyed green for the first time in 1962 to celebrate St. Patrick's Day. The tradition has continued every year since then, and now the river is dyed green for the holiday using an eco-friendly vegetable dye.