Historical Marker
The Mill on 66
Historical marker location:
738 S Washington St, Lincoln, Illinois
( Marker is at the intersection of South Washington Street and 1st Street, on the right when traveling north on South Washington Street.)
66 Roadside Attraction.
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.