Historical Marker
Quincy's Early Environment
Historical marker location:
1601 Maine Street, Quincy, Illinois
( Marker is at the intersection of Maine Street and 16th Street, on the left when traveling east on Maine Street.)
Marker installed: 2009
1848.
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.