World War I Memorial

Historical marker location:

212 N Greenwood St, Spring Valley, Illinois

( Memorial is on North Greenwood Street north of East Erie Street, on the right when traveling north.)

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.