In Memory of Dickey's Cavalry

Historical marker location:

Ottawa, Illinois

( Memorial is on Illinois Route 71, 0.2 miles east of North 2401st Road (County Road 8), on the right when traveling east.)

Marker installed: 1942

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.