The river.
chicago
Wear a TON of green :)
The Chicago River is dyed green every year for St. Patrick's Day.
The Chicago River is dyed green on St. Patrick's Day in Chicago. This tradition has been taking place since 1962, and it has become an iconic part of the city's celebrations for the holiday.
st patricks day
I don't know about a state but the city of Chicago turns the rivers green on St. Patrick's Day
no i doubt it but maybe in ireland they do but that's kinda a stretch don't ya think?
Saint Patricks day.
The St. Patty's Day Parade, and of course, dying the Chicago River Green
yes
Forty gallons of green vegetable dye are used to color the Chicago river for the St. Patrick's day celebration.
1737 Boston