![Chicago River runs green in annual St. Patrick's Day tradition](https://media12.s-nbcnews.com/i/MSNBC/Components/Video/201903/Dyeing_Chicago_River_Green_river_chicago.jpg)
Chicago River is dyed green to celebrate St. Patrick's Day
![Chicago River runs green in annual St. Patrick's Day tradition](https://i.dailymail.co.uk/1s/2022/03/13/05/55287091-0-image-a-7_1647148799699.jpg)
Chicago River dyed green for St. Patrick's Day tradition for the
![Chicago River runs green in annual St. Patrick's Day tradition](https://cdn.vox-cdn.com/thumbor/U9rUI_CJUV_mOPY_nsgpJVg178M=/1400x1400/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/15947561/shutterstock_1048961018.jpg)
Video: Watch the Chicago River turn St. Patrick's Day green
![Chicago River runs green in annual St. Patrick's Day tradition](https://oldmooresalmanac.com/wp-content/uploads/2023/02/The_Chicago_River_turns_green_for_St._Patricks_Day._2018_39974060285-1.jpg)
Green River Chicago: Why is This a St Patrick's Day Tradition?
![Chicago River runs green in annual St. Patrick's Day tradition](https://media-cldnry.s-nbcnews.com/image/upload/t_fit-760w,f_auto,q_auto:best/newscms/2014_11/255136/pc-140315-green-chicago-river-01.jpg)
Chicago River Goes Green for St. Patrick's Day
![Chicago River runs green in annual St. Patrick's Day tradition](https://a57.foxnews.com/cf-images.us-east-1.prod.boltdns.net/v1/static/694940094001/ee5b7c82-a08d-4fc2-8f29-ccba7d338e5c/e4a8c561-7b76-4d61-b9a7-f325b55b53e7/1280x720/match/896/500/image.jpg?ve=1&tl=1)
Chicago's green river tradition has a surprising connection to
![Chicago River runs green in annual St. Patrick's Day tradition](http://upload.wikimedia.org/wikipedia/commons/d/dd/Chicago_River_dyed_green%2C_buildings_more_prominent.jpg)
TIL that every year on St. Patrick's Day the Chicago river is dyed
![Chicago River runs green in annual St. Patrick's Day tradition](https://whdh.com/wp-content/uploads/sites/3/2022/03/220317-chicago-river.jpg?quality=60&strip=color)
Why Chicago dyes its river green for St. Patrick's Day - Boston
![Chicago River runs green in annual St. Patrick's Day tradition](https://cdn.choosechicago.com/uploads/2022/01/Seadog-St-Pats-River-19-900x600.jpg)
St. Patrick's Day Chicago, Green River Dyeing & Parades
![Chicago River runs green in annual St. Patrick's Day tradition](https://www.indy100.com/media-library/chicago-river-turns-green-for-st-patrick-s-day.jpg?id=33287752&width=1200&height=600&coordinates=0%2C31%2C0%2C32)
How is the Chicago River dyed green for St Patrick's Day?
![Chicago River runs green in annual St. Patrick's Day tradition](https://www.irishcentral.com/uploads/article/112973/cropped_GettyImages-163797687.jpg?t=1645209170)
St. Patrick's Day: Chicago River dyed green annually
![Chicago River runs green in annual St. Patrick's Day tradition](https://images2.minutemediacdn.com/image/upload/c_crop,w_1608,h_904,x_0,y_77/c_fill,w_1440,ar_16:9,f_auto,q_auto,g_auto/images/voltaxMediaLibrary/mmsport/mentalfloss/01fy49tpa8vkh8ym5hh4.png)
How Do They Dye the Chicago River Green for St. Patrick's Day