Chicago March 11, 2017 12:00 pm Watch the Chicago River Being Dyed Green in 15 Seconds The Chicago River was dyed green Saturday to kick off St. Patrick’s Day celebrations across the city. Watch a time lapse video of the process that’s been a tradition since 1962. US & World Videos 1:20 Gigi Hadid wows in sweeping Met Gala look 1:52 Amanda Seyfried reveals her kids' reaction to her daring metallic Met Gala look 1:34 Nicole Kidman floored over Olivia Rodrigo's AMC ad tribute 1:12 Ariana Grande channels Glinda at 2024 Met Gala 1:02 20% of nurses to leave field within 2 years