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As part of a more than fifty-year-old Chicago tradition, the Chicago River is dyed green in observance of St. Patrick's Day. [79] The actual event occurs on the Saturday on or before March 17. The tradition of dyeing the river green arose by accident in 1961 when plumbers used fluorescein dye to trace sources of illegal pollution discharges. [80]
In 1962, the city also began its famous Chicago St. Patrick's Day tradition of dyeing of the Chicago River green, with thousands of people lining the streets along the river to watch as a boat releases dye into the river. The Chicago Journeymen Plumbers Union Local 130 has historically sponsored the river dyeing and knows the secret to the dye ...
One of its more recognizable uses was in the Chicago River, where fluorescein was the first substance used to dye the river green on St. Patrick's Day in 1962. In 1966, environmentalists forced a change to a vegetable-based dye to protect local wildlife. [27]
By 8 a.m. Saturday morning, hundreds of spectators lined up along the river and bridges, waiting for boats to spray the dye through the channel on a windy but seasonably warm March day.
CHICAGO - The Chicago River turning green kicked off Chicago's St. Patrick's day festivities this morning. Thousands looked on and then stuck around for the annual downtown parade that made its ...
In an annual tradition dating back to the 1960's, the Chicago River was dyed a bright green on Saturday to kick off St. Patrick's Day celebrations across the city. Rough Cut (no reporter narration).
English: This is a photograph of the Chicago River dyed green for the St. Patrick's Day celebration. On the left is Wacker Drive, where it changes from three to two levels. Crossing the river is Michigan Avenue's double-decker bridge. This picture was taken from the Columbus Drive bridge. The view faces west.
Question: Which U.S. city was the first to dye a river green in honor of St. Patrick's Day? Answer: In 1962, the city of Chicago dyed the Chicago River green. Question: What must a leprechaun ...