🍀The tradition of dyeing the Chicago River green began in 1962.
🛶It takes about two motorboats and 40 pounds of orange dye to turn the river green.
🧪The dye used is called 'leprechaun dust' and is a top secret formula.
🍃The dyeing of the river is done to celebrate St. Patrick's Day.
💚The green color of the river is a symbol of Irish heritage.