Secret Chicago Printable Calendar – March 2024

Chicago River is dyed green for St. Patrick's day

Is it spring yet? Whatever the weather, one sure sign in Chicago is the annual revelry of the St. Patrick’s Day Parade and dyeing the Chicago River green.

Chicago has been dyeing its river green since 1962. The keepers of the traditions secret? Plumbers! Learn more about how plumbers started the Chicago River dyeing ritual and how they ensure a colorful and environmentally safe St. Patrick’s Day every March.

Download the calendar here.

What is your favorite sign of spring?

Jessica Mlinaric founded Urban Explorer in 2010 to inspire curious travelers by highlighting history, culture, and hidden gems in Chicago and beyond. She is the author of 'Secret Chicago' and 'Chicago Scavenger.' Jessica has visited 20+ countries and 30+ U.S. states. She has more than 16 years of experience as a marketing strategist and works as a freelance writer and photographer.