Join CSCI in Celebrating 60 Years of Citizen Diplomacy

2020 marks the 60th anniversary of Chicago Sister Cities International (CSCI). World Business Chicago and CSCI are proud to commemorate the signing of Chicago’s first sister city, Warsaw, Poland in 1960, and the subsequent 60 years of exchange, connection, and friendship that have grown out of that first sister city relationship. The bonds that CSCI has built with 29 sister cities around the world have helped to shape Chicago into the welcoming, global city that it is today.

From coordinating international delegations and humanitarian exchanges to fostering arts and culture programs and events, CSCI volunteers drive the citizen diplomacy at the core of CSCI’s mission.

There are a variety of ways to get involved in sponsoring the year-long 60th anniversary. If you’re interested in sponsorship opportunities please contact Melanie Sillas, VP of Development at or at 312-763-3652. You can also join CSCI and World Business Chicago in celebrating the anniversary by attending sister city events and programs, volunteering with CSCI and sharing news and updates with your friends and family.

To commemorate the 60th anniversary of CSCI, we’re unveiling a new logo. The logo represents 60 years of linking Chicago to the world and the world to Chicago.

For more information on the 60th anniversary, head to

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