Croatian soccer history runs long and deep in Chicago. Croatian teams from the city are known and respected all over the country, having won many tournaments over the last half century. 

From Wikipedia, the free encyclopedia:

The Croatian-North American Soccer Tournament is a soccer tournament established in 1964 featuring teams representing the Croatian Canadian and Croatian American communities. It is organized by the Croatian National Soccer Federation of Canada & the U.S., and hosted annually by a CNSF member club.

It is traditionally played on the Labour Day weekend to accommodate teams who have to travel long distances. There is no prize money for winning the tournament. The event attracts large Croatian crowds and is intended to allow each host club to gain financially so that they can maintain stability and promote their Croatian name and heritage in their own cities.

The dynasties of the competition are Toronto Croatia and Chicago CBP. Similar tournaments for Croatian diaspora teams are held in the west coast of North America and in Australia.