Around the turn of the 20th century, the Greeks concentrated around the Harrison, Blue Island and Halsted area, originally known as the Deltaîbut. It was later renamed as Greektown. During the 1960s, Greektown was displaced by the Eisenhower Expressway and the University of Illinois at Chicago, forcing a move north a few blocks.
In 1968, gyros and saganaki (flaming cheese) were introduced to the United States by Chicago's Greektown. From 1970 to 1990, most of the restaurants and businesses opened, and the Taste of Greece summer festival became a tradition. In 1996, with the Democratic National Convention coming to town, the city of Chicago recognized Greektown's contribution to the city by pouring millions of dollars into street renovations and erecting traditional Greek temples and pavilions at the major intersections in Greektown.