1. In 1985, the world's largest corn maze was dedicated in Harvard, Illinois. Covering over 20 acres, the maze took three weeks to complete and featured more than two miles of pathways.

2. On August 13, 1966, a group of University of Chicago students released the first issue of the satirical newspaper The Chicago Seed. The paper would go on to become a counterculture icon in the 1960s and 1970s.

3. August 13, 1960, marked the opening of the Oak Street Beachstro restaurant in Chicago. The restaurant quickly became known as a hot spot for celebrities and high society in the Windy City.

4. On August 13, 1859, the first Illinois State Fair was held in Springfield. Over 10,000 people attended the fair, which featured livestock exhibitions, horse races, and agricultural displays.

5. August 13, 1994, saw the opening of the new Soldier Field stadium in Chicago. The stadium, which cost over $600 million to build, is home to the NFL's Chicago Bears and has also hosted numerous concerts and other events.