The series first raced on the 4.048 mi (6.515 km) road course in 1956, but it did not return to the schedule until 2021 as part of Independence Day weekend.The race, promoted as "America's First International Stock Car Road Race",[3] was officially sanctioned by NASCAR but the Fédération Internationale de l'Automobile (FIA) provided support for the event and foreign cars were allowed entry.[4][5] The FIA's Commission Sportive Internationale secretary Hubert Schroeder served as race overseer.[9] When NASCAR revealed the 2021 Cup Series schedule on September 30, 2020, Road America was included on the Fourth of July weekend.[15] On July 19, NASCAR officially announced both the Chicago street race and the fact that it would replace Road America on the Cup Series schedule.