Interstate Intercollegiate Athletic Conference
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The Interstate Intercollegiate Athletic Conference (IIAC) was a college athletic conference that existed from 1908 to 1970 in the United States.
At one time the Illinois Intercollegiate Athletic Conference, or IIAC, was a robust league that claimed most of the Illinois institutions of higher education. It was nicknamed the "Little Nineteen," but in 1928 had a membership of 23 schools. Former Illinois State University track coach Joseph Cogdal, associated with the IIAC for 43 years of its 62-year history, noted that the league had roots in the 1870s when a number of schools banded together for oratorical contests. Their first intercollegiate football game was played in 1881 between Illinois State University and Knox College, and by 1894 a football association was established.
History
The IIAC was formed in April 1908 with eight charter members: Bradley Polytechnic Institute (now Bradley University), Illinois College, Illinois State Normal University (now Illinois State University), Illinois Wesleyan University, Knox College, Lombard College, Millikin University and Monmouth College. The first track meet was held on May 22, 1908. The group quickly expanded. Eastern Illinois State Teachers College (now Eastern Illinois University) and Western Illinois University joined in 1912 and 1914 respectively.
In 1920, the name "Illinois Intercollegiate Athletic Conference" was adopted, providing the initials IIAC. Conference membership reached a peak of 23 member schools in 1928, when virtually all of the small colleges in Illinois were included.
Private schools withdrew during much of the 1930s, until in 1942 only the five state schools remained: Eastern Illinois University, Illinois State University, Northern Illinois University, Southern Illinois University Carbondale and Western Illinois University. In 1950, the league name became the Interstate Intercollegiate Athletic Conference, when Central Michigan University and Eastern Michigan University brought the membership to seven. In 1961-62, Eastern Michigan University and Southern Illinois University Carbondale withdrew; Northern Illinois University followed in 1965-66. The conference disbanded at the end of the 1969–70 academic year.
Member schools

Final members
| Institution | Location | Founded | Affiliation | Enrollment | Nickname | Joined | Left | Current conference | Current association |
|---|---|---|---|---|---|---|---|---|---|
| Central Michigan University | Mount Pleasant, Michigan | 1892 | Public | 21,705 | Chippewas | 1950–51 | 1969–70 | Mid-American (MAC) | Division I |
| Eastern Illinois University | Charleston, Illinois | 1895 | Public | 8,626 | Panthers | 1912–13 | 1969–70 | Ohio Valley (OVC) | Division I |
| Illinois State University | Normal, Illinois | 1857 | Public | 20,706 | Redbirds | 1908–09 | 1969–70 | Missouri Valley (MVC) | Division I |
| Western Illinois University | Macomb, Illinois | 1899 | Public | 7,624 | Leathernecks | 1914–15 | 1969–70 | Ohio Valley (OVC) | Division I |
Former members
Notes
Membership timeline
Football champions
Illinois Intercollegiate Athletic Conference
Interstate Intercollegiate Athletic Conference
| 1950 – Illinois State Normal 1951 – Northern Illinois State 1952 – Central Michigan 1953 – Central Michigan 1954 – Central Michigan and Michigan State Normal 1955 – Central Michigan and Michigan State Normal 1956 – Central Michigan | 1957 – Eastern Michigan 1958 – Western Illinois 1959 – Western Illinois 1960 – Southern Illinois 1961 – Southern Illinois 1962 – Central Michigan 1963 – Northern Illinois | 1964 – Northern Illinois and Western Illinois 1965 – Northern Illinois 1966 – Central Michigan 1967 – Central Michigan and Illinois State 1968 – Central Michigan and Illinois State 1969 – Western Illinois |
See also
- List of defunct college football conferences
- List of Interstate Intercollegiate Athletic Conference football standings
- Mid-American Conference
- Missouri Valley Football Conference
- Ohio Valley Conference
- College Conference of Illinois and Wisconsin