| 1926 |
Chicago (Harrison) defeats Chicago (Tilden) in the first known interscholastic wrestling meet in Illinois. |
| 1937 |
IHSA sponsors first state wrestling meet in the West Great Hall of Memorial Stadium at the University of Illinois. |
| 1944 |
Meet canceled due to lack of entries. |
| 1967 |
Individual wrestling tournament moves to its present home, Assembly Hall at the University of Illinois. |
| 1974 |
State wrestling meet split into two classes.
1984 IHSA sponsors the first dual meet tournaments, held at Assembly Hall the week after the individual tournaments. |
| 1989 |
Class A dual meet state final expanded from four to eight teams. |
| 1995 |
Class AA dual meet state final tournament postponed and later canceled after advancing school was found in violation of IHSA sport season by-law. |
| 1997 |
Dual meet tournaments move to their present home, Huff Hall on the campus of the University of Illinois. |
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