| 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 Huff Hall on the campus of the University of Illinois. |
| 2009 | State wrestling meet split into three classes; dual team tournaments move to U.S. Cellular Coliseum in Bloomington. |