| 1944 |
IHSA sponsors first "postal" bowling tournament for girls. |
| 1969 |
IHSA approves interscholastic competition in girls bowling. |
| 1973 |
First IHSA girls bowling tournament held at Town and Country Bowl in Peoria. |
| 1975 |
Last "postal" bowling tournament conducted; state final meet changed from a dual format to an open meet format; Dixon wins championship with a team of four boys and one girl, prompting change in IHSA by-laws prohibiting boys from playing on girls' teams. |
| 1980 |
First individual competition held at state final tournament. |
| 1993 |
Tournament moves to present site, Cherry Bowl Lanes in Rockford. |
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