- 1892: Lightning strikes the Chapel of the Main Building of Clemson College, doing a "good deal of damage", reports The Pickens Sentinel on Thursday, June 30, 1892 (Volume XXI, Number 41.) ("The Pickens Sentinel, Pickens Court House, South Carolina, 1872-1893, Historical and Genealogical Abstracts, Volume 2, compiled by Peggy Burton Rich and Marion Ard Whitehurst, Heritage Books, Inc., Bowie, Maryland, 1994, ISBN 1-55613-985-3, page 510.)
- 1912: Having discretely detected that dining hall steward August "Shorty" Schilletter has been stealing from the college for many years, President Walter Merritt Riggs does not publicize the matter through prosecution but allows the generally well-liked Schilletter to continue as an employee, and informs him on this date that he will now be managing only the kitchen, with no access to the supply cycle or cashbox. Riggs is so successful at keeping the scandal from going public and bringing unwanted scrutiny of the college that Schilletter dining hall on east campus will later be named for the reprieved scoundrel.
- 1972: The date on which Title IX sex discrimination education law changes takes effect. Institutions have between one and six years to implement changes, depending on the circumstances.
|June 22||June||June 24|