- 1850: John C. Calhoun is buried in St. Philip's Episcopal Churchyard, Charleston, South Carolina. (Cook, Harriet Heffner, "John C. Calhoun - the Man", The R.L. Bryan Co., Columbia, S.C., 1965, Library of Congress Card No. 65-19779, preface, pages 88-90.)
- 1916: Mark Bernard Hardin, Professor Emeritus of Chemistry, dies, and is interred with military honors in the churchyard at the Old Stone Church. (McKale, Donald M., "The Trusted Substitute Mark Bernard Hardin, 1897, 1899, 1902", "Tradition: A History of the Presidency of Clemson University", McKale, Donald M., editor, Mercer University Press, Macon, Georgia, 1988, ISBN 0-86554-296-1, page 77.)
- 1973: Dr. John H. Butler directs the Clemson University Concert Band in Tillman Hall Auditorium at 8 p.m. Selections presented include Broadway show tunes, George M. Cohan's music, the Overture from Tommy, and selections from the works of Handel and Bach. Free admission. (Butler set to conduct, The Tiger, Friday 20 April 1973, Volume LXVI, Number 27, page 15.)
- 1975 - The third annual Blue Ridge Invitational Art Festival is held on the grounds of Clemson House, featuring 56 artists and craftsmen from North Carolina, South Carolina and Georgia, 10 a.m. to 6 p.m. daily. Over $1,400 in prizes are awarded.
- 1975 - Santana, led by guitarist Carlos Santana, performs in Littlejohn Coliseum with opening act, U.K. art-rock band, The Strawbs. Tickets are $4.25 for general admission and $5.25 on the floor for the first 1,500 sold. After that, prices rise to $5.25 and $6.25. Show starts at 8 p.m.
- 1979: "A Salute to President Robert C. Edwards" public concert is held in Littlejohn Coliseum at 8 p.m. with free admission. Performances by the Clemson Concert Band and Chorus.
- 2007: The ClemsonWiki project tallies its 26,000th hit. Gainesville, Florida quintet Sister Hazel performs on the lawn at Littlejohn Coliseum with opening act By'r Lady, produced by Tiger Paw Productions and the Clemson University Student Government. Tix are $10 and benefit philathropic projects for a multitude of student organizations.
- 2009: The Clemson Wiki Main Page tallies hit 74,000.
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