| February 1971 | Orangeburg-Calhoun Technical basketball team plays first game |
| July 21, 1972 | Clemson University announces acceptance of transfer credit from Orangeburg-Calhoun Technical courses |
| Aug. 11, 1972 | Orangeburg-Calhoun Technical credits become transferable to the University of South Carolina |
| May 11, 1973 | Tool, Die Making program approved |
| Oct. 21, 1973 | Medical Technology curriculum added |
| March 14, 1974 | Phi Theta Kappa Honor Society chartered (for students in degree programs) |
| May 8, 1974 | Orangeburg-Calhoun Technical Education Center becomes Orangeburg-Calhoun Technical College |
| April 9, 1975 | dedication of $2,000,000 college expansion and opening of the Learning Resource Center and Administration Building |
| May 26, 1978 | the Gressette Learning Resource Center and Williams Administration Building dedicated in honor of Sen. L. Marion Gressette of St. Matthews and Sen. Marshall B. Williams of Orangeburg |
| May 26, 1978–April 12, 1979 | Radiologic Technology program accredited |
©2024 Orangeburg-Calhoun Technical College. All Rights Reserved.