Which was established first Texas Tech University or University of California, San Diego ?
Texas Tech University:  Established on  10, 1923 (1923--) , and originally known as Texas Technological College, it is the flagship institution of the four-institution Texas Tech University System. University of California, San Diego:  Established in 1960 near the pre-existing Scripps Institution of Oceanography, UC San Diego is the seventh oldest of the 10 University of California campuses and offers over 200 undergraduate and graduate degree programs, enrolling about 22,700 undergraduate and 6,300 graduate students.
Texas Tech University