How to buy fake Trinity University certificate? Buy a fake Trinity University diploma. How to get a Trinity University degree? Buy a fake diploma online. Trinity University (San Antonio), www.trinity.edu, is located in San Antonio, Texas. Like this city rich in history and culture, Trinity University was founded in 1869 from three monastic villages that were destroyed during the Civil War. The university, like many monastic churches in the United States, is affiliated with the United States United Episcopal Church.