130 AD – Gaius born on this year. He was a celebrated Roman jurist. Scholars know very little of his personal life. He was in fact the jurist Sextus Pomponius writing under another name.
180 AD – After his death, his writings were recognized as of great authority, and the emperor Valentinian II named him in the Law of Citations, along with Papinian, Ulpian, Modestinus and Paulus, as one of the five jurists whose opinions were to be followed by judicial officers in deciding cases. The works of these jurists accordingly became most important sources of Roman law.