420 in history

Died in 420

Jan 21 Yazdegerd I the fourteenth Sasanian king of Persia and ruled from 399 to 420. He was the son of Shapur III. He succeeded to the Sasanian throne on the assassination of his brother Bahram IV in 399 and ruled for twenty-one years till his death in 420
Feb 26 Porphyry of Gaza Saint Porphyry , Bishop of Gaza 395–420, known from the account in his Life for Christianizing the recalcitrant pagan city of Gaza, and demolishing its temples.
Sep 30 Jerome an Illyrian Latin Christian priest, confessor, theologian and historian, who also became a Doctor of the Church. He was the son of Eusebius, of the city of Stridon, on the border of Dalmatia and Pannonia. He is best known for his translation of the Bible into Latin , and his commentaries on the Gospel of the Hebrews. His list of writings is extensive
Dec 11 Sabinus of Piacenza bishop of Piacenza until his death in the year 420.