Year 384 (CCCLXXXIV) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Ricomer and Clearchus (or, less frequently, year 1137 Ab urbe condita). The denomination 384 for this year has been used since the early medieval period, when the Anno Dominicalendar era became the prevalent method in Europe for giving names to years.
King Shapur III signs a treaty with Theodosius I. Armenia is divided in two kingdoms, and becomes a vassal state of the Roman Empire and Persia. The friendly relations survive for 36 years.
Asia
King Chimnyu ascends to the throne of Baekje (Korea);[1] he welcomes the Indian Buddhist monk Marananta into his palace, and later declares Buddhism the official religion.
The Battle of Fei River - Former Qin forces are defeated by the numerically inferior Eastern Jin army, preserving the Jin state in the south and precipitating the destruction of Former Qin in the north.
Jerome, Christian prophet, writes his celebrated letter "De custodia virginitatis" (vow of virginity) to Eustochium, daughter of the ascetic Paula. He has by this time completed his Vulgate translation of the Gospels.
Ambrosius refuses the request of Empress Justina for a church in Milan, where she can worship according to her Arian belief.
The Gallaeci or Gallic woman Egeria concludes her Christian pilgrimage to the Holy Land at about this date; her narrative of it, the Itinerarium Egeriae, may be the earliest surviving formal writing by a woman in western European culture.[2]
