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	380 by topic v • d • e
	Politics
	State leaders – Sovereign states
	Birth and death categories
	Births – Deaths
	Establishment and disestablishment categories
	Establishments – Disestablishments

Centuries:	3rd century · 4th century · 5th century
Decades:	350s 360s 370s 380s 390s 400s 410s
Years:	377 378 379 380 381 382 383

For the aircraft see Airbus A380

This article is about the year. For other uses, see 380 (disambiguation).

[edit] Events

January/February – Emperor Theodosius I is baptized.
February 27 – Theodosius I, with co-emperors Gratianus and Valentinian II, declare their wish that all their peoples convert to trinitarian Christianity, in accordance with the patriarchs of Rome and Alexandria, implicitly rejecting the Arianism of the patriarch of Constantinople as heretical.
November 24—Theodosius I makes his adventus, or formal entry, into Constantinople.
Bedouin Queen Mavia's Saracen troops defeat a Roman army.
Invasion of the Vandals: Gratian is forced to cede Upper Pannonia to them.

The Rock of Cashel is built in Ireland.^{[citation needed]}
Athanaric becomes king of the Thervingi upon Fritigern's death.^{[citation needed]}

The annexation of western provinces by Gupta give him control over commerce with Europe and Egypt.

St. Gregory Nazianzus is alleged to have ordered the burning of all known copies of Sappho's poetry (disputed: see Sappho).
Tyconius writes a commentary on the Bible's Book of Revelation.
A cathedral is built in Trier, Germany.
The Council of Saragossa is held.
Saint Ambrose introduces popular music into church services.

St. Alexios (in Rome)
Eutyches, opponent of the Nestorian Assyrians
Hephaistio of Thebes, Egyptian astrologer
Kalidasa, the author of "Shakuntala" ,"Meghaduta"(The Cloud Messenger) (approximate date)
St. Peter Chrysologus (at Imola in Emilia)
Socrates Scholasticus, church historian