380

Roman Empire

 * / – Emperor is.
 * – Theodosius I, with co-emperors and, declare their wish that all their peoples convert to trinitarian Christianity, in accordance with the patriarchs of  and , implicitly rejecting the  of the patriarch of  as heretical.
 * — makes his adventus, or formal entry, into.
 * Bedouin Queen 's troops defeat a Roman army.
 * Invasion of the : Gratian is forced to cede Upper to them.

Europe

 * The is built in Ireland.
 * becomes king of the upon 's death.

Asia

 * The annexation of western provinces by give him control over commerce with  and.

The Pacific

 * Approximate date of  on.

Arts and Sciences

 * Important works on and  are written in.

Religion

 * The, a translation in Latin of the Bible by St. , is published.
 * St. orders the burning of all known copies of 's poetry.
 * writes a commentary on the 's.
 * A cathedral is built in,.
 * The Council of is held.
 * introduces popular music into church services.

Births

 * St. Alexios (in )
 * , opponent of the
 * , Egyptian
 * , the author of "" (The Cloud Messenger) (approximate date)
 * St. (at Imola in )
 * , church

Deaths

 * , King of the
 * ,  trader
 * , ruler of the
 * , ruler of the