380s

Below are some of the important events that happened between 380 and 389.

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## 380 
* January or February &ndash; Emperor Theodosius I is baptized.
* February 27 &ndash; Edict of Thessalonica: Theodosius I, with co-emperors Gratian and Valentinian II, say that all Roman citizens should become Christians.
* The Rock of Cashel is built in Ireland.
* The Visigothic chieftain Fritigern dies. His rival Athanaric becomes king of the entire Gothic nation.

### Births 
* Aelia Eudoxia, empress and wife of Arcadius 
* Alexius, Eastern saint
* Eucherius, bishop of Lyon 
* Hephaistio of Thebes, Egyptian astrologer 

### Deaths 
* Peter II, Patriarch of Alexandria
* Samudragupta, ruler of the Gupta Empire
* Wang Fahui, empress of the Jin Dynasty 

## 381 
* Roman Emperor Gratian moves the capital to *Mediolanum* (modern Milan).
* The Visigothic chieftain Athanaric becomes the first foreign king to visit the East Roman capital of Constantinople.
* Flavian succeeds Meletius as Patriarch of Antioch.
* Timothy succeeds Peter as Patriarch of Alexandria.

### Births 
* Helian Bobo, emperor of the Chinese Xiongnu state Xia 

### Deaths 
* Athanaric, king of the Visigoths

## 382 
* Roman Emperor Gratian removes the Altar of Victory from the Senate.

### Births 
* Jin Andi, emperor of the Eastern Jin Dynasty 
* Sima Yuanxian, regent during the Jin Dynasty 

## 383 
* Niall of the Nine Hostages becomes the first High King of Ireland.
* Hadrian's Wall is overrun by the Picts.
* January 19 &ndash; Arcadius becomes Roman Emperor.
* Roman troops in Britain call Magnus Maximus Emperor. He crosses over to the continent and makes Trier his capital.
* King Ardashir II dies after a 4-year reign. He is succeeded by his son Shapur III.

### Births 
* Lupus of Troyes, French bishop and saint

### Deaths
* August 25 &ndash; Gratian, Roman Emperor 
* December 10 &ndash; Pope Damasus I
* Frumentius, the "Apostle to Ethiopia"

## 384 
* Magnus Maximus returns to Britain to help them with the Barbarians raids.
* An edict of Theodosius I closes pagan temples in the Nile Valley.
* King Shapur III signs a treaty with Theodosius I. Armenia is divided in two kingdoms.
* December 17 &ndash; Pope Siricius succeeds Damasus I as the 38th pope.

### Births 
* September 9 &ndash; Honorius, Roman Emperor
* Chu Lingyuan, last empress of the Jin Dynasty
* Maria, empress and daughter of Stilicho 
* Sengzhao, Chinese Buddhist 
* Wang Shen'ai, empress of the Jin Dynasty

### Deaths 
* December 11 &ndash; Pope Damasus I
* Chu Suanzi, empress of the Jin Dynasty 
* Geungusu, king of Baekje 
* Murong Hong, founder of the Xianbei state Western Yan

## 385 
* Jinsa of Baekje becomes the 16th king of the ancient Korean kingdom of Baekje.
* Copper extraction and casting begins in the mines of Kansanshi in southernmost Africa.
* Ammianus Marcellinus begins writing a history covering the years 96 to 378.
* The Serapeum in Alexandria is destroyed.
* Aurelios Zopyros becomes the last reported athlete at the Ancient Olympic Games.

### Births 
* Avitus, Western Roman Emperor 
* Murong Chao, emperor of the Xianbei state Southern Yan 
* Murong Xi, emperor of the Xianbei state Later Yan 
* Saint Patrick, missionary in Ireland 
* Paulus Orosius, historian and theologian
* Xie Lingyun, Chinese poet of the Southern and Northern Dynasties

### Deaths 
* Aelia Flaccilla, Roman empress and wife of Theodosius I
* Chimnyu, king of Baekje (Korea)
* Dao An, Buddhist monk of the Jin Dynasty
* Fú Jiān, emperor of the Chinese Di state Former Qin
* Murong Wei, emperor of the Xianbei state Former Yan 

## 386 
* The Greuthungi cross the Danube to raid the Roman garrisons.
* Magnus Maximus invades Italy.
* The Northern Wei Dynasty begins in China.

### Births 
* Jin Gongdi, last emperor of the Jin Dynasty 
* Nestorius, founder of Nestorianism

### Deaths 
* Cyril of Jerusalem, theologian and saint
* Duan Sui, ruler of the Western Yan
* Fu Pi, emperor of the Former Qin 
* Jin Feidi, emperor of the Jin Dynasty 
* Murong Chong, emperor of the Western Yan 
* Murong Yao, emperor of the Western Yan
* Murong Yi, ruler of the Western Yan
* Murong Zhong, emperor of the Western Yan

## 387 
* Spring &ndash; Emperor Theodosius I increases the taxes in Antioch. The peasants start a riot.
* Magnus Maximus invades Italy. Emperor Valentinian II, age 16, is forced out of Rome.
* Winter &ndash; Emperor Theodosius I takes Valentinian II into protection.

### Deaths 
* Aelia Flaccilla, wife of Theodosius I
* Alatheus, chieftain of the Ostrogoths
* Saint Monica, mother of Augustine of Hippo

## 388 
* Battle of the Save: Emperor Theodosius I defeats Magnus Maximus near Emona.
* Valentinian II is restored as Roman Emperor.
* August 28 &ndash; Magnus Maximus surrenders at Aquileia and is executed. 
* Bahram IV becomes the twelfth Sassanid king of Persia.
* Emperor Chandragupta II, ruler of the Gupta Empire, begins a war against the Shaka Dynasty in West India.

### Births 
* Yao Hong, emperor of the Chinese Qiang state Later Qin 

### Deaths 
* Flavius Victor, son of Magnus Maximus and co-emperor 
* Qifu Guoren, ruler of the Xianbei state Western Qin
* Shapur III, king of the Sassanid Empire 

## 389 
* All pagan buildings in Alexandria are destroyed by fire.  This includes the library.

### Births 
* Geiseric, king of the Vandals and Alans 
### Deaths 
* Mao, Chinese empress and wife of Fu Deng 
* January 25 &ndash; Gregory Nazianzus, theologian