Editing 375 (section)

=== By place ===

==== Roman Empire ====
* [[November 17]] &ndash; Emperor [[Valentinian I]] concludes an enduring peace with the [[Alamanni]] in [[Germania|Germany]], then marches into [[Praetorian prefecture of Illyricum|Illyricum]] to repel an invasion of the [[Quadi]] and the [[Sarmatians]] on the  [[Danube]] frontier. While negotiating with the Quadi, Valentinian, age 54, becomes so [[Rage (emotion)|enraged]] that he dies in a fit of [[apoplexy]] at [[Szőny|Brigetio]] ([[Hungary]]). Extreme cruelty has marked his 11-year reign, but he has also founded schools and provided [[physician]]s to serve the poor of [[Constantinople]]. 
* The Quadi accept an uneasy peace from [[Merobaudes (magister peditum)|Merobaudes]] (''[[Magister militum]]''), which gives them land to settle on the Danube.
* [[Gratian]], age 16, takes over the government at ''[[Augusta Treverorum]]'' (modern [[Trier]]), but ministers wishing to retain the loyalty of the Illyrian army fear a [[Roman usurper|usurper]]. They proclaim Valentinian's 4-year-old son [[Valentinian II]] co-emperor with his mother, [[Justina (empress)|Justina]], as [[regent]]. Gratian reserves for himself the administration of the Gallic [[Roman province|provinces]], and hands over [[Italy]], Illyrium, [[Hispania]] and [[Africa (Roman province)|Africa]] to his stepmother, who makes ''[[Mediolanum]]'' ([[Milan]]) her residence.
* Gratian, advised by his chief advisor [[Ambrose|Ambrosius]], begins a systematic persecution of the [[paganism|pagans]]. He confiscates the fortunes of the [[Roman temple|temples]] and adds the money to the [[Imperial treasury, Rome|Imperial Treasury]]. He proscribes [[Arianism]] and [[Donatism]].
* In Africa, the dissident [[Berber people|Berber]] prince [[Firmus (4th century usurper)|Firmus]] is delivered to the [[Roman Empire|Romans]] by his brother Gildon.

==== India ====
* Emperor [[Chandragupta II]] becomes ruler of the [[Gupta Empire]] ([[Outline of ancient India|India]]). He is the son of [[Samudragupta|Samudragupta the Great]] and retains his reign by an aggressive expansionist [[policy]].

==== Asia ====
* [[Geungusu of Baekje|Geungusu]] becomes king of the Korean kingdom of [[Baekje]].<ref name=met>{{cite web |title=List of Rulers of Korea |url=https://www.metmuseum.org/toah/hd/koru/hd_koru.htm |website=www.metmuseum.org |access-date=20 April 2019}}</ref>