Editing 390 (section)

==== Roman Empire ====
* [[April]] &ndash; [[Massacre of Thessalonica]]: Resentment among the citizens of [[Thessaloniki|Thessalonica]] ([[Macedonia (Roman province)|Macedonia]]) breaks out into violence after the arrest of a popular [[Chariot racing|charioteer]]. [[Butheric]], military commander of [[Illyricum (Roman province)|Illyricum]], is murdered. Emperor [[Theodosius I]]  orders vengeance, despite the pleas for mercy by [[Ambrose]], bishop of [[Milan]]; more than 7,000 inhabitants are [[massacre]]d by the [[Late Roman army|Roman army]].
* Ambrose retires to Milan (residence of Theodosius I) and refuses to celebrate a mass in the emperor's presence, until he repents for ordering the massacre in Thessalonica. Theodosius, filled with remorse, kneels in humility and strips off his [[Toga|royal purple]], before the [[altar]] of the [[cathedral]] in Milan, humbling himself before the church.
* The [[Visigoths]] and [[Huns]], led by [[Alaric I|Alaric]], invade Thrace. [[Stilicho]], high-ranking general (''[[magister militum]]'') of [[Vandals|Vandal]] origin, raises an army and begins a campaign against the [[Goths]].
* Theodosius I brings an [[obelisk]] from [[Egypt]] to the [[Hippodrome of Constantinople]].