Editing 1389 (section)

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* [[Mircea I of Wallachia]] and Polish king [[Władysław II Jagiełło]] sign their first treaty, to protect their countries against Ottoman expansion.
* [[Goryeo]] Revolution in Korea (1388–1392): King [[Chang of Goryeo]] is forced from power and replaced by King [[Gongyang of Goryeo|Gongyang]]. The ten-year-old Chang and his predecessor, [[U of Goryeo|U]], are both assassinated later in the year.
* Hadji II is restored as [[Mamluk Sultanate (Cairo)|Mamluk]] Sultan of [[Egypt]], after overthrowing Sultan [[Barquq]].
* With the backing of [[Antipope John XXIII]], supporters of [[Louis II of Anjou|Louis II]] overthrow the underage King [[Ladislaus of Naples|Ladislaus]] as [[Kingdom of Naples|King of Naples]]. The new [[Pope Boniface IX]] recognises Ladislaus's claim to the throne.
* [[Wikramawardhana]] succeeds [[Hayam Wuruk]], as ruler of the [[Majapahit Empire]].
* The unpopular Sultan [[Tughluq Khan]] of [[Delhi Sultanate|Delhi]] is murdered and succeeded by his brother, [[Abu Bakr Shah]].
* Biri II succeeds Kade Alunu as King of the [[Kanem Empire|Kanem-Bornu Empire]] (now eastern [[Chad]] and [[Nigeria]]), and the Empire loses its land in present-day Chad to the [[Bilala]].
* [[Sandaki]] overthrows [[Magha II]], as [[Mansa (title)|Mansa]] of the [[Mali Empire]].
* Abd ar-Rahmân II succeeds Musa II as ruler of the [[Ziyanid]] Dynasty, in present-day western [[Algeria]].
* Abu Tashufin II succeeds his nephew, [[Abu Hammu II]], as ruler of the [[Abdalwadid]] Dynasty in present-day eastern [[Algeria]].
* [[Carmo Convent (Lisbon)|Carmo Convent]] is built in [[Lisbon]], [[Kingdom of Portugal|Portugal]].
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