Editing 1390 (section)

== Events ==
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=== January&ndash;December ===
* [[January 19]] &ndash; The [[Treaty of Lyck]] confirms an alliance between [[Vytautas]] and the [[Teutonic Knights]], in the [[Lithuanian Civil War (1389–1392)|Lithuanian Civil War]] against Vytautas's cousin, [[Jogaila]].
* [[April 14]] &ndash; [[John VII Palaiologos]] overthrows his grandfather, [[John V Palaiologos]], as [[Byzantine Emperor]]. 
* [[April 19]] &ndash; [[Robert III of Scotland|Robert III]] succeeds his father, [[Robert II of Scotland|Robert II]], as King of [[Scotland]].
* [[May 26]] &ndash; [[Lithuanian Civil War (1389–1392)|Lithuanian Civil War]]: The [[Treaty of Königsberg (1390)|Treaty of Königsberg]] is signed in [[Königsberg]], between [[Samogitia]]n nobles and representatives of the [[Teutonic Knights]].<ref>{{cite book|first=Zenonas|last=Ivinskis|chapter=Vytauto jaunystė ir jo veikimas iki 1392 m|title=Vytautas Didysis|editor=Paulius Šležas|year=1988|orig-year=1930|publisher=Vyriausioji enciklopedijų redakcija|location=Vilnius|oclc=25726071|page=36|language=lt}}</ref>
* [[September 11]] &ndash; [[Lithuanian Civil War (1389–1392)|Lithuanian Civil War]]: The coalition of [[Vytautas]] and the [[Teutonic Knights]] begins a 5-week siege of [[Vilnius]]. The Duke of Hereford (the future King [[Henry IV of England]]) is among the western European knights serving with the coalition.<ref>{{cite book|last=Gudavičius|first=Edvardas|author-link= Edvardas Gudavičius|title=Lietuvos istorija. Nuo seniausių laikų iki 1569 metų|publisher=Lietuvos rašytojų sąjungos leidykla|year=1999|location=Vilnius|pages=173–174|isbn=9986-39-112-1|language=lt}}</ref>
* [[September 17]] &ndash; [[John VII Palaiologos]] seeks refuge with the Ottoman sultan [[Bayezid I]], after [[John V Palaiologos]] is restored by his son, [[Manuel II Palaiologos|Manuel]], and the [[Republic of Venice]].
* [[October 9]] &ndash; [[Henry III of Castile|Henry III]] succeeds his father, [[John I of Castile|John I]], as King of [[Crown of Castile|Castile]] and [[Kingdom of León|León]].

=== Date unknown ===
*[[Fall of Philadelphia]]
** The [[Ottoman Empire|Ottomans]] take [[Alaşehir|Philadelphia]], the last [[Byzantine]] enclave of any significance in [[Anatolia]].
* [[Barquq]] is restored as [[Mamluk Sultanate (Cairo)|Mamluk]] Sultan of [[Egypt]], after overthrowing Sultan Hadji II.
* [[Nasir ud din Muhammad Shah III]] overthrows his brother, [[Abu Bakr Shah]], as [[Sultan of Delhi]].
* [[Manuel III of Trebizond|Manuel III]] succeeds his father, [[Alexios III of Trebizond|Alexios III]], as Emperor of [[Empire of Trebizond|Trebizond]] (now north eastern [[Turkey]]).
* Sikandar But-shikan succeeds Sikandar Shah, as Sultan of [[Kashmir]].
* Ko Cheng succeeds [[Che Bong Nga]], as King of [[Champa]] (now eastern [[Vietnam]]).
* [[Mahmud (mansa)|Mahmud]] succeeds [[Sandaki]] as [[Mansa (title)|Mansa]] of the [[Mali Empire]], restoring the [[Keita dynasty]].
* N'Diklam Sare succeeds Sare N'Dyaye, as ruler of the [[Jolof Empire]] (now part of [[Senegal]]).
* The [[Kingdom of Kaffa]] is established in present day [[Ethiopia]] (approximate date).
* [[Templo Mayor]], the main temple of the [[Aztec]] capital of [[Tenochtitlan]] (now [[Mexico City]]), is built. 
* The [[Candi Surawana]] Temple is built in the [[Majapahit]] Kingdom (now [[Indonesia]]).
* Construction begins on [[San Petronio Basilica]] in [[Bologna]].
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