Editing 1388 (section)

== Events ==
<onlyinclude>
=== January&ndash;December ===
* [[February]] &ndash; The entire court of [[Richard II of England]] are convicted of treason by the [[Merciless Parliament]], under the influence of the [[Lords Appellant]], and are all either executed or exiled. Richard II effectively becomes a puppet of the Lords Appellant.
* [[April 9]] &ndash; [[Battle of Näfels]]: [[Glarus]], in alliance with the [[Old Swiss Confederacy]], decisively defeat the [[Habsburg]]s, despite being outnumbered sixteen to one.
* [[May 18]] &ndash; [[Battle of Buyur Lake]]: A Chinese Ming invasion force under General [[Lan Yu (general)|Lan Yu]] defeats a large [[Mongolia]]n army under [[Uskhal Khan Tögüs Temür]], and captures 100 members of the [[Northern Yuan Dynasty]]. Uskhal Khan is killed whilst trying to escape, and is succeeded as Khan of Mongolia by his rival, [[Jorightu Khan Yesüder|Jorightu]]. The invading Chinese army destroys [[Karakorum]], the capital of the Mongol Empire.<ref name="lang98-159">{{cite book |last = Langlois |first = John D. Jr. |title = The Cambridge History of China, Volume 7: The Ming Dynasty, 1368–1644, Part 1 |year = 1998 |publisher = Cambridge University Press |location = Cambridge |ISBN = 0-521-24332-7 |chapter = The Hung-wu reign, 1368–1398 | page = 159}}</ref>
* [[August 5]] &ndash; [[Battle of Otterburn]]: A Scottish army, led by [[James Douglas, 2nd Earl of Douglas|James Douglas]], defeats an English army, capturing their leader, [[Henry Percy (Hotspur)|Harry Hotspur]]. Douglas is killed during the battle.
* [[August 27]] &ndash; [[Battle of Bileća]]:  The [[Bosnians]] check the [[Ottoman Empire|Ottoman]] advance.
* [[December 12]] &ndash; [[Maria of Enghien]] sells the [[Lordship of Argos and Nauplia]] to the [[Republic of Venice]].

=== Date unknown ===
* [[Mircea I of Wallachia]] takes control of the region of [[Dobruja]], thus preventing its occupation by the Ottomans.
* [[Petru II of Moldavia|Petru of Moldavia]] receives [[Pokuttya]], as a pawn for a loan to the Polish king.
* The revision of [[Wycliffe's Bible]] is completed by [[John Purvey]], and Wyclif's followers, known as the [[Lollards]], begin to be persecuted in [[Kingdom of England|England]].
* [[John of Gaunt]], the uncle of [[Richard II of England]], makes peace with [[Crown of Castile|Castile]] and gives up his claim to the Castilian throne, by allowing his daughter [[Catherine of Lancaster]] to marry [[Henry III of Castile|Prince Henry]], the eldest son of [[John I of Castile]].
* The title of [[Prince of Asturias]] is created.
* [[Ramesuan (king of Ayutthaya)|Ramesuan]] is reinstated as King of [[Ayutthaya Kingdom|Ayutthaya]] (modern-day southern [[Thailand]]), after dethroning and executing 17-year-old King Thong Lan.
* Goryeo Revolution: General [[Taejo of Joseon|Yi Seong-gye]] begins a four year revolution in [[Goryeo]] (modern-day Korea), after being ordered by King [[U of Goryeo]] to attack the superior Chinese army. King [[U of Goryeo|U]] is forced from power, and replaced by his son [[Chang of Goryeo|Chang]].
* Tran Ngung overthrows Tran Hien as King of [[Vietnam]].
* Omar I is succeeded by Sa'id, as King of the [[Kanem Empire|Kanem-Bornu Empire]] (modern-day east [[Chad]] and [[Nigeria]]). Sa'id is succeeded in the same year by Kade Alunu. Omar and Sa'id are both killed by [[Bilala]] invaders from the west.
* [[Ghiyas-ud-Din Tughluq II]] succeeds [[Firuz Shah Tughlaq]] as Sultan of [[Delhi Sultanate|Delhi]].
* [[Charles VI of France]] takes complete control of the government, ending the regency of his uncle, [[Philip the Bold]].
* The [[University of Cologne]] is established; by the 21st century it will be the largest university in Germany.
* [[Cozia Monastery]] is built in [[Wallachia]].
* [[Ljubostinja]] Monastery is built in [[Serbia]].</onlyinclude>