Editing 1399 (section)

== Events ==
=== January&ndash;December ===
* [[January]] &ndash; [[Timur]] the Lame captures and sacks [[Haridwar]].
* [[February 3]] &ndash; [[John of Gaunt]], uncle of King [[Richard II of England]] and father of [[Henry IV of England|Henry Bolingbroke]], dies.
* [[March 18]] &ndash; [[Richard II of England]] cancels the legal documents allowing the exiled [[Henry IV of England|Henry Bolingbroke]] to inherit his father's lands.
* [[July 4]] &ndash; While [[Richard II of England]] is away on a military campaign in [[Ireland]], [[Henry IV of England|Henry Bolingbroke]], with exiled former [[archbishop of Canterbury]] [[Thomas Arundel]] as an advisor, returns to England and begins a military campaign to reclaim his confiscated lands.
* [[August 6]] &ndash; [[Prince of Yan]] ([[Zhu Di]]) of China starts a rebellion in [[Beijing]].
* [[August 12]] &ndash; [[Battle of the Vorskla River]]: [[Mongol]] [[Golden Horde]] forces, led by Khan [[Temür Qutlugh]] and Emir [[Edigu]], annihilate a [[crusades|crusading]] army led by former Golden Horde Khan [[Tokhtamysh]], and Grand Duke [[Vytautas]] of [[Lithuania]].
* [[August 19]] &ndash; [[Richard II of England]] is taken prisoner upon his return from [[Ireland]].
* [[September 29]] &ndash; Having regained his father's lands, [[Henry IV of England|Henry Bolingbroke]] is urged to take the crown from the unpopular [[Richard II of England]]. Parliament charges Richard II with committing crimes against his subjects and eventually forces him to abdicate.
* [[September 30]] &ndash; Parliament accepts [[Henry IV of England|Henry Bolingbroke]] as the new king of England.
* [[October 13]] &ndash; [[Henry IV of England]] is crowned.
* [[October 19]] &ndash; Thomas Arundel is restored as [[Archbishop of Canterbury]], replacing [[Roger Walden]].
* [[November 1]] &ndash; [[John V, Duke of Brittany]] begins his reign.

=== Date unknown ===
* Faraj succeeds his father, [[Barquq]], as [[Mamluk Sultanate (Cairo)|Mamluk Sultan of Egypt]].
* Sultan [[Bayezid I]] of the [[Ottoman Empire]] invades Mamluk-occupied [[Syria]]. A rift forms between Sultan Bayezid and [[Timur]] of the Timurid Empire, who also wanted to conquer Syria.
* [[Ladislaus of Naples|Ladislaus]] regains the throne of [[Kingdom of Naples|Naples]], after overthrowing King [[Louis II of Anjou|Louis II]].
* King [[Jogaila]] becomes sole ruler of [[Poland]], after the death of his co-ruling wife, Queen [[Jadwiga of Poland|Jadwiga]].
* [[Abu Said Uthman III]] succeeds Abdullah, as ruler of the [[Marinid dynasty]] in present-day [[Morocco]].
* The [[Principality of Achaea]] (now southern [[Greece]]) resists an invasion by the [[Ottoman Empire]].
* Traditional foundation date of the [[Kingdom of Mysore]] in India, which survives until [[1950]].
* [[Iuga of Moldavia|Iuga]] becomes prince of [[Moldavia]]