Editing 1398 (section)

=== Date unknown ===
* The [[Teutonic Knights]] recommence their raids of [[Lithuania]].
* The Teutonic Knights conquer the island of [[Gotland]], near [[Sweden]], which has previously been run by the piratical [[Victual Brothers]].
* [[Martin of Aragon]] launches a crusade against the [[Moors]] in [[North Africa]].
* The [[Kingdom of Singapura]] falls, after being invaded by the [[Majapahit]] Empire.
* Abdullah succeeds Abu Amir as ruler of the [[Marinid dynasty]] in modern-day [[Morocco]].
* [[Bunei (Ryukyu)|Bunei]] succeeds his father, [[Satto]], as King of [[Chūzan]] (modern-day central [[Okinawa Prefecture|Okinawa]], [[Japan]]).
* [[Glendalough]] [[monastery]] in [[Wicklow]], [[Ireland]] is destroyed by [[England|English]] troops.
* [[Ferapontov Monastery]] is founded in modern-day northwest [[Russia]] by [[Therapont of Belozersk]].
* The [[Munmyo]] [[Confucian]] shrine and [[Sungkyunkwan University]] are founded in modern-day [[Seoul]].
* [[Mount Grace Priory]] is established in [[Yorkshire]], [[Kingdom of England|England]].
* According to [[fringe theory|fringe theorists]], the [[Scotland|Scottish]] explorer [[Henry I Sinclair, Earl of Orkney]], reaches [[North America]].</onlyinclude>