Editing 1400 (section)

== Births ==
* [[January 13]] &ndash; [[John, Lord of Reguengos de Monsaraz|Infante John of Portugal]], the [[Constable of Portugal|Constable]] (d. [[1442]])
* [[March 15]] &ndash; [[Guillaume Jouvenel des Ursins]], Justice Minister of France (d. [[1472]])
* [[May 19]] &ndash; [[John Stourton, 1st Baron Stourton]], English baron (d. [[1462]])
* [[June 14]] &ndash; [[Joan Ramon II, Count of Cardona]] (d. [[1471]])
* [[July 26]] &ndash; [[Isabel le Despenser, Countess of Worcester]], English noble (d. [[1439]])
* [[October 24]] &ndash; [[Mani' ibn Rabi'a al-Muraydi]], oldest known ancestor of the House of Al Sa'ud (d. [[1463]])
* [[December 25]] &ndash; [[John Sutton, 1st Baron Dudley]], Lord Lieutenant of Ireland (d. [[1487]])
* ''date unknown''
** [[James Tuchet, 5th Baron Audley]] (d. [[1459]])
** [[Luca della Robbia]], Florentine sculptor (d. [[1482]])
** [[Isabella, Duchess of Lorraine]] (d. [[1453]]).
** [[James of Sclavonia]], Croatian friar (d. [[April 1985|April 1485]] or [[1496]])
** [[Gennadius Scholarius]], [[Byzantine Greeks|Byzantine Greek]] philosopher and theologian, and [[Ecumenical Patriarch of Constantinople]] (d. [[1473]])
** [[Richard Neville, 5th Earl of Salisbury]], English politician (d. [[1460]])
** [[Owen Tudor]], Welsh courtier (d. [[1461]])
** [[Jacopo Bellini]], Italian painter (d. [[1470]])
** [[Rogier van der Weyden]], Dutch painter (or [[1399]])
** [[Hans Multscher]], German painter and sculptor (d. [[1467]])
** [[Helene Kottanner]], Hungarian writer and courtier (d. after [[1470]])
** [[Ausiàs March]], medieval [[Valencian language|Valencian]] poet and knight (d. [[1459]])
** [[Henry, Duke of Villena]] (d. [[1445]])
** [[Gonçalo Velho Cabral]], Portuguese monk, Commander in the [[Order of Christ (Portugal)|Order of Christ]], explorer, and hereditary landowner (d. [[1460]])
** [[Manuel Fokas]], Greek Byzantine painter (d. after [[1454]])
** [[Gilles Binchois]], Franco-Flemish composer (d. [[1460]])
** [[Hang Jebat]], closest companion of the legendary Malaccan hero [[Hang Tuah]]
** [[Alexander of Masovia]], Polish prince member of the [[House of Piast]] and [[Bishop of Trento]] (d. [[1444]])
** [[Andrea Grego]], [[Dominican Order|Dominican]] friar and preacher (d. [[1485]])
** [[Andronikos V Palaiologos]], [[Byzantine Empire|Byzantine]] ruler of [[Thessaloniki|Thessalonica]] and surrounding territories alongside his father [[John VII Palaiologos]] (d. [[1407]]) 
** [[Thomas Boleyn (priest)|Thomas Boleyn]], [[Master (college)|Master]] of [[Gonville and Caius College|Gonville Hall, Cambridge]] and English priest (d. 1472)
** [[Vettore Cappello]], merchant, statesman and military commander of the [[Republic of Venice]] (d. [[1467]])
** [[Domenico Capranica]], Italian theologian, [[Canon law|canonist]], statesman, and [[Cardinal (Catholic Church)|cardinal]] (d. [[1458]])
** [[Pietru Caxaro]], Maltese [[philosopher]] and poet (d. [[1485]])
** [[Eleanor, Duchess of Gloucester]] noblewoman, first the mistress and then the second wife of [[Humphrey, Duke of Gloucester]] (d. [[1452]])
* ''probable''
** [[Marina Nani]], Venetian dogaressa (d. [[1473]])
** [[Giovanna Dandolo]], Venetian dogaressa (d. after [[1462]])
** [[Johannes Gutenberg]]<ref>{{cite book | last = Childress | first = Diana | title = Johannes Gutenberg and the Printing Press | url = https://archive.org/details/johannesgutenber0000chil | url-access = registration | publisher = Twenty-First Century Books | place = Minneapolis | year = 2008 | isbn = 978-0-7613-4024-9 |page=14}}</ref> (d. [[1468]])