Editing 1403 (section)

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* [[Jan Hus]] begins preaching [[John Wyclif|Wycliffite]] ideas in [[Kingdom of Bohemia|Bohemia]].
* In [[China]], the [[Yongle Emperor]] of the [[Ming dynasty]]
** moves the capital from [[Nanjing]] to [[Beijing]].
** commissions the ''[[Yongle Encyclopedia]]'', one of the world's earliest and largest known general encyclopedias.
** orders his coastal provinces to build a vast fleet of ships, with construction centered at Longjiang near [[Nanjing]]; the inland provinces are to provide wood and float it down the [[Yangtze River]].
* [[The temple of a city God|The Temple of a City God]] is constructed in [[Shanghai]].
* The [[Gur-e Amir]] Mausoleum is built in [[Samarkand]] by [[Timur]], after the death of his grandson [[Muhammad Sultan Mirza|Muhammad Sultan]], and eventually becomes the family mausoleum of the [[Timurid dynasty]].
* [[Kingdom of Georgia|Georgia]] makes peace with [[Timur]], but has to recognise him as a suzerain and pay him tribute.
* The world's first [[quarantine]] station, the [[Lazzaretto Vecchio]], is built in [[Republic of Venice|Venice]], to protect against the [[Black Death]].
* Grand Duke [[Vytautas]] ends his alliance with [[Grand Duchy of Moscow|Muscovy]], and captures [[Vyazma]] and [[Smolensk]].
* [[Stefan Lazarević]] establishes [[Belgrade]], as the capital of the [[Serbian Despotate]].
* A guild of stationers is founded in the [[City of London]]. As the [[Worshipful Company of Stationers and Newspaper Makers]] (the "Stationers' Company"), it continues to be a [[livery company]] in the 21st century.
* In [[Lordship of Ireland|Ireland]]
** Tadhg Ruadh mac Maelsechlainn O Cellaigh succeeds Conchobar an Abaidh mac Maelsechlainn O Cellaigh, as King of [[Hy-Many]], in present-day counties [[County Galway|Galway]] and [[County Roscommon|Roscommon]].
** Maolmhordha mac Con Connacht succeeds Giolla Iosa mac Pilib, as King of [[Kingdom of Breifne|East Breifne]], in present-day counties [[County Leitrim|Leitrim]] and [[County Cavan|Cavan]].
* ''probable'' &ndash; Ououso becomes King of [[Nanzan]], in present-day south [[Okinawa Prefecture|Okinawa]], [[Japan]].
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