Editing 1421 (section)

=== January&ndash;March ===
* [[January 13]] &ndash; [[Al-Muzaffar Ahmad]] becomes the [[List of Mamluk sultans|Mamluk sultan of Egypt and Syria]] upon the death of his father, [[Al-Mu'ayyad Shaykh]]<ref name="EB1911/9">{{Cite EB1911|wstitle= Egypt/3 History |volume= 9 |last= Margoliouth |first= David Samuel |author-link= David Samuel Margoliouth | page=102 |quote=...(January 13th, 1421), and another infant son, Aḥmad, was proclaimed with the title Malik al-Moẓaffar, the proclamation being followed by the usual dissensions between the amirs, ending with the assumption of supreme power by the amir Tatar, who, after defeating his rivals, on the 29th of August 1421 had himself proclaimed sultan with the title Malik al-Ẓāhir}}</ref> 
* [[January 19]] &ndash; The coronation of [[John VIII Palaiologos]] as the [[List of Byzantine emperors|Emperor]] of [[Byzantium]], the "Eastern Roman Empire", takes place in [[Constantinople]].<ref>''[[Prosopographisches Lexikon der Palaiologenzeit]]'', "[https://archive.org/details/ErichTrappProsopographischesLexikonDerPALAIOLOGENZEIT/page/n3909 Palaiologos, Ioannes VIII.]"</ref><ref>{{Cite book |last=Speake |first=Graham |url=https://books.google.com/books?id=3ockEAAAQBAJ&pg=PA852 |title=Encyclopedia of Greece and the Hellenic Tradition |publisher=[[Routledge]] |year=2021 |isbn=9781135942069 |pages=852}}</ref>
* [[February 2]] &ndash; China's [[Yongle Emperor]], third emperor of the [[Ming dynasty]], shifts the Ming capital from [[Nanjing]] to [[Beijing]].
* [[February 23]] &ndash; The coronation of Catherine of Valois as Queen consort of England takes place at [[Westminster Abbey]].<ref>{{Cite book |last=Strickland |first=Agnes |title=Lives of the Kings and Queens of England from the Norman Conquest |publisher=Cambridge University Press |year=1854 |isbn=9780511736421 |location=Cambridge |publication-date=2010 |pages=106-107}}</ref>
*[[March 3]] &ndash; [[Zheng He]] receives an imperial order from the Yongle Emperor to begin the [[Ming treasure voyages]], carrying imperial letters, silk products and other gifts to various rulers of countries around the Indian Ocean.<ref>{{cite journal |last=Duyvendak |first=J. J. L. |title=The True Dates of the Chinese Maritime Expeditions in the Early Fifteenth Century |journal=T'oung Pao |year=1939 | volume=34 |issue=5 |page=385 |author-link=J. J. L. Duyvendak| jstor=4527170 |doi=10.1163/156853238X00171}}</ref>
* [[March 12]] &ndash; In his campaign to rid Germany of Jewish people, [[Albert II of Germany|Albert V, Duke of Austria]] issues a death sentence against wealthy Jews who had been imprisoned as part of his order of May 23, 1420. On March 12, [[Vienna Gesera|the burning at the stake of 120 women and 92 women]] is carried out south of the city walls of [[Vienna]].<ref>[https://www.jewishvirtuallibrary.org/wiener-gesera Wiener Gesera], ''Jewish Virtual Library''</ref><ref>{{Cite book |last=Graetz |first=Heinrich |url=https://books.google.com/books?id=hwUNAAAAIAAJ&pg=PA223 |title=History of the Jews |date=1894 |publisher=Jewish Publication Society of America |language=en}}</ref> 
* [[March 17]] &ndash; 12 Rabi al-Awwal 824 AH: [[Ibrahim ibn Hasan ibn Ajlan]] and his brother [[Barakat ibn Hasan]] are confirmed by the Mamluk Egyptian Sultan [[Al-Muzaffar Ahmad]] as [[Sharif of Mecca|co-Emirs of Mecca]].<ref>{{cite book |author-last=al-Ghāzī |author-first=‘Abd Allāh ibn Muḥammad |editor1=‘Abd al-Malik ibn ‘Abd Allāh ibn Duhaysh |title=Ifādat al-anām |date=2009 |publisher=Maktabat al-Asadī |location=Makkah |pages=283-284 |language=Arabic |volume=3}}</ref>
* [[March 21]] &ndash; [[Battle of Baugé]]: A small French force, led by [[Gilbert Motier de La Fayette]], surprises and defeats a smaller English force under [[Thomas, Duke of Clarence]], a brother of King [[Henry V of England]], in [[Normandy]]. Thomas, heir to the throne and Crown Prince as  is killed in the attack, along with about 1,000 other of men.<ref>{{cite book|author=Cambridge Antiquarian Society (Cambridge, England)|title=Proceedings of the Cambridge Antiquarian Society|url=https://books.google.com/books?id=68QRAAAAIAAJ|year=1958|publisher=Deighton Bell|pages=37–38|language=en}}</ref>