Editing 1423 (section)

=== April&ndash;June ===
* [[April 13]] &ndash; [[Hundred Years' War]]:.The [[Treaty of Amiens (1423)|Treaty of Amiens]] is signed as a mutual defense treaty between the Duchy of Burgundy, the Duchy of Brittany and the Kingdom of England.<ref>John A. Wagner, ed., ''Encyclopedia of the Hundred Years War'' (Greenwood Publishing, 2006)</ref>
* [[April 15]] &ndash; [[Francesco Foscari]] is elected the new [[Doge of Venice|Doge]] of the [[Republic of Venice]] after the death of [[Tommaso Mocenigo]]. He will serve as the Venetian Republic's executive for 34 years before being forced to abdicate a few days before his death in 1457.<ref>"Foscari, Francesco", by Luigi Villari, in the ''Encyclopædia Britannica '' (11th edition) (Cambridge University Press, 1911), Volume 10, p.730</ref>
* [[April 27]] &ndash; [[Hussite Wars]] &ndash; [[Battle of Hořice]]: The [[Taborites]] decisively beat the [[Utraquists]].<ref>{{cite book|author1=Thomas A. Fudge|author2=Helen J. Nicholson|title=The Crusade Against Heretics in Bohemia, 1418-1437: Sources and Documents for the Hussite Crusades|url=https://books.google.com/books?id=3rhnAAAAMAAJ|year=2002|publisher=Ashgate|isbn=978-0-7546-0801-1|page=x}}</ref>
* [[April 28]] &ndash; [[Ashikaga Yoshimochi]] abdicates as [[shogun]] of [[Japan]] and is succeeded by his son, [[Ashikaga Yoshikazu]].<ref>{{cite book|author1=Kiyoshi Ito|title=『足利義持』吉川弘文館〈人物叢書〉|year=2008|isbn=978-4-642-05246-7|page=154|publisher=吉川弘文館 }}</ref>
* [[May 18]] &ndash; The [[Treaty of Melno]] signed on September 27 to end the [[Gollub War]] between the [[State of the Teutonic Order]] (on the Baltic Sea, with a capital at [[Malbork|Marienburg]]) and the alliance of Poland and Lithuania, is ratified by all three parties.<ref name=Jucas>Mečislovas Jučas, ''The Battle of Grünwald'' (National Museum Palace of the Grand Dukes of Lithuania, 2009) p.112</ref>
* [[May 22]] &ndash; [[Byzantine–Ottoman Wars]]: After a two-day battle, [[Turakhan Beg]], Ottoman governor of [[Thessaly]], breaks through the [[Hexamilion wall]], and ravages the [[Peloponnese]] Peninsula in Greece.<ref>{{cite encyclopedia|article=Turakhān Beg|first=Franz|last=Babinger|encyclopedia=E.J. Brill's First Encyclopaedia of Islam|orig-year=1913–1936|volume=VIII|editor-first=Martijn Theodoor|editor-last=Houtsma|publisher=Brill|location=Leiden|year=1993|isbn=90-04-09796-1|url=https://books.google.com/books?id=ro--tXw_hxMC&pg=PA876|pages=876–878}}</ref>
* [[May 23]] &ndash; The Sultan of Gujarat, [[Ahmad Shah I]] is finally able to return home to reassume the throne.<ref name=Ahmedabad/>
* [[June 10]] &ndash; Gil Sánchez Muñoz y Carbón, a Spanish Roman Catholic bishop, is elected by bishops in [[Avignon]] as the third "[[antipope]]", succeeding the late [[Antipope Benedict XIII]]. , who had died on May 23 after a reign of more than 20 years. Sánchez Muñoz takes the name of [[Antipope Clement VIII]]<ref>"Antipope Clement VIII (1423-1429)", by Salvador Miranda, in ''Cardinals of the Holy Roman Church'' (Florida International University, 1998)</ref> as the Avignon clergy disagree with [[Pope Martin V]] of Rome.