Editing 1412 (section)

=== April&ndash;June ===
* [[April 12]] &ndash; [[Albert V, Duke of Mecklenburg|Albert V]], son of the former King of Sweden, [[Albert, King of Sweden|Duke Albert IV]], becomes the [[List of rulers of Mecklenburg|Duke of Mecklenburg]] (now part of [[Germany]] upon the death of his father.
* [[May 7]] &ndash; In [[Cairo]], [[Al-Musta'in (Cairo)|Abu’l-Faḍl Abbas Al-Musta'in]], the [[List of Abbasid caliphs#Caliphs of Cairo (1261–1517)|Caliph of Cairo]], is installed by rebels as the new [[List of Mamluk sultans|Sultan of Egypt]] as a temporary replacement for his father, the Sultan An-Nasir Faraj.<ref name="Holt">{{Cite encyclopedia |last=Holt |first=Peter Malcolm |author-link=Peter Holt (historian)|encyclopedia=[[Encyclopaedia of Islam|The Encyclopaedia of Islam: New Edition]] |title=Al-Musta'in (II) |edition=2nd |year=1993 |publisher=E.J. Brill |volume=VII (Mif – Naz) |location=Leiden |isbn=978-90-04-09419-2 |page=723}}</ref> Al-Musta'in serves as the puppet ruler for six months before he returns to full time duty as the Caliph.
* [[May 16]] &ndash; [[Gian Maria Visconti]], the [[List of dukes of Milan|Duke of Milan]] since [[1402]], is assassinated in front of the church of [[San Gottardo, Milan|San Gottardo]] in Milan by a party of [[Milan]]ese [[Ghibellines]] on the orders of his terminally ill rival, [[Facino Cane]]. Visconti is stabbed in the leg and then in his head.<ref>{{Cite book|first=Giorgio|last=Giulini|title = Continuazione delle memorie spettanti alla storia, al governo, ed alla descrizione della Città e della campagna di Milano nei Secoli Bassi|year = 1856|editor = Francesco Colombo|location=Milan|publisher = Massimo Fabi|volume =VI |pages=151–152}}</ref> [[Filippo Maria Visconti]], Gian Maria's son, becomes the new Duke of Milan. 
* [[May 18]] &ndash; The [[Treaty of Bourges]]  is signed between King Henry IV of England and Charles, Duke of Orléans, as the [[Armagnac (party)|Armagnacs]] offer England full sovereignty over [[Aquitaine]] and [[Gascony]] in return for 4,000 troops and military aid against the [[Burgundians]] and [[John the Fearless]].<ref>{{Cite book |url=https://www.worldcat.org/oclc/876466903 |first=David |last=Green|title=The Hundred Years War: a people's history|date=2014|publisher=Yale University Press|isbn=978-0-300-13451-3|location=New Haven|pages=44|oclc=876466903}}</ref>
* [[May 23]] &ndash; [[An-Nasir Faraj]], the [[Mamluk Sultanate|Mamluk]]  [[List of Mamluk sultans|Sultan of Egypt and Syria]], is stabbed to death in [[Damascus]] after surrendering to the Emirs of Syria. Nawruz al-Hafizi becomes ruler of the Syrian provinces and Faraj's son [[Al-Musta'in (Cairo)|Al-Musta'in]] is confirmed as ruler of the Egyptian territory.<ref name=Muir>{{cite book|title=The Mameluke; or, Slave dynasty of Egypt, 1260-1517, A. D.|first=William |last=Muir|author-link=William Muir|year=1896|publisher=Smith, Elder and Co.}}</ref>
* [[June 14]] &ndash; The [[Antipope John XXIII]] signs an agreement with King [[Ladislaus of Naples]], paying him 75,000 [[florin]]s (262.5 kg or 9,375 oz. of gold), investing Ladislaus with the Neapolitan crown, and naming him as [[Gonfalonier of the Church]] within the Papal States. In return, King Ladislaus agrees to expel Pope Benedict XII from Naples and to recognize John as the Pope of the Roman Catholic Church.<ref>{{cite web |last=Kiesewetter |first=A. |title=LADISLAO d'Angiò Durazzo, re di Sicilia|url=http://www.treccani.it/enciclopedia/ladislao-d-angio-durazzo-re-di-sicilia_(Dizionario-Biografico)/ |work=Dizionario Enciclopedico degli Italiani |publisher=[[Enciclopedia Italiana]] |access-date=May 21, 2011}}</ref>
* [[June 24]] &ndash; [[Compromise of Caspe]]: By a vote of nine delegates (three each from the Kingdom of Aragon, the Kingdom of Valencia and the Principality of Catalonia), [[Ferdinand I of Aragon|Ferdinand of Antequera]] is selected as  the new King of Aragon and King of Sicily, after a two year succession crisis that arose from 1410 death of  [[Martin I of Sicily|King Martin]].<ref>{{cite book |last=Zurita |first=Jerome  |date=1562 |title=Anales de la Corona de Aragón |trans-title=Annals of the Crown of Aragon|volume=XI|chapter=87}}</ref>
* [[June 28]] &ndash; As the Compromise of Carpe is read aloud by Friar [[Vicent Ferrer]] before a crowd, Ferdinand I is proclaimed as the King of Aragon by the deleagates at Caspe.<ref>{{cite journal |last=Bonneaud |first=Pierre |title=Le Rôle politique des ordres militaires dans la Couronne d'Aragón pendant l'interrègne de 1410 à 1412 à travers les ''Anales'' de Zurita |journal=Aragón en la Edad Media |volume=14 |year=1999 |pages=131–132}}</ref>