Editing 1438 (section)

=== January&ndash;March ===
* [[January 1]] &ndash; [[Albert II of Habsburg]] is crowned as [[List of Hungarian monarchs|King of Hungary]] at [[Székesfehérvár]].Ráth, Károly, ''A magyar királyok hadjáratai, utazásai és tartózkodási helyei, nyomtatott'' ("The campaigns, travels and residences of the Hungarian kings")(Győr: Sauervein Gézánál, 1861)
* [[January 8]] &ndash; Upset at the attempted reforms at the [[Council of Basel]] in Switzerland, [[Pope Eugene IV]] convenes a rival council at [[Ferrara]] in Italy, through [[Niccolò Albergati]], the Roman Cahtolic Bishop of Bologna, with 40 prelates in attendance.<ref name=Gregorovius>Ferdinand Gregorovius, [https://books.google.com/books?id=SQ-uIjEZvB4C&pg=PA66|''History of the city of Rome in the Middle Ages.''] (London: G Bell & Sons, 1909) p.66</ref>
* [[January 9]] &ndash; The city of [[Cluj-Napoca|Cluj]] (Kolozsvár) is conquered, thus marking the end of the [[Transylvanian peasant revolt]], which started at Bobâlna.
* [[January 24]] &ndash; The [[Council of Basel]], with only 16 bishops present, votes to suspend Pope Eugene from papal authority.<ref>Stieber, Joachim W. (1978) [https://books.google.com/books?id=5R%202clxgcr4C ''Pope Eugene IV, the Council of Basel, and the Secular and Ecclesiastical Authorities in the Empire: The conflict over supreme authority and power in the Church.''] (Leiden: Brill, 1978) pp. 49–51]</ref> 
* [[February 2]] &ndash; The ''[[Unio Trium Nationum]]'' pact is established in Transylvania.
* [[February 10]] &ndash; [[All Souls' College, Oxford|All Souls' College]] is founded in the [[University of Oxford]] by [[Henry Chichele]], Archbishop of Canterbury, and [[Henry VI of England]] as a graduate institution.<ref name=CBH>{{cite book|last=Palmer|first=Alan|last2=Palmer |first2=Veronica|year=1992|title=The Chronology of British History|publisher=Century Ltd|location=London|isbn=978-0-7126-5616-0}}</ref>
* [[February 15]] &ndash; Pope Eugene issues the bull "Exposcit debitum", declaring the council at Ferrara an ecumenical council, and commanding the prelates at Basel to appear at Ferrara within a month or face [[excommunication]].<ref>Georgius Hofmann (ed.), [https://books.google.com/books?id=KnQKAQAAMAAJ&pg=PA6 ''Epistolae pontificiae ad Concilium Florentinum spectantes''] (Rome: Pontifical Oriental Institute 1944), no. 121, pp. 6–10</ref>
* [[March 17]] &ndash; [[Albert II of Germany]] is approved by the electors in the Holy Roman Empire as the [[King of the Romans]], the ruler of [[Germany]].