January 9– A rebellion by peasants in Finland against the Swedish government, led by Anian Daavid, is ended by the Swedish Army after intervention by the Bishop of Turku. After confiscation of some untillable land to compensate other landowners for damages, the peasants are pardoned upon taking an oath never to rise up against the Swedish Crown again.
January 17– As part of Ming China's campaign against the Möng Mao kingdom in south China, General Fang Zheng, commander of 295,000 troops, attacks the stockade of the Mao kingdom's General Si Renfa and forces the enemy to retreat southward, after which he continues in pursuit. However, by this time his troops are exhausted and his supply lines are cut off. He requests reinforcements, but Mu Sheng sends only a small number as he is angry that Fang Zheng has disobeyed orders. Fang Zheng is then defeated at Kongni where he has pursued Si Renfa, and "fell into an ambush of the elephant phalanx of his enemy", at which point he orders his son to escape, and dies with his troops
January– In Vietnam, a rebellion of the barbarians in Phục Lễ province, supported by the Laotian army, against King Lê Thái Tông under the Lê dynasty, is defeated.
March 26– Meeting in Germany, the Diet of Mainz, summoned by the new Holy Roman Emperor, Frederick III, to consider the case of Pope Eugene IV, votes to deprive Eugene of his authority within the Empire and to elect a new Diet to meet in Frankfurt in 1440.
May 16– Pope Eugene, already found to be in contempt of the Council of Basel, is declared by the Council to be a heretic.
June 10–Joseph II, the leader of the Eastern Orthodox Church as the 155th Ecumenical Patriarch of Constantinople, dies after a reign of 23 years, leaving a vacancy that is used by the Roman Catholic Pope Eugene IV to declare a unification of the two churches to end the East–West Schism of 1054.
August 28– Pope Eugene IV sends a message of unity to the Emperor of Ethiopia, Qostantinos I, but the proposal for a union with the Ethiopian Orthodox Christian Church is not acknowledged.
October 30– The Council of Basel begins a conclave to elect its own successor to Pope Eugene IV, whom it had deposed on June 25.
November 2– A Great Ordinance is adopted by the French Estates-General. This measure grants the king the exclusive right to raise troops, and establishes the taxation measure known as the taille, in support of a standing army.
Plymouth becomes the first town incorporated by Parliament.
November 22– Following up on the declaration of union of the Roman Catholic Church with the Greek Orthodox Church, Pope Eugene IV signs an agreement of union with the Armenian Apostolic Church.
↑József Köblös; Szilárd Süttő; Katalin Szende (2000). "1474. Lengyel-magyar békekötés (Ófalui béke)" [1474. Polish-Hungarian peace conclusion (peace of Ófalu)]. Magyar Békeszerződések 1000–1526[Hungarian peace treaties 1000–1526] (in Hungarian). Pápa, Hungary: Jókai Mór Városi Könyvtár. pp.198–206. ISBN963-00-3094-2.
↑.Liew, Foon Ming (1996). "The Luchuan-Pingmian Campaigns (1436–1449) in the Light of Official Chinese Historiography". Oriens Extremus. 39 (2): 173. JSTOR24047471.
↑Campbell, John, Lives of the Chief Justices of England, (3rd ed.)(London: John Murray 1874)
↑Kazimierz Jasiński, Rodowód Piastów śląskich (Lineage of the Piast Dyansty of Silesia) (Ossoliński National Institute. 1977), pp. 166-167.
↑Byrne, Francis John (2001), Irish Kings and High-Kings, Dublin: Four Courts Press, ISBN978-1-85182-196-9
↑Malvinni, Paolo Domenico (2008). Galee tra le montagne. Poster trentino. p.39.
↑Mała Encyklopedia Wojskowa (Small Military Encyclopedia). Warsaw: Wydawnictwo Ministerstwa Obrony Narodowej (Ministry of National Defense Publishing House). 1967.