As King Henry VI of England recovers from a three-month bout with mental illness, Richard Plantagenet, Duke of York steps down as Protector of the Realm and the King resumes his duties. The Duke of York had served as regent since November 19, and had previously been Lord Protector for 10 months during 1454 and 1455.
March 12– After a session of eight months that had started on July 9, 1455, the English Parliament adjourns at Westminster. Royal assent is given by King Henry VI to bills passed, including the Importation Act 1455, banning the import for the next five years of woven silk goods (including ribbons and girdles) that had been manufactured outside of England, and subjecting importers to heavy fines. and the Embezzlement Act, allowing civil remedies by executors of estates to recover goods that had been stolen by servants from their masters.
March 13– The papal bullInter caetera is issued by Pope Callixtus III, recognizing the rights of the Kingdom of Portugal to colonize any territories its explorers discover on the West African coast, and making the non-Christian natives of those colonies perpetual vassals of the King of Portugal.
April–June
April 5–Skanderbeg, leader of the Albanians in their fight against the Ottomans, pardons Moisi Galemi, a former officer who had defected to the Ottomans and was then defeated by Skanderbeg at the Battle of Oranik.
July 22– At the Battle of Nándorfehérvár, the Hungarians under John Hunyadi rout the Turkish army of Sultan Mehmed II. The noon bell ordered by Pope Callixtus III commemorates the victory throughout the Christian world (and hence is still rung). Hunyadi dies two months later when a plague sweeps the Hungarian camp.
July 29– A treaty is signed at Toruń between the Kingdom of Poland and mercenaries led by Oldrzych Czerwonka with Poland purchasing the 21 fortresses of Czerwonka's people in exchange for 463,794 florins (1.62 million grams or 58,000 ounces of gold).
December 5–A 7.4 magnitude earthquake (estimated subsequently by geologists), the first of two on the Italian peninsula, strikes near Pontelandolfo (at the time, part of the Papal States) at 11:00 at night and kills as many as 70,000 people.
↑Babinger, Franz (1978). Mehmed the Conqueror and His Time. Bollingen Series 96. Translated from the German by Ralph Manheim. Edited, with a preface, by William C. Hickman. Princeton, New Jersey: Princeton University Press. ISBN0-691-09900-6.
↑"Vasily II Vasilievich", in Veliky Novgorod: History and Culture of the 9th to 17th centuries, ed. by A. M. Stepanov (St. Petersburg: Nestor-Istoriya 2007)
↑Lewis, Matthew (2016). Richard, Duke of York: King by Right. Stroud: Amberley Publishing. ISBN978-1-4456-4744-9.
↑William Cunningham, The Growth of English Industry and Commerce during the Early and Middle Ages. Fifth Edition (Cambridge: Cambridge University Press, 1915), p. 429