Year 1464 (MCDLXIV) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. It is one of eight years (CE) to contain each Roman numeral once (1000(M)+(-100(C)+500(D))+50(L)+10(X)+(-1(I)+5(V)) = 1464). Events January–December April 25 – Battle of Hedgeley Moor in England: Yorkist forces under John Neville defeat the Lancastrians under Sir Ralph Percy, who is killed. May 1 – Edward IV of England secretly marries Elizabeth Woodville, and keeps the marriage a secret for five months afterwards. May 15 – Battle of Hexham: Neville defeats another Lancastrian army, this one led by King Henry and Queen Margaret themselves. This marks the end of organized Lancastrian resistance for several years. June 11 – A 15-year-truce between the kingdoms of England and Scotland is signed. June 18 – Pope Pius II himself shoulders the cross of the Crusades, and departs for Ancona to participate in person. He names Skanderbeg general captain of the Holy See, under the title Athleta Christi. This plan forces Skanderbeg to break his ten-year peace treaty with the Ottomans signed in 1463, by attacking their forces near Ohrid. June 23 – Christian I of Denmark and Norway, who is also serving as King of Sweden, is declared deposed from the latter throne. His deposed predecessor Charles VIII of Sweden is re-elected to the throne on August 9. August 21 – Emperor Go-Hanazono of Japan abdicates, and is succeeded by his son, Emperor Go-Tsuchimikado. August 30 – Pope Paul II succeeds Pope Pius II, as the 211th pope. Date unknown In China, a small rebellion occurs in the interior province of Huguang, during the Ming Dynasty; a subsequent rebellion springs up in Guangxi, where a rebellion of the Miao people and Yao people forces the Ming throne to respond, by sending 30,000 troops (including 1,000 Mongol cavalry) to aid the 160,000 local troops stationed in the region, to crush the rebellion that will end in 1466. Jehan Lagadeuc writes a Breton-French-Latin dictionary called the Catholicon. It is the first French dictionary as well as the first Breton dictionary of world history, and it will be published in 1499. Tenguella, the founder of the Empire of Great Fulo, becomes chief of the Fula people. Births April 23 Robert Fayrfax, English Renaissance composer (d. 1521) Joan of France, Duchess of Berry (d. 1505) May 6 – Sophia Jagiellon, Margravine of Brandenburg-Ansbach, Polish princess (d. 1512)