Year 1446 (MCDXLVI) was a common year starting on Saturday (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))+(-10(X)+50(L))+5(V)+1(I) = 1446). Events January–December September 27 – Battle of Otonetë: Skanderbeg defeats the Ottomans. Before October – Sultan Mehmed II of the Ottoman Empire is forced to abdicate, in favor of his father Murad II, by the Janissaries. October 9 – The hangul alphabet is created in Korea, by King Sejong the Great of Joseon. The Hunmin Jeongeum, published during the year, is considered the start of this brand new scientific writing system. October – Murad II invades Attica, forcing Constantine XI to return Thebes to the duchy of Athens, and remove the tribute imposed in 1444. Murad II imposes his own tribute. December 10 – After hesitating for several weeks, Sultan Murad II, of the Ottoman Empire, destroys the Hexamilion wall, in an assault that includes cannons. Murad and the Ottoman governor of Thessaly, Turakhan Beg, ravage the Peloponnese Peninsula at will, with the Sultan devastating the northern shore, while Glarentza and Turakhan raid in the interior. The Despotate of the Morea is turned into an Ottoman vassal state. Date unknown Nuno Tristão is killed by natives on the coast of Senegal. Portuguese navigator Álvaro Fernandes reaches the mouth of the Casamance River in Senegal. The Precious Belt Bridge in China is fully reconstructed. In Italy, the siege of Cremona, by the condottieri troops of Francesco Piccinino and Luigi dal Verme, is raised after the arrival of Scaramuccia da Forlì. The Blarney Stone is set into a tower of Blarney Castle in Blarney, County Cork in Ireland. Births April 18 – Ippolita Maria Sforza, Italian noble (d. 1484) May 3 Frederick I of Liegnitz, Duke of Chojnów and Strzelin from 1453 (d. 1488) Margaret of York, duchess consort of Burgundy by marriage to Charles the Bold (d. 1503) August 14 – Andrey Bolshoy, Russian royal (d. 1493) December 26 – Charles de Valois, Duke de Berry, French noble (d. 1472) date unknown – Edmund de Ros, 10th Baron de Ros, English politician (d. 1508) probable Alexander Agricola, Flemish composer (d. 1506) William Grocyn, English scholar (d. 1519) Pietro Perugino, Italian painter (d. 1524) Deaths April 15 – Filippo Brunelleschi, Italian architect (b. 1377) May 9 – Mary of Enghien, Queen of Naples (b. 1367) May