Events

• January 6 - Constantine XI is crowned Byzantine Emperor. He will be the last in a line of rulers that can be traced to the founding of Rome.
• April 7 - The last Antipope, Felix V abdicates.
• April 19 - Pope Nicholas V elected by the Council of Basel
• April 25 - The Council of Basel dissolves itself.
• September 8 - Battle of Tumu Fortress - Oirat Mongols defeat the Chinese Ming Dynasty army and capture Zhengtong Emperor of China
• French capture Rouen

Births

• January 1 - Lorenzo de' Medici, Italian statesman (died 1492)
• October 21 - George Plantagenet, 1st Duke of Clarence, brother of Edward IV of England and Richard III of England (died 1478)
• Domenico Ghirlandaio, Italian artist (died 1494)
• Fritz Herlen, German painter (died 1491)

Deaths

• October 27 - Ulugh Beg, Turkish ruler and astronomer (born 1394)
• Anne Beauchamp, 15th Countess of Warwick (born 1443)

1449

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