For alternative meanings, see number 1440.

Years: 1437 1438 1439 - 1440 - 1441 1442 1443

Decades: 1410s 1420s 1430s - 1440s - 1450s 1460s 1470s

Centuries: 14th century - 15th century - 16th century

Events

• Itzcóatl, Aztec ruler of Tenochtitlan dies and is succeeded by Moctezuma I, Moctezuma Ilhuicamina.
• End of term for Regent of Sweden Karl Knutsson Bonde.

Births

• January 22 - Ivan III, grand duke of Moscow (+ 1505)
• February 22 - Ladislaus Posthumus of Bohemia and Hungary
• Johannes Martini, Franco-Flemish composer

Deaths

• Itzcóatl, Aztec ruler of Tenochtitlan
• Giovanni Vitelleschi, condottiere and bishop of Recanati