Died in 1424

Jan 4 Muzio Sforza an Italian condottiero. Founder of the Sforza dynasty, he led a Bolognese-Florentine army at the Battle of Casalecchio
May 10 Emperor Go-Kameyama the 99th emperor of Japan, according to the traditional order of succession. He ruled from 1383 to October 21, 1392, becoming the last Emperor of the Southern Court. His personal name was Hironari
Jun 5 Braccio da Montone an Italian condottiero.
Jun 10 Ernest Duke of Austria Duke of Styria, Carinthia and Carniola from 1406 until his death. He was a member of the Habsburg dynasty, of the Leopoldian line, whose head of the family he was from 1411 to 1424
Jun 16 Johannes Ambundii a German ecclesiastic. Ambundii is thought to be born in the area of Stettin in Pomerania. He studied at the Juristical University of Prague, and graduated in 1391. Later, he got his doctor in theology and canonical law
Aug 12 Yongle Emperor the third emperor of the Ming Dynasty in China, reigning from 1402 to 1424.
Aug 17 John Stewart Earl of Buchan a Scottish nobleman and soldier who fought alongside Scotland's French allies during the Hundred Years War. In 1419 he was sent to France by his father the Duke of Albany, Regent of Scotland, with an army of 6,000 men. Stewart led the combined Franco-Scottish army at the Battle of Baugé on 21 March 1421, where he comprehensively defeated the English forces, proving that the English could at last be beaten. However, two years later, Stewart was defeated and captured by Thomas Montacute, 4th Earl of Salisbury at the Battle of Cravant in 1423. After the battle he was exchanged, and after his release in 1424 he was appointed Constable of France making him the effective Commander-in-Chief of the French army. On 17 August 1424 Buchan was killed at the disastrous Battle of Verneuil, along with most of the Scottish troops in France
Aug 17 John VIII Count of Harcourt a count of Aumale. He was the son of John VII of Harcourt, count of Harcourt, and of Marie of Alençon, a "princess of the blood"