1421. Second crusade against the Bohemian Hussites.
1422. Death of Henry V of England and Charles VI of France; the former is succeeded by his infant son; he is proclaimed King of England and France; his uncles, the Duke of Gloucester, regent in England, and the Duke of Bedford in France; Charles VII, son of Charles VI, is proclaimed by the French.
Constantinople besieged by Amurath II, Sultan of Turkey.
1423. Frederick the Warlike, Margrave of Misnia, assumes the electorate of Saxony and establishes the house of Wettin.
1424. James I of Scotland, released after a captivity of nineteen years, marries a daughter of the Earl of Somerset; he assumes the government of Scotland.
John Ziska is succeeded by Procopius the Great as head of the Taborites, a division of the Hussites.
1425. Accession of John Palæologus II as emperor of Byzantium.
John and Hulbert van Eyck, masters of the early Flemish school, invent painting in oil.
1426. Lubeck and the Baltic Hanse Towns support the Duke of Holstein against Eric XIII of Sweden.
Great Hussite victory at Aussig.