1421

1421 was a common year.

Millennium:	2nd millennium
Centuries:	14th century – 15th century – 16th century
Decades:	1390s  1400s  1410s  – 1420s –  1430s  1440s  1450s
Years:	1418 1419 1420 – 1421 – 1422 1423 1424

Events of 1421

• March 21 – Battle of Baugé. A small French force surprises and defeats a smaller English force under Thomas, Duke of Clarence, a brother of Henry V of England, in Normandy.
• May 26 – Mehmed I, Sultan of the Ottoman Empire dies and is succeeded by his son Murad II.
• November 17–19 – St. Elizabeth flood. The coastal area near Dordrecht in the Netherlands was flooded due to an extremely high tide of the North Sea. 72 villages were drowned, killing about 10,000 people.
• John III of Dampierre, Marquis of Namur, sells his estates to Philip the Good, Duke of Burgundy.
• The first patent is issued by the Republic of Florence.
• In a theory proposed by Gavin Menzies, supposedly the year that Chinese explorer Hong Bao and Zhou Wen discovered the Americas, beating Columbus by about 70 years.

Births

• July 25 – Henry Percy, 3rd Earl of Northumberland, English politician (died 1461)
• December 6 – King Henry VI of England (died 1471)
• date unknown
  • Sogi, Buddhist priest and Japanese poet (died 1502)
  • Agnès Sorel, mistress of Charles VII of France
  • Ponhea Yat, ruler of the Khmer Empire (died 1467)

Deaths

• January 21 – Niccolò I Trinci, lord of Foligno (assassinated)
• March 22 – Thomas of Lancaster, 1st Duke of Clarence, second son of Henry IV of England (killed in battle) (born 1388)
• May – Balša III, ruler of Zeta
• May 26 – Mehmed I, Ottoman Sultan (b. 1389)
• date unknown – John FitzAlan, 13th Earl of Arundel (born 1385)