1421


 * For the controversial hypothesis advanced by, see: . For the book, see: .

Year 1421 was a (link will display the full calendar) of the.

Events of 1421

 * - . A small French force surprises and defeats a smaller English force under, a brother of , in.
 * -, of the  dies and is succeeded by his son.
 * November 17–19 - . The coastal area near in the  was flooded due to extremely high tide of the . 72 villages were drowned, killing about 10,000 people.
 * ,, sells his estates to ,
 * The first is issued by the.
 * In a proposed by Gavin Menzies, supposedly the year that Chinese explorer  discovered the Americas, beating Columbus by about 70 years.

Births

 * -, English politician (died )
 * - King (died )
 * date unknow
 * , Buddhist priest and Japanese poet (died )
 * , mistress of
 * , ruler of the Khmer Empire (died )

Deaths

 * -, lord of (assassinated)
 * -, second son of (killed in battle) (born )
 * May -, ruler of Zeta
 * -, (b. )
 * date unknown - (born )