1428

Year 1428 was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar.

Events of 1428

* October 12 - English forces under Thomas Montacute, 4th Earl of Salisbury, besiege Orléans. Jean de Dunois, the Bastard of Orléans, commands the defenders.
* October 24 - Thomas Montacute, 4th Earl of Salisbury, is mortally wounded in an unsuccessful assault on Orléans. He is succeeded in command by William de la Pole, 4th Earl of Suffolk.
* August 30 - Emperor Go-Hanazono accedes to the throne of Japan.
* Itzcóatl becomes ruler of the Aztecs. He eventually begins the construction of Tenochtitlan.
* The Aztec Triple Alliance (also known as "The Aztec Empire") forms with the alliance of three Aztec city-states: Tenochtitlán, Texcoco, and Tlacopán.
* A serious fire occurs at Baynard's Castle in London.
* Voices tell Joan of Arc that the dauphin must be crowned and the English expelled from France.

Births

* May 3 - Pedro González de Mendoza, Spanish cardinal and statesman (d. 1495)
* September 21 - Jingtai Emperor of China (d. 1457)
* November 22 - Richard Neville, 16th Earl of Warwick, English kingmaker (d. 1471)
*"date unknown" - Donato Acciaioli, Italian scholar (d. 1478)
*"probable" - Didrik Pining, German explorer (approximate date)

Deaths

*February 3 - Ashikaga Yoshimochi, Japanese shogun (b. 1386)
*June 15 - Paulus Venetus, Catholic theologian
*August 27 - Jan Piast, Duke of Ziebice (b. 1370)
*August 30 - Emperor Shoko of Japan (b. 1401)
*November 3 - Thomas Montacute, 4th Earl of Salisbury, English military leader (mortally wounded in battle) (b. 1388)
*December 27 - Elizabeth Lacković, Croatian-Hungarian noblewoman
*"date unknown"
**Zawisza Czarny, Polish knight and diplomat
**Maxtla, Tepanec ruler of Azcapotzalco
*"probable"
**Tommaso Masaccio, Italian painter (b. 1401)
**John Purvey, English theologian (b. 1353)