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|1428 by topic|
|Arts and science|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1428 in poetry|
|Ab urbe condita||2181|
|Balinese saka calendar||1349–1350|
|English Regnal year||6 Hen. 6 – 7 Hen. 6|
|Chinese calendar||丁未年 (Fire Goat)|
4125 or 3918
— to —
戊申年 (Earth Monkey)
4126 or 3919
|- Vikram Samvat||1484–1485|
|- Shaka Samvat||1349–1350|
|- Kali Yuga||4528–4529|
|Japanese calendar||Ōei 35 / Shocho 1|
|Minguo calendar||484 before ROC|
|Thai solar calendar||1970–1971|
1554 or 1173 or 401
— to —
1555 or 1174 or 402
- February 2 – 1428 Catalonia earthquake. The earthquake takes place during Candlemas, striking the region of Catalonia, especially Roussillon, with an epicentre near Camprodon. The earthquake is one of a series of related seismic events that shake Catalonia in a single year. Beginning on 23 February 1427, tremors are felt in March, April, 15 May at Olot.
- May – Joan of Arc makes her first attempt to reach the Armagnac court at Chinon in support of Charles VII of France but is rebuffed.
- June 3 – Dan II leads an army against the Ottomans at Golubac Fortress, obtaining a treaty that will allow him a semi-peaceful rule in Wallachia, until 1432.
- August 7 – The Valais witch trials begin in Swiss Savoy.
- August 30 – Emperor Go-Hanazono accedes to the throne of Japan.
- 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.
- The Aztec Empire is formed by the triple alliance of the Aztec city-states Tenochtitlán, Texcoco and Tlacopán and defeats Azcapotzalco to win control of the Valley of Mexico. Itzcóatl becomes 1st emperor.
- A serious fire occurs at Baynard's Castle in the City of London, England.
- Lam Sơn uprising: Lê Lợi, founder of the Lê dynasty in Vietnam, liberates Annam (the territory occupied by Ming dynasty China in 1407) and restores the kingdom as Đại Việt.
- February 3 – Helena Palaiologina, Queen of Cyprus (d. 1458)
- April 7 – William Percy, late medieval Bishop of Carlisle (d. 1462)
- May 3 – Pedro González de Mendoza, Spanish cardinal and statesman (d. 1495)
- July 4 – Filippo Strozzi the Elder, Italian banker (d. 1491)
- September 21 – Jingtai Emperor of China (d. 1457)
- November 2 – Yolande, Duchess of Lorraine (d. 1483)
- November 22 – Richard Neville, 16th Earl of Warwick, English nobleman, known as "the Kingmaker" (d. 1471)
- December 4 – Bernard VII, Lord of Lippe (1429–1511) (d. 1511)
- date unknown – Donato Acciaioli, Italian scholar (d. 1478)
- Maria Ormani, Italian artist, scribe and illuminator
- probable – Didrik Pining, German explorer (approximate date)
- January 4 – Frederick I, Elector of Saxony (b. 1370)
- February 3 – Ashikaga Yoshimochi, Japanese shōgun (b. 1386)
- June 12 – Zawisza Czarny, Polish knight and diplomat
- August 27 – John I of Münsterberg, Duke of Ziebice (b. 1370)
- August 30 – Emperor Shōkō, emperor of Japan (b. 1401)
- Autumn – Masaccio, Italian painter (b. 1401)
- November 3 – Thomas Montacute, 4th Earl of Salisbury, English military leader (mortally wounded in battle) (b. 1388)
- November 4 – Sophia of Bavaria, Queen regent of Bohemia (b. 1376)
- date unknown
- probable – John Purvey, English theologian (b. 1353)
- Joan Toralles describes the Olot quake in a brief notice in his Noticiari.
- Banda, E.; Correig, A. M. (1984), "The Catalan earthquake of February 2, 1428", Engineering Geology, Elsevier, 20 (1–2): 89–97, Bibcode:1984EngGe..20...89B, doi:10.1016/0013-7952(84)90045-0
- DeVries, Kelly (1999). Joan of Arc: A Military Leader. Stroud: Sutton Publishing. pp. 40–1. ISBN 9780750918053. OCLC 42957383.
- Burns, William E. (2003). Witch Hunts in Europe and America: An Encyclopedia. Greenwood Publishing Group. p. 296. ISBN 9780313321429.
- The First Biography of Joan of Arc: Translated and Annotated by Daniel Rankin and Claire Quintal. University of Pittsburgh Pre. February 15, 1964. p. 67. ISBN 978-0-8229-7540-3.
- Richardson, John (2000). The Annals of London: A Year-by-year Record of a Thousand Years of History. University of California Press. p. 63. ISBN 9780520227958.
- "Richard Neville, 16th earl of Warwick | English noble | Britannica". www.britannica.com. April 10, 2023. Retrieved May 28, 2023.
- Wiltshire Notes and Queries. 1905. p. 489.