1427
# 1427

Year 1427 (MCDXXVII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar.

## Events

### January–December

* January – Spring – Radu II of Wallachia resumes the throne for the fourth time, but a seven-year struggle for it ends when he is defeated in battle, and probably killed, by Dan II, who resumes the throne for a fifth term.
* April – The House of Balsic's rule of Montenegro comes to an end with the death of Balša III.
* August 4 – Hussite Wars – Battle of Tachov: The Hussites decisively beat the crusader armies, ending the Fourth Anti-Hussite Crusade.
* August 17 – The first band of Gypsies visits Paris, according to an account of the citizens of Paris.
* October 13 – Lincoln College, a constituent college of the University of Oxford in England, is founded by the Bishop of Lincoln.

### Date unknown

* Gabriel V is elected Patriarch of the Coptic Church for the second time.
* Minrekyansa becomes King of Ava (ancient Burma).
* The Conflict of Druimnacour occurs in Sutherland, Scotland.
* The first witch hunts begin, in Switzerland.
* The Celestine Order is established in France.
* The Celebration of Sant Jordi (Saint George) begins in Catalonia (he will later become its patron saint).
* Bremen is expelled from the Hanseatic League.
* Diogo de Silves, Portuguese navigator, discovers seven islands of the Azores archipelago.
* Battle of the Echinades: A Byzantine fleet defeats the fleet of Carlo I Tocco.
* Itzcoatl becomes the 4th Tlatoani of Tenochtitlan, after his nephew Chimalpopoca is killed by the Maxtla, at Azcapotzalco.
* Bhaktapur Royal Palace (in Nepal) is built by King Yaksa Malla.

## Births

* February 27 – Ruprecht, Archbishop of Cologne (d. 1480)
* May 8 – John Tiptoft, 1st Earl of Worcester, Lord High Treasurer (d. 1470)
* May 29 – Françoise d'Amboise, duchess consort of Brittany, co-founder of the first monastery of the Carmelites in France (d. 1485)
* June 22 – Lucrezia Tornabuoni, Italian writer, adviser and spouse of Piero di Cosimo de' Medici (d. 1482)
* September 9 – Thomas de Ros, 9th Baron de Ros, English politician (d. 1464)
* October 26 – Archduke Sigismund of Austria (d. 1496)
* November 24 – John Stafford, 1st Earl of Wiltshire (d. 1473)
* November 29 – Zhengtong Emperor of China (d. 1464)
* November 30 – Casimir IV Jagiellon, King of Poland (d. 1492)
* date unknown – Shen Zhou, Chinese painter (d. 1509)

## Deaths

* April 17 – John IV, Duke of Brabant (b. 1403)
* May 7 – Thomas la Warr, 5th Baron De La Warr, English churchman
* May 28 – Henry IV, Count of Holstein-Rendsburg (b. 1397)
* July 19 – Stefan Lazarević, Despot of Serbia (b. 1377)
* date unknown
   * Chimalpopoca, Aztec Tlatoani (ruler) of Tenochtitlán (b. 1397)
   * Qu You, Chinese novelist (b. 1341)
* probable
   * Jehuda Cresques, Catalan cartographer (b. 1350)
   * Gentile da Fabriano, Italian painter
   * Radu II Prasnaglava, ruler of Wallachia, probably killed in or after a lost battle
