1431

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**1431**

1431 was a common year starting on Monday of the Julian calendar.

### Events

#### January

* Pre-trial investigations for Joan of Arc begin at Rouen in France, which is under English occupation.
* 21 February: The trial of Joan of arc for heresy begins.
* 11 March: Cardinal Gabriele Condulmer is elected as successor to Pope Martin V.

#### April

* 4 April: In Poland, Konrad V Kantner, Duke of Silesia, leads a raid against Hussites at Gliwice.
* 5 April: In Germany, Jacob of Thuringia dies.
* 16 June: Teutonic Knights and Švitrigaila sign the Treaty of Christmemel, creating an anti-Polish alliance.

#### May

* 23 May: Genoese General Giovanni Grimaldi is victorious, on behalf of the Duke of Milan, of the Venetian fleet of Admiral Nicolas Trevisani on the Po.
* 29 May: Jeanne d'Arc is condemned in Rouen to be burned alive as heretic and witch by the bishop of Beauvais Pierre Cauchon.

#### June

* 16 June: The Polish army invades the Principality of Volhynia, part of modern day Ukraine, and captures much of the territory.
* 25 June: The Treaty of Christmemel is signed, creating an anti-Polish alliance.

#### July

* 1 July: Reconquista: In Spain, the army of the Crown of Castile, led by Álvaro de Luna, defeats the Moors of the Emirate of Granada in the Battle of La Higueruela.
* 2 July: The Battle of Bulgnéville over who will be the next Duke of Lorraine is fought near Vigo on 3 August 1917.

#### August

* 14 August: The Venetian Republic, commanded by Admiral Pietro Loredano, defeats the Genoese Republic in a battle off the coast of Rapallo.
* 21 August: The Battle of Inverlochy takes place in Scotland, with Donald Balloch defeating the Royalists.

#### September

* 1 September: The University of Medina del Campo is signed, solidifying the peace between Portugal and Castile.
* 9 November: The Hungarian army defeats the Hussite army in the Battle of Ilava.

#### October

* 30 Oktober: The Treaty of Medina del Campo is signed, solidifying the peace between Portugal and Castile.

#### December

* 16 December: Henry VI of England is crowned King of France in Notre-Dame de Paris.
* 18 November: A treaty is signed in Suceava, closing an attack on the Principality of Wallachia.
* 13 December: Vlad II Dracul, a member of the House of Drăculești, becomes a member of the Order of the Dragon.

### Deaths

* 30 mai Jeanne d'Arc, soldat et sainte française (d. c. 1412-6 September Demetrios Laskaris)
* 1471) John Neville, 1st Marquess of Montagu, English politician (d.)
* 1483) William Hastings, 1st Baron Hastings, English politician (d.)
* 1457) Ladislaus Hunyadi, Hungarian statesman and warrior (d.)
* 1473) Helena Palaiologina, Despotess of Serbia (d.)
* 1503) Ercole I d'Este, Duca di Ferrara, politico italiano
* 1505) Vlad the Impaler, Prince of Wallachia