Some suggest he visited Rome with his friend Donatello before returning to Florence in 1431.

In 1421, at age 8, Frederick was betrothed to Princess Jadwiga of Lithuania, but she died on 8 December 1431, before the marriage could take place, purportedly poisoned by her stepmother Sophia of Halshany.

When the English captured Joan of Arc in 1431, Beaufort presided at her trial before she was burned at the stake.

The Seventeenth Ecumenical Council of the western church was convoked as the Council of Basel ( Basle in the once-preferred English spelling ) by Pope Martin V shortly before his death in February 1431 and took place in the context of the Hussite wars in Bohemia and the rise of the Ottoman Empire.

His first documented commission, the Cantoria (" Singing Gallery "; 1431 – 1438 ) for the Cathedral of Florence proves that he must have been an accomplished artist long before joining the Sculptors Guild in 1432.

In 1431, he toured Tuscany, Lombardy, Romagna, and Ancona before returning to Siena to prevent a war against Florence.

** Archibald Campbell, Master of Campbell ( d. c. 1431 – 1440 ) ( eldest son of the 1st Lord, died before his father was created a Lord of Parliament )

Rivers writes that Menzies contradicts himself by saying elsewhere in his book that Taccola had started his work on his technical sketches in 1431, when Zheng He's fleet was still assembled in China, and that the Italian engineer finished his technical sketches in 1433 — one year before the purported arrival of the Chinese fleet.

Sometime before 1431 the Abbess and Convent received permission by letters patent from King Henry VI ( 1422 – 1461 ), the son of the founder and who was particularly favourable to Syon, having made it several grants and confirmations in rapid succession, to move the monastery to a new site of their own choosing some mile and a half downstream to a riverbank site within Isleworth parish.

It seems that this building, apparently living quarters or “ mansion ” must have been started several years before 1431 to have been described as “ completed ” in the letters of patent issued before 1431

His writs of summonses to Parliament were addressed first to Reginaldo La Warr 1427 – 1429, then to Reginaldo West 1431 – 1449 ; he was not summoned before his brother-in-law died.

The Islesmen rose again in September 1431 and inflicted two important defeats on the king's men — Mar's army was beaten at Inverlochy and Angus Moray ’ s in a fierce battle near Tongue in Caithness.

Expanded and improved over time, on 4 September 1434 it was seized by Charles VII of France, after its owner, Louis d ' Amboise, was convicted of plotting against Louis XI and condemned to be executed in 1431.

Andrea Mantegna (; c. 1431 – September 13, 1506 ) was an Italian painter, a student of Roman archeology, and son in law of Jacopo Bellini.

# Infante John of Portugal, also known as John of Coimbra, ( 1431 or 1433 – between July and 11 September 1457 ) ( son of Infante Pedro, Duke of Coimbra and grandson of King John I of Portugal ), in May 1456 in Nicosia.

In September 1431, Poland and Lithuania signed a two-year truce ; however, on August 31, 1432, a group of nobles deposed Švitrigaila in support of Sigismund Kęstutaitis, brother of Vytautas.

Kervyn de Lettenhove's text includes the portions of the chronicle covering the periods September 1419 to October 1422, January 1430 to December 1431, 1451 – 1452, July 1454 to October 1458, July 1461 to July 1463, and, with omissions, June 1467 to September 1470 ; and three volumes of minor pieces of considerable interest, especially Le Temple de Boccace, dedicated to Margaret of Anjou, and the Déprécation for Pierre de Brézé when imprisoned by Louis XI.

In 1431 he was deputed by John II, king of Castile, to attend the council of Basel, in which he made himself conspicuous by his learning.

The Angkorian monarchy survived until 1431, when the Thai captured Angkor Thom and the Cambodian king fled to the southern part of the country

Somdet Phra Ramesuan Boromma Trailokanat Bopit () ( 1431 – 1488 ) was the king of Ayutthaya from 1448 to 1488.

It combined an idealization of the Angkor Empire ( 802 – 1431 ), with an existential fear for the existence of the Cambodian state, which had historically been liquidated under Vietnamese and Siamese intervention.

The death in 1431 of Princess Jadwiga, the last heir of Piast blood, released Władysław to make his sons by Sophia of Halshany his heirs, though he had to sweeten the Polish nobles with concessions to ensure their agreement, since the monarchy was elective.

On 23 July 1431, his legate Giuliano Cesarini opened the council, which had been convoked by Martin V, but, distrustful of its purposes and emboldened by the small attendance, the pope issued a bull on 18 December 1431 that dissolved the council and called a new one to meet in eighteen months at Bologna.

Rouen became the capital city of English power in occupied France and when the duke of Bedford, John of Lancaster bought Joan of Arc from his ally, the duke of Burgundy who had been keeping her in jail since May 1430, she was logically sent to this city for Christmas 1430 and after a long trial by a church court, sentenced to be burned at the stake on 30 May 1431 in this city, where most inhabitants supported the duke of Burgundy, Joan of Arc's royal enemy.

Louis had been adopted by her in 1431, and she now left her inheritance to René.

The end of the Angkorian period is generally set as 1431, the year Angkor was sacked and looted by Ayutthaya invaders, though the civilization already had been in decline in the 13th and 14th centuries.

Sigismund, King of Hungary and titular King of Bohemia, had been defeated at the Battle of Domažlice in the fifth crusade against the Hussites in August 1431, and under his sponsorship the Council negotiated a peace with Calixtine faction of the Hussites in January, 1433.

Tsongkhapa had many students, his two main disciples being Gyaltsab Je ( 1364 – 1431 ) and Khedrub Je ( 1385 – 1438 ).

In 1431, Bedford had Joan tried and executed at Rouen, then arranged a coronation for the young Henry VI at Paris.

Nezahualcoyotl, the wisest ruler that had ever ruled over Anahuac Valley-as he was known at that time-was finally crowned Tlatoani of Texcoco in 1431.

Buckingham had been Lieutenant-General of Normandy between 1430 and 1432 and was created, in 1431, the Count of Perche, a province in English-occupied Normandy by King Henry VI.

* John Neville, 1st Marquess of Montagu ( 1431 – 1471 ), married Isabel Ingaldesthorpe, had issue.

Negotiations for this purpose were to take place at the ecumenical council which had been summoned to meet at Basel on 3 March 1431.

At the end of the Hussite Wars in 1431 the lands of Bohemia had been totally ravaged.

Two hundred years later, Henry VI also had two coronations ; as King of England in London in 1429, and as King of France in Paris in 1431.

The letters patent authorising the move, which were ratified by a grant by the King dated 1431, make clear that some of the new buildings had already been started and indeed completed:

In 1448 Paston's manor of Gresham was seized by Robert Hungerford, Lord Moleyns ( 1431 – 1464 ), and, although it was afterwards recovered, the owner could obtain no redress for the loss and injury he had sustained.

He first married, at Nantes in 1431, Yolande of Anjou ( d. 1440 ), daughter of Louis II of Anjou and had a son Renaud, Count of Montfort who died young.

With his mistress, the aforementioned Alison du May ( murdered in Nancy in 1431 ), he had five children:

The city had hosted the Council of Basel from 1431 to 1447, and, in 1460, a university was founded, which eventually would attract many notable thinkers, such as Erasmus or Paracelsus.

Taking into account the different spellings of this " generatio Percal " due to the variations Parkly and Perkly in Dalmatia, the name of a farm near Linlithgow Palace in Scotland, which had been built in the 14th century by a 1st cousin of the grandmother of this Peter de genere Percal, was mentioned in 1431 also as Parkly.

The Speke family had the lordship from 1431 to 1791 when it was bought by the Pouletts of Hinton St George.