* 1331 – Gaston III, Count of Foix ( d. 1391 )

* John ( 1331 – 1358 ), Lord of Elche, Biel and Bolsa, married in 1355 to Isabel Núñez de Lara and was killed by order of his cousin Pedro of Castile.

* 1310 – 1331: Abou Saïd Othman

* 1331 – 1348: Abou el-Hassan ben Othman

* 1331 – James Butler, 2nd Earl of Ormonde ( d. 1382 )

Among his sons, Giacomo ( died 1379 ) was created cardinal by Gregory XI in 1371, while Nicola ( August 27, 1331 – February 14, 1399 ) obtained the counties of Ariano and Celano.

* 1331 – The Battle of Płowce between the Kingdom of Poland and the Teutonic Order is fought.

* 1331 – Stephen Uroš IV Dušan declares himself king of Serbia

* October 18 – James Butler, 2nd Earl of Ormonde ( b. 1331 )

* 1273 – November – Abulfeda, Arab historian and geographer ( d. 1331 )

* 1286 – Odoric of Pordenone, famous traveller ( approximate date ; d. 1331 )

* May 4 – Coluccio Salutati, Chancellor of Florence ( b. 1331 )

* Maol Íosa V, Earl of Strathearn, 1330-4, Earl of Caithness & Orkney, 1331 – 50

* Gentoku ( 1329 – 1331 )

* Genkō ( 1331 – 1334 )

Coluccio Salutati ( February 16, 1331 – May 4, 1406 ) was a Tuscan humanist and man of letters, and one of the most important political and cultural leaders of Renaissance Florence ; as chancellor of the Republic and its most prominent voice, he was effectively the permanent secretary of state in the generation before the rise of the Medici.

His daughter Elizabeth de Badlesmere ( 1313 – 8 June 1356 ), was married firstly ( 27 June 1316 ) to Sir Edmund Mortimer ( 1302 – 17 December 1331 ), eldest son of Roger Mortimer, 1st Earl of March and Joan de Geneville, Baroness Geneville.

# Beatrice of Savoy ( 1310 – 1331 ), married in 1327 to Henry VI, Duke of Carinthia, count of Tirol

* Sancho Alfonso, 1st Lord of Ledesma ( 1331 – 1343 )

* Kunigunde of Poland ( c. 1298 – 9 April 1331 ).

* Eruptive history and geochronology of Mount Mazama and the Crater Lake region, Oregon, Charles R. Bacon and Marvin A. Lanphere, Geological Society of American Bulletin v. 118, p. 1331 – 1359 ( 2006 )

* Constance ( 1304 / 1306 – after 19 June 1344 ), married in 1317 to Henry II of Cyprus ; on 29 December 1331 to Leo V of Armenia ; and in 1343 to John of Lusignan, brother of Peter I of Cyprus.

In 1329 Duke John of Ścinawa paid homage to King John of Bohemia, who upon the death of John's brother Duke Przemko II of Głogów in 1331 invaded the lands, which were incorporated into the Kingdom of Bohemia and shared the political fortunes of the Silesian crown land.

In 1331 the town was elevated to the rank of city by John I, Count of Luxemburg, and King of Bohemia.

In 1331, permission to build city walls was given by John the Blind, King of Bohemia and Poland and a Count of Luxembourg.

On 8 July 1331, the pope admonished King Robert to withhold no longer the papal decrees against Michael of Cesena nor prevent their publication in his kingdom.

In 1331 war broke out between Gerhard and King Christopher II, ending in Danish defeat.

Stephen Dušan (, ), commonly known as Stephen Dušan and Dušan the Mighty ( Душан Силни ; c. 1308 – 20 December 1355 ), was the King of Serbia ( from 8 September 1331 ) and Emperor of the Serbs and Greeks ( from 16 April 1346 ) until his death on 20 December 1355.

* King Stefan Dečanski ( 1321 – 1331 )

* Emperor Dušan ( Dušan the Mighty ) ( 1331 – 1355 ), King of Serbia ( 1331 – 1346 ); Tsar of Serbs and Greeks ( 1346 – 1355 )

* King Stephen Uroš III Dečanski of Serbia ( 1321 – 1331 )

Thus it was held by Roland de Dinan, a Breton lord, in 1167 ; Robert de Beaumont, 4th Earl of Leicester before 1204 ; Theodoric the Teuton, a servant of King John, after 1204 ; William Marshal, 2nd Earl of Pembroke, in 1217, and intermittently by the third and fourth Earls up to 1237 ; Simon de Steyland, the King's clerk, around 1237 ; John son of Geoffrey, described as " of the lands of the Bretons ", from 1240 ; Nicholas of Ely, Bishop of Winchester, from about 1272 ; and then by three successive queens: Queen Eleanor, Queen Margaret, and Queen Isabella, from 1280 until 1331.

King Levon IV doing justice by Sarkis Pitzak, 1331

* Stephen IV of Serbia ( c. 1285 – 1331 ), King of Serbia

Blanche of Navarre () ( 1331 – 5 October 1398 ) was Queen consort of France as the wife of King Philip VI of France.

* Blanche of Navarre ( 1331 – 1398 ), second wife of King Philip VI of France ( 1293 – 1350 ).

However the legend says that coat of arms was granted by King Władysław Łokietek to a peasant soldier ( and his family ) after the Battle of Płowce ( 1331 ) in which the Polish armies defeated the 40, 000-strong force of the Teutonic Knights with minimal casualties.

Philip I of Taranto ( 10 November 1278 – 26 December 1331 ): of the Angevin house, was titular Emperor of Constantinople ( as Philip II ), despot of Epirus, King of Albania, Prince of Achaea and Taranto, and Lord of Durazzo.

čelnik Đuraš Ilijić ( 1326 – 1362 ) held Upper Zeta, including the city, subordinate to King Stefan Dečanski ( r. 1321 – 1331 ), and Emperors Dušan the Mighty ( r. 1331 – 1355 ) and Uroš the Weak ( r. 1355-1371 ).

Stephen Uroš III (, Stefan Uroš III, ), commonly known as Stephen Dečanski Dečani ( Дечански, ; 1285 – 11 November 1331 ) was King of Serbia from January 6, 1322 to 8 September 1331.

* Ivan Stephen of Bulgaria ( died after 1343 ), tsar 1330 – 1331

* Emperor Stephen Uroš IV Dušan of Serbia ( 1331 – 1355 )