Events of 1331

• September 8 - Stefan Dusan declares himself king of Serbia.
• September 24 - Edward Balliol is enthroned as King of Scotland.
• September 27 - Battle of Płowce: The German Teutonic Knights and the Poles battle to a draw.
• Ibn Battuta visits Kilwa.
• The Genkō War begins in Japan.

Births

• February 16 - Coluccio Salutati, Florentine political leader (d. 1406)
• April 30 - Gaston III of Foix-Béarn (d. 1391)
• October 4 - James Butler, 2nd Earl of Ormonde (d. 1382)
• date unknown
• Hamidüddin Aksarayî, teacher of Islam (d. 1412)
• Blanche d'Évreux, queen consort of France (d. 1398)
• probable - Salvestro de' Medici, provost of Florence (d. 1388)

Also see 1331 births.

Deaths

• January 14 - Odoric of Pordenone, Italian explorer
• April 17 - Robert de Vere, 6th Earl of Oxford (b. c. 1257)
• May 12 - Engelbert of Admont, abbot of Admont in Styria
• October 27 - Abulfeda, Arab historian and geographer (b. 1273)
• November 11 - Stefan Uroš III Dečanski of Serbia (b. c. 1285)
• December 26 - Philip I of Taranto (b. 1278)
• December 30 - Bernard Gui, inquisitor (b. 1261/2)
• date unknown - Matilda of Hainaut, Princess of Achaea (b. 1293)

Also see 1331 deaths.