December

• December 10–11 – King Birger of Sweden has his brothers, Dukes Eric and Valdemar, captured and thrown into a dungeon during the Nyköping Banquet, as a revenge for their imprisonment of him in the Håtuna games in 1306. As the dukes soon starve to death in the dungeon, their followers rebel against the king, throwing Sweden into civil war, in which the king is deposed in 1318.

Date unknown

• The Great Famine of 1315-1317 comes to an end.
• Pope John XXII erects the dioceses of Luçon, Maillezais, and Tulle and issues the decretal Spondent Pariter prohibiting alchemy, but not chemistry (which John himself had studied).
• A Hungarian document mentions for the first time Basarab as leader of Wallachia (historians estimate he was on the throne since about 1310). Basarab will become the first voivode of Wallachia as an independent state, and founder of the House of Basarab.

Births

• Michael 2nd Baron Poynings, English knight (d. 1369)
• Euphemia of Sweden, princess (d. 1370)

Deaths

• February 7 – Robert, Count of Clermont, French founder of the House of Bourbon (b. 1256)
• c. June 23 – Thawun Gyi, ruler of Toungoo, assassinated (b. c. 1258)
• October 8 – Emperor Fushimi of Japan (b. 1265)
• November 28 – Yishan Yining, Zen monk and writer from China who taught in Japan (b. 1247)
• date unknown
  • Ramkhamhaeng the Great, King of Sukhothai (b. 1239)
  • Madhvacharya, Indian saint (b. 1238)
  • Agnes of Montepulciano, Italian saint (b. 1268)
  • Boniface of Verona
  • John I Orsini, Count of Cephalonia

References