This article needs additional citations for verification. (July 2017)
|Ab urbe condita||2071|
|Balinese saka calendar||1239–1240|
|English Regnal year||11 Edw. 2 – 12 Edw. 2|
|Chinese calendar||丁巳年 (Fire Snake)|
4014 or 3954
— to —
戊午年 (Earth Horse)
4015 or 3955
|- Vikram Samvat||1374–1375|
|- Shaka Samvat||1239–1240|
|- Kali Yuga||4418–4419|
|Japanese calendar||Bunpō 2|
|Minguo calendar||594 before ROC|
|Thai solar calendar||1860–1861|
1444 or 1063 or 291
— to —
1445 or 1064 or 292
- March – King Birger of Sweden is deposed, and forced to flee to Denmark (alternative date is April).
- April 1 – Berwick-upon-Tweed is retaken by the Scottish from the English.
- April – The inhabitants of Benevento, Italy rise against the Pope, and demand some political autonomy. The rebellion is crushed by William of Frejus, and the archbishop of Naples.
- May 11 – Battle of Dysert O'Dea: The Irish armies of Conor O'Dea defeat the Hiberno-Normans under Richard de Clare.
- June 27 – Mats Kettilmundsson is appointed regent (rikshövitsman) of Sweden, in the absence of a Swedish king.
- October 14 – Battle of Faughart: A Hiberno-Norman force defeats a Scots-Irish army commanded by Edward Bruce (who is killed in the battle), ending the Bruce campaign in Ireland.
- Emperor Go-Daigo succeeds Emperor Hanazono on the throne of Japan.
- Pope John XXII declares the doctrines of the Franciscans, advocating ecclesiastical poverty, erroneous.
- Disease hits cattle and sheep, reducing the herds and flocks in Europe.
- Qala'un Mosque, Cairo, Egypt is founded by Al-Nasr Muhammad.
- February 14 – Marguerite of France, queen of Edward I of England (b. 1282)
- October 14 – Edward Bruce, High King of Ireland (b. 1275)
- November 22 – Mikhail Yaroslavich, Russian prince (b. 1271)
- date unknown
- Llywelyn Bren, Welsh rebel
- Heinrich Frauenlob, Bohemian musician
- Rashid-al-Din Hamadani, Persian writer and historian (b. 1247)
- Erik Magnusson, Swedish Duke, brother of King Birger (starved in a dungeon at Nyköpingshus)
- Valdemar Magnusson, Swedish Duke, brother of King Birger (starved in a dungeon at Nyköpingshus)
- Uginet, F. (1968). "La vie à l'abbaye de Sainte-Sophie de Bénévent dans la première moitié du XIVe siècle". Mélanges d'archéologie et d'histoire. 80. 80 (2): 681–704. doi:10.3406/mefr.1968.7564.
- Panton, James (2011). Historical Dictionary of the British Monarchy. Scarecrow Press. p. 173. ISBN 978-0-8108-7497-8.