Year 1341 (MCCCXLI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.
January 1 – An earthquake affects Crimea, Ukraine with a magnitude of 6.0 and a maximum Mercalli intensity of VIII (Severe).
January 18 – The Queen's College, a constituent college of the University of Oxford in England, is founded.
April 8 – Petrarch is crowned poet laureate in Rome, the first man since antiquity to be given this honor.
September–October: The Byzantine civil war of 1341–1347 between John VI Kantakouzenos and the regency for the infant John V Palaiologos breaks out.
The Breton War of Succession begins over the control of the Duchy of Brittany.
Margarete Maultasch, Countess of Tyrol, expels her husband John Henry of Bohemia, to whom she had been married as a child. She subsequently marries Louis of Bavaria without having been divorced, which results in the excommunication of the couple.
Tbilisi becomes a capital of European Christian Cathedra after city Smirna. George V (the brilliant) returns Jerusalem and Grave of Christ from Muslims.
Saluzzo is sacked by Manfred V of Saluzzo.
Casimir III of Poland builds a masonry castle in Lublin and encircles the city with defensive walls.
The Chinese poet Zhang Xian writes the Iron Cannon Affair about the destructive use of gunpowder and the cannon.
The sultan of Delhi chooses Ibn Battuta to lead a diplomatic mission to Yuan Dynasty China.
The great flood in the river Periyar in modern-day southern India led to the river changing its course, closing of Muziris, opening up of Cochin (Kochi) harbour submersion of some islands and birth of some new islands.
June 5 – Edmund of Langley, son of King Edward III of England (d. 1402)
September 1 – Frederick III the Simple, King of Sicily (d. 1377)
November 10 – Henry Percy, 1st Earl of Northumberland, English statesman (d. 1408)
date unknown
Bonne of Bourbon, Countess of Savoy (d. 1402)
Hermann II, Landgrave of Hesse (d. 1413)
Louis, Duke of Durazzo (d. 1376)
Qu You, Chinese novelist (d. 1427)
January 22 – Louis I, Duke of Bourbon (b. 1279)
March 2 or October 3 – Martha of Denmark, queen consort of Sweden (b. 1277)
April 30 – John III, Duke of Brittany (b. 1286)
June – Al-Nasir Muhammad, Sultan of Egypt (b. 1295)
June 19 – Juliana Falconieri, Italian saint (b. 1270)
June 15 – Andronikos III Palaiologos, Byzantine Emperor (b. 1297)
August 9 – Eleanor of Anjou, queen consort of Sicily (b. 1289)
August 28 – King Levon IV of Armenia (murdered) (b. 1309)
December – Gediminas, Duke of Lithuania
December 4 – Janisław I, Archbishop of Gniezno
date unknown
Petrus Filipsson, Archbishop of Uppsala
Uzbeg Khan, Khan of the Golden Horde (b. 1282)
Nicholas I Sanudo, Duke of the Archipelago
Bartholomew II Ghisi, Lord of Tenos and Mykonos, Triarch of Negroponte
probable – Richard Folville, English outlaw and parson (resisting arrest)
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