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|1354 by topic|
|Political entities - State leaders - Religious leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1354 in poetry|
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- Early in the year – Ibn Battuta returns from his travels at the command of Abu Inan Faris, sultan of Morocco, who appoints a scribe to write an account of the adventures.
- February 12 – The Treaty of Stralsund settles border disputes between the duchies of Mecklenburg and Pomerania.
- October 8 – Cola di Rienzo, self-proclaimed "tribune" of Rome, is killed by an angry mob.
- December 10 – The reign of John VI Kantakouzenos as Byzantine Emperor is ended, after John V Palaiologos retakes Constantinople and is restored as sole emperor.
- After 24 years of struggling for independence, since the Battle of Posada (1330), won against Hungarians by his father, Nicholas Alexander of Wallachia becomes vassal to Hungarian king Louis I.
- The Ottoman Turks capture the cities of Kallipolis and Didymoteicho from the Byzantine Empire.
- The Lao kingdom of Lan Xang is established by Fa Ngum.
- Sahab-ud-Din becomes Sultan of Kashmir.
- Assassins strike down Sultan Hassan, and his body is never returned.
- Constance of Castile, wife of John of Gaunt (d. 1394)
- Denis, Lord of Cifuentes, infante of Portugal (d. c.1397)
- Alonso Enríquez, Spanish nobleman (d. 1429)
- Frederick III, Count of Moers, German nobleman (d. 1417)
- Gilbert de Greenlaw, Scottish bishop (d. 1421)
- Jean de Grouchy, Norman knight (k. 1435)
- Margaret of Joinville, French noblewoman (d. 1418)
- Thomas de Morley, 4th Baron Morley, English nobleman (d. 1416)
- Eric IV, Duke of Saxe-Lauenburg (d. 1411/12)
- Roger de Scales, 4th Baron Scales, English nobleman (d. 1387)
- Catherine of Vendôme, French noblewoman (d. 1412)
- Violante Visconti, Italian noblewoman (d. 1386)
- Walram IV, Count of Nassau-Idstein, German nobleman (d. 1393)
- January 8 – Charles de La Cerda (b. 1327)
- January 16 – Joanna of Châtillon, Duchess of Athens (b. c. 1285)
- August 9 – Stephen, Duke of Slavonia, Hungarian prince (b. 1332)
- September 7 – Andrea Dandolo, doge of Venice (b. 1306)
- October 5 – Giovanni Visconti, Italian Roman Catholic cardinal (b. 1290)
- October 8 – Cola di Rienzo, Roman tribune (b. c. 1313)
- October 19 – Yusuf I, Sultan of Granada (b. 1318)