1355

Year 1355 (MCCCLV) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.

January–December

 * January 6 – Charles IV of Bohemia is crowned with the Iron Crown of Lombardy as King of Italy in Milan.
 * January 7 – King Alphonso IV of Portugal sends three men who kill Inês de Castro, beloved of his son Peter, who revolts and incites a civil war.
 * February 10 – St Scholastica Day riot in Oxford, England, breaks out, leaving 63 scholars and perhaps 30 locals dead in two days.
 * March 16 – Red Turban Rebellions: Han Lin'er, a claimed descendant of Emperor Huizong of Song, is proclaimed emperor of the restored Song dynasty in Bozhou.
 * April – Philip II, Prince of Taranto, marries Maria of Calabria, daughter of Charles, Duke of Calabria, and Marie of Valois.
 * April 5 – Charles IV is crowned Holy Roman Emperor in Rome.
 * April 18 – In Venice, the Council of Ten beheads Doge Marin Falier, for conspiring to kill them.
 * August – Battle of Nesbit Moor: The Scottish army decisively defeats the English.
 * September 1 – The old town of Visoki is first mentioned in Tvrtko I of Bosnia's charter in castro nostro Vizoka vocatum.
 * October 5–December 2 – Hundred Years' War: Black Prince's chevauchée of 1355: A large mounted Anglo-Gascon force under the command of Edward the Black Prince marches from Bordeaux in English-held Gascony 300 miles (480 km) south to Narbonne and back, devastating a wide swathe of French territory.

Date unknown

 * Battle of Ihtiman: The Ottoman Turks defeat the Bulgarian Empire.
 * Red Turban Rebellions: Guo Zixing dies, leaving his forces to the command of his son-in-law, Zhu Yuanzhang. Guo's successors are later killed in battle while trying to capture Nanjing.

Births

 * January 7 – Thomas of Woodstock, 1st Duke of Gloucester, son of King Edward III of England (d. 1397)
 * August 16 – Philippa Plantagenet, Countess of Ulster (d. 1382)
 * October 10 – Zhu Biao, eldest son of the Hongwu Emperor and crown prince of the Ming dynasty (d. 1392)


 * probable
 * Acamapichtli, 1st tlatoani (monarch) of Tenochtitlan (modern Mexico City), 1375-1395 (d. 1395)
 * Manuel Chrysoloras, Byzantine humanist (d. 1415)
 * Konrad von Jungingen, German 25th Grand Master of the Teutonic Order
 * Gemistus Pletho, Greek scholar
 * Foelke Kampana, Frisian lady and regent (d. 1418)
 * Mircea I of Wallachia (d. 1418)

Deaths

 * January 7 – Inês de Castro, lover of King Peter I of Portugal (murdered) (b. 1325)
 * April 17 – Marin Falier, Doge of Venice (b. 1285)
 * April 22 – Eleanor of Woodstock, countess regent of Guelders, eldest daughter of King Edward II of England (b. 1318)
 * August 3 – Bartholomew de Burghersh, 1st Baron Burghersh
 * October 16 – Louis of Sicily
 * December 5 – John III, Duke of Brabant (b. 1300)
 * December 20 – Stefan Uroš IV Dušan, Emperor of Serbia
 * date unknown – Bettina d'Andrea, Italian lawyer and professor