January 6 Charles I 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 Ins 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.
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 5December 2 Hundred Years' War: Black Prince's chevauche 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.
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Who looks outside, dreams; Who looks inside, awakens - Carl Jung