Historical
1347-1353: Europe - The Black Death (aka. bubonic plague) spreads throughout Europe, It is the worse natural disaster in European history, an estimated 19 to 35 million die, the plague is spread by rats Infested by Infected fleas, the plague originated in the East and ships carrying Infected vermin came to the Island of Sicily then spread northward, a bizarre effect of the plague was the large-scale outbreak of anti-semitism from the belief that the Jews caused the plague
1348: Poland - Casimir III the King of Poland starts the University Of Kracow
1353: Switzerland - Switzerland is established as a unified country
1356: England, France - Battle in Poitiers, the French defeat Black Prince of Wales Edward, the French king, John II, and his son, Philip the Bold of Burgundy, are taken prisoners at Poitiers, John is brought to England which results in civil chaos in France
1360: England, France - Treaty of Calias, England and France sign a treaty on October 24th, John II of France is ransomed and Edward III renounces his claim to the French throne
1364: Uzbekistan - Timur (Tamerlane) captures Samarkand (Uzbekistan)
1368: China - Chu Yuan-chang, a Han Chinese peasant and former Buddhist monk who had become a rebel army leader, emerged as successor to Kublai Khan, founding the Ming dynasty, with a capital at Nanking
1369: Netherlands - Amsterdam joins Hanseatic League
1371: Turkey, Bulgaria - Serbs defeated by Ottoman Turks at Maritsa River (Bulgaria)
1372-1375: England, France - Hundred Years War resumes when the French fleet defeats the British fleet off La Rochelle y France, the French are helped by a powerful fleet from Castile, the Truce of Bruges is signed on June 27, 1375 limiting British presence in France to Calia, Brest, Bordeaux and Bayonne