April 6– A peace conference opens in Milan with participation by nearly all of the Italian kingdoms, republics and city states to discuss a war between a league of cites nadd Milan.
May 8– The First Treaty of London is signed at Windsor Castle between King Edward III of England and King Jean II of France, who has been held prisoner of war in England since 1356. Under the terms of the treaty, the ransom for King Jean II and other prisoners of war retained as hostages is set at four million écus, to be paid in six annual installments. France also agrees to cede one-fourth of its territory to England, and King Edward III renounces his claims to the throne of France. The amount of 4,000,000 écus represents most of France's income and payment proves to be financially impossible, leading to a renegotiation of the terms after France is unable to make its first payment on November 1.
May 28–Hundred Years' War: The Jacquerie– A peasant rebellion begins in France, which consumes the Beauvais, and allies with Étienne Marcel's seizure of Paris. Over the three weeks that follow, the angry peasants, angry about the devastation caused in the and around Paris by the Kingdom of Navarre, murder members of the French nobility, destroy castles, and commit numerous atrocities.
June 8– After two months of negotiations, the treaty of Sant'Ambrogio is signed in Milan with Novara and Alba returned to the Visconti family and Asti and Pavia being kept by the Marquis of Montferrat.
June 10– The Jacquerie rebellion is brutally suppressed by French troops.
September 1– A Teutonic knight, Bonifacius Rotarius of Asti, becomes the first person known to have climbed to the top of the 11,608 feet (3,538m) high mountain Rocciamelone, in the Italian Alps, bringing with him a small image of the Virgin Mary as a gesture of gratitude for having survived captivity in the Holy Land during a crusade against the Muslims, and begin an annual tradition of Catholics making a pilgrimage to the summit of Rocciamelone every August 5.
September 21– Badoer, Duke of Crete, meets with an ambassador sent from the Emirate of Menteshe to discuss trade between the two nations.
October 12–Hook and Cod wars: On orders of Albert, Duke of Holland, Dirk Loef of Horne provides 30 archers to aid in Albert's siege of Heusden, a rebellious city in the Netherlands, and the city surrenders in January.
October 13– Badoer, on behalf of Crete, signs a treaty of peace and trade with the Emirate of Menteshe, located in western Turkey and ruled by the Emir Musa.
November 1– France defaults on its obligation to pay 600,000 écus as the first installment on the 4,000,000 écus owed to England under the First Treaty of London.
November 24–Hugh IV, King of Cyprus since 1324, abdicates and his son Peter I becomes the new monarch.
Mubariz al-Din Muhammad, leader of the Arab Muzaffarid tribe, expels the Blue Horde from Ilkhanate territory in Persia. The Muzaffarid then release control of the Il-Khanate, after being marched on by the MongolJalayirid tribe, ruled by Shaikh Uvais. Shaikh Uvais becomes the new Il-Khan. The Ilkhanate is effectively now disbanded, and replaced by the Jalayirid dynasty of Persia.
Shah Shuja overthrows his father, Mubarazuddin Muhammad, as leader of the Muzaffarid tribe.
↑Kenneth Meyer Setton (1978). The Papacy and the Levant, 1204–1571 Vol. 2, (Diane Publishing), ISBN 0-87169-127-2.
↑Firnhaber-Baker, Justine (2021). The Jacquerie of 1358: a French peasants' revolt (First ed.). Oxford. ISBN 978-0-19-259835-6. OCLC 1255709650.
↑Ratti Vidulich, Paola, ed. (1976). Duca di Candia: Quaternus Consiliorum, 1340–1350. Venice: Comitato per la pubblicazione delle fonti relative alla storia di Venezia.
↑Rogers, Clifford J. (2014) [2000]. War Cruel and Sharp: English Strategy under Edward III, 1327–1360. Woodbridge, Suffolk: Boydell Press. pp.388–389. ISBN978-0-85115-804-4.
↑Edbury, Peter W. (1991). The Kingdom of Cyprus and the Crusades, 1191–1374. Cambridge University Press. pp.147–148.