January 21– At Heian-kyō (now Kyoto, the Emperor Go-Kōgon is enthroned in Japan as the Northern Emperor, although he had ruled northern Japan since the 1352 after the death of his older brother, the Emperor Sukō. In southern Japan at Tokyo, where Go-Kōgon claims rule as pretender to the Chrysanthemum Throne, the Emperor Go-Murakami is in his 15th year as the recognized ruler of the Empire.
March 2– A strong earthquake destroys the city of Gallipoli and its city walls, weakening its defenses, along with destroying the neighboring villages and towns in the area. Within a month after the devastating earthquake the Ottomansbesiege and capture the town, making Gallipoli the first Ottoman stronghold in Europe and the staging area for Ottoman expansion across the Balkans.
March 15– King Edward III summons the English Parliament, directing them to meet in Westminster on April 28.
April–June
April 6– The Treaty of Guînes is signed in France between representatives of the kingdoms of England and France, after the dispute between the two kingdoms is mediated by Pope Innocent VI and Cardinal Guy of Boulogne in an effort to end the Hundred Years' War. The "treaty of perpetual peace" is never ratified.
April 10– Four days after the signing of an agreement to end the Hundred Years War, the armies of England and France fight the Battle of Montmuran in the course of the Breton War of Succession between the House of Montfort (supported by England) and the House of Blois (supported by France).
April 28– The 31st parliament of King Edward III opens a three-week session.
May 20– The English Parliament adjourns after passing multiple acts, and King Edward III gives royal assent to the Liberty of Subject Act 1354, still in force providing that "No person shall be condemned without his answer," an early statement of the right to due process of law, as well as the Lords of Marches of Wales Act (directing that nobles shall be "attendant to the crown of England, and not to the principality of Wales"; and the Exportation of Iron Act ("No iron shall he carried forth of the realm."
June 10– In Cairo, Sarim al-Din Ibrahim, ruler of the Ramadanid Emirate in what is now the Anatolia region of Turkey, makes a gift of 1,000 horses to the Mamluk Sultan of Egypt and is given recognition as the "Emir of the Turkomans". Yinanç, Refet (1988). Dulkadir Beyliği (in Turkish). Ankara: Turkish Historical Society Press. p.19.
June 22– The siege of Alghero, located on the island of Sicily, begins as King Pedro IV of Aragon arrives on the island's coast with 100 ships and 12,000 men
↑Roland Delachenal, ed. (1910). Les Grandes Chroniques de France: Chronique des règnes de Jean II et de Charles V, Tome Premier (1350–1364)[Chronicle of the Reigns of Jean II and of Charles V, first volume]. Librairie Renouard. pp.37–38.
↑Ostrogorsky, George. History of the Byzantine State. Rutgers University Press.
↑Crowley, Roger (2005). 1453: The Holy War for Constantinople and the Clash of Islam and the West. New York: Hyperion Press. p.31. ISBN1-4013-0850-3..
↑Rogers, Clifford (2014) [2000]. War Cruel and Sharp: English Strategy under Edward III, 1327–1360. Woodbridge, Suffolk: Boydell Press. pp.290–291. ISBN978-0-85115-804-4.
↑Hernández Cardona, Francesc Xavier (2004). Història militar de Catalunya[Military History of Catalonia]. Rafael Dalmau Editorial. p.150. ISBN84-232-0655-6.
↑Musarra, Antonio (2020). Il Grifo e il Leone: Genova e Venezia in lotta per il Mediterraneo (in Italian). Bari and Rome: Editori Laterza. pp.239–240. ISBN978-88-581-4072-7.
↑Ronald G. Musto, Apocalypse in Rome. Cola di Rienzo and the politics of the New Age(Berkeley & Los Angeles, University of California Press, 2003).
↑Musarra, Antonio (2020). Il Grifo e il Leone: Genova e Venezia in lotta per il Mediterraneo (in Italian). Bari and Rome: Editori Laterza. pp.240–241. ISBN978-88-581-4072-7.
↑Purković, Miodrag (1976). Srpski patrijarsi Srednjega veka[Serbian Patriarchs of the Middle Ages]. Serbian Orthodox Diocese of Western Europe.