January 7 – The Diet of Metz, which had been convened in the French city by the Holy Roman Emperor Charles V on November 17, is closed after two months.
February 15 – King Edward III summons the English Parliament and directs its members to assemble at Westminster on April 17, 1357.
March 16 – Brancaleone Doria of the Republic of Genoa, who will gain control of most of the island of Sardinia, agrees to become a vassal of King Pedro of Aragon, the nominal King of Sardinia, in order to be recognized as owner of the Doria ancestral lands and castles of northern Sardinia, and the lordships of Castelgenovese, Monteleone, Castel Doria, Nucara, Cabuabbbas, Anglona and Bisarcio.
March 21 – ("first day of the third month of the 17th year of the Zhizheng era", the third month corresponding to March 21 to April 19, 1357) The Ispah rebellion by Persian Shia Muslims in Yuan dynastyChina begins. Rebels led by Sayf ad-Din and Amir ad-Din take control of the city.
March 23 – Edward the Black Prince, who has been residing in France with his men at English-controlled Bordeaux and is the eldest son of King Edward III of England, concludes a two-year truce with France in order to be able to return home after the Battle of Poitiers.
April–June
April 6 – King Jean II of France, acting from his imprisonment at Bordeaux, overules the Great Ordinance that had been approved on February 3 by the Estates General.
April 17 – The English Parliament assembles at Westminster for a 29-day session.
April 28 – Erik Magnusson is recognized as king of most of Sweden, in opposition to his father, King Magnus. The action takes place at a meeting of the Swedish nobility at Jönköping, and Erik is granted control of Finland, Scania, the southern half of Halland, and other parts of the Kingdom of Sweden.
May 17 – The English Parliament adjourns and King Edward III gives royal assent to numerous acts of legislation passed, including a confirmation of the Great Charter and the Charter of the Forest, including regulations for the sale and pricing of dogger-fish and for herrings, the Default of Victuallers in London Act, regulations defining the measurement and the contents of a tun (252 wine gallons, now equivalent to 954 liters).
May 24 – Edward the Black Prince returns to London in triumph with his prisoner of war from the Battle of Poitiers, King Jean II of France.
July 22 – On the death of Jani Beg, he is succeeded as Khan of the Blue Horde by his son Berdi Beg who orders the death of at least 12 of his close kinsmen to secure his position.
↑Margue, Michel (2009). "Luxemburg, Metz und das Reich. Die Reichsstadt im Gesichtsfeld Karls IV ( Luxembourg, Metz and the Empire. The Imperial City in the Sight of Charles IV)". In Ulrike Hohensee (ed.). Die Goldene Bulle: Politik – Wahrnehmung – Rezeption[The Golden Bull: Politics – Perception – Reception]. Berlin: Akademie-Verlag. pp.911–912.
↑Savisky, Serge (2001). Les Valois dans la tourmente: l'ordonnance du 3 mars 1357[The Valois in Turmoil : The Ordinance of 3 March 1357]. Chamalières: Canope.
↑Schybergson, Magnus Gottfrid (1903). Finlands historia (in Swedish). Vol.2. G. W. Edlund. p.90.
↑van Bree, Hans (1999). Het aanzien van een millennium. Kroniek van historische gebeurtenissen van de Lage Landen 1000–2000[The Appearance of a Millennium. Chronicle of Historical Events of the Low Countries 1000–2000] (in Dutch). Utrecht: Uitgeverij Het Spectrum. pp.28–30. ISBN9027468443.