Muhammad al-Mutawakkil I is briefly deposed this year as Abbasid puppet caliph of the Mamluks, Zakariyya' al-Mu'tasim taking the throne for that period.
A sermon by a German monk states "the game of cards has come to us this year" and prohibitions against cards are issued by John of Castile and the cities of Florence and Basel.
Papal legate to northern Italy Robert of Geneva (the future Clement VII) pillages Cesena and 4,000 antipapal rebels are massacred.
Arts and Literature
May 10 – A deputy is appointed to take charge of Chaucer’s duties at customs, Chaucer being busy with diplomatic business.
Nicholas Oresme is elected bishop of Lisieux. Oresme's French translations from Latin versions of Aristotle are an important contribution to the development of the French language.