June 7 – The dying Prince Edward summons his father Edward III and brother John of Gaunt and makes them swear to uphold the claim to the throne of his son Richard.
July 10 – The Good Parliament, the longest Parliament which has yet sat in England, is dissolved.
September? – John of Gaunt summons John Wycliffe from Oxford to appear before the king’s council, intending to use him against bishops who have become Gaunt’s enemies.
Fall - John of Gaunt, through the royal council, proceeds to undo the work of the Good Parliament.
December 25 – John of Gaunt presents his nephew prince Richard of Bordeaux to the feudatories of the realm and swears to uphold his right to succeed Edward III.
Moghulistan khan Qamar al-din invades Timur’s easter province of Farghana. Tiimur is almost defeated, but manages to turn the tide against his foes and drive them back into their own country.
Acamapichtli becomes the first formal Tlatoani of the Aztec.
Late in year - Timur leads his army against troops of the White Horde which have arrived at Sighnaq. However, winter has set in, precluding the possibility of an immediate battle.