|Centuries:||13th century – 14th century – 15th century|
|Decades:||1350s 1360s 1370s – 1380s – 1390s 1400s 1410s|
|Years:||1378 1379 1380 – 1381 – 1382 1383 1384|
- June 12– Peasants' Revolt: In England, rebels from Kent and Essex, led by Wat Tyler and Jack Straw, meet at Blackheath. There the rebels are encouraged by a sermon by renegade priest John Ball.
- June 14– Peasants' Revolt: Rebels destroy John of Gaunt's Savoy Palace and storm the Tower of London, killing the Archbishop of Canterbury and the Lord Chancellor. King Richard II of England meets the leaders of the revolt and agrees to reforms such as fair rents and the abolition of serfdom.
- June 15– Peasants' Revolt: During further negotiations, Wat Tyler is murdered by the King's entourage. Noble forces subsequently overpower the rebel army. The rebel leaders are eventually captured and executed and Richard II revokes his concessions.
- Kęstutis overthrows his nephew, Jogaila, as Grand Duke of Lithuania. Jogaila is allowed to remain as governor of eastern Lithuania.
- Due to Joan I of Naples' support for Antipope Clement VII, Pope Urban VI bestows Naples upon Charles of Durazzo. With the help of the Hungarians, Charles advances on Naples and captures Joan.
- James of Baux, the ruler of Taranto and the Latin Empire, claims the Principality of Achaea after the imprisonment of Joan I of Naples.
- Sonam Drakpa deposes Drakpa Changchub as ruler of Tibet.
- Hajji I succeeds Alah-ad-Din Ali as Mamluk Sultan of Egypt. The Egyptian government continues to be controlled by rebel leader, Berkuk.
- After a naval battle, Venice wins the three-year War of Chioggia against Genoa. The Genoans are permanently weakened by the conflict.
- Timur conquers east Persia, ending the rule of the Sarbadar Dynasty.
- March 24– Catherine of Sweden, Swedish saint
- May 15– Eppelein von Gailingen, German robber baron
- June 14– Simon Sudbury, Archbishop of Canterbury
- June 15– John Cavendish, Lord Chief Justice of England
- June 15– Wat Tyler, English rebel
- July 15– John Ball, renegade priest
- December 2– John of Ruysbroeck, Flemish mystic
- December 27– Edmund de Mortimer, 3rd Earl of March, English politician