1370

Events 
 May 24 – The Treaty of Stralsund ends the war between Denmark and the Hanseatic League.
 October 20 – Philip of Anjou, Titular Emperor of Constantinople, marries Elisabeth of Slavonia, daughter of Stephen, duke of Transylvania and Slavonia, and Margareta of Bavaria.
 December 20 – Pope Gregory XI succeeds Pope Urban V as the 201st pope.
 Steel Crossbow first used as a weapon of war.
 Carthusian monks build the Charterhouse in London.
 Fortification of Xian City (Chang'an)
 Timur completes his conquest of Cental Asia and parts of Persia, establishing the Timurid Empire.
 Tran Phu deposes Duong Nhat Le as King of Vietnam.
 For the second time since 1368, Moscow attacks Tver. Tver again makes a counter-attack with the aid of Lithuania and the Blue Horde.
 Casimir III of Poland is succeeded jointly by his sister, Elisabeth of Kujavia, and her son, Louis I of Hungary. Beginning of the rule of Poland by the Capet-Anjou family.

 Births 
 Duke William of Austria (died July 14, 1406)
 Guarino da Verona, Italian humanist (died 1460)
 Joanna of Navarre, daughter of Charles II of Navarre (died 1437)
 John Lydgate, English Benedictine monk and poet (died 1451)
 Queen Mary of Sicily (died 1402)
 Erasmo of Narni, Italian mercenary (died 1443)
 King Olaf IV of Norway (died 1387)
 John VII Palaeologus, Byzantine Emperor (died 1408)
 Jan Piast, Duke of Ziebice (died 1428)
 Jan Sindel, Polish scientist (died 1443)
 Jan Zizka, leader of the Hussites (died 1424)
 Pawel Wlodkowic, Polish scholar (died 1435)

 Deaths 
 December 19 – Pope Urban V (born 1310)
 Casimir III of Poland (born 1310)
 Ukhaatu Khan, Grand khan of the Mongol Empire (born 1320)
 Shi Nai'an, Chinese writer (born 1296)