1350 CE

(possible date) – Hook and Cod wars in the County of Holland: A number of nobles and progressive cities supporting William V, Count of Holland, in his power struggle with his mother Margaret I, Countess of Holland, found the Cod League and perhaps sign the Cod Alliance Treaty. Battle of Winchelsea (Les Espagnols sur Mer) off the south coast of England: An English fleet personally commanded by King Edward III defeats a Castilian fleet. To pay for the expenses of the revived war with the Republic of Venice, the Republic of Genoa has to subscribe a loan at an interest rate of 10%, from an association of creditors known as the Compera imposita per gerra Venetorum.

In the 1350s, the 14th century.

Geopolitics & Diplomacy

  • November 17 – To pay for the expenses of the revived war with the Republic of Venice, the Republic of Genoa has to subscribe a loan at an interest rate of 10%, from an association of creditors known as the Compera imposita per gerra Venetorum.source
  • Aodh, son of Toirdhealbhach Ó Conchobhair, King of Connacht, is deposed by Edmond Albanach de Burgh in favor of his cousin, Aodh mac Feidhlimidh Ó Conchobhair.Irelandsource

Conflict & Security

  • May 23 (possible date) – Hook and Cod wars in the County of Holland: A number of nobles and progressive cities supporting William V, Count of Holland, in his power struggle with his mother Margaret I, Countess of Holland, found the Cod League and perhaps sign the Cod Alliance Treaty.source
  • August 29 – Battle of Winchelsea (Les Espagnols sur Mer) off the south coast of England: An English fleet personally commanded by King Edward III defeats a Castilian fleet.source
  • September 5 – Hook and Cod wars in the County of Holland: Conservative noblemen found the Hook League and sign the Hook Alliance Treaty.source
  • Hayam Wuruk becomes ruler of the Majapahit Empire.source

Exploration & Expansion

  • Approximate date – Latest likely date for first permanent settlement of New Zealand by Māori people.source

Religion & Belief

  • January 9 – Giovanni II Valente becomes Doge of Genoa.source
  • The Yorkshireman John de St Paul, Archbishop of Dublin, is appointed as Lord Chancellor of Ireland by King Edward III of England.Irelandsource

Crime & Justice

  • The Punta Lobos massacre is carried out by members of the powerful Chimu Empire in Peru, leaving a residue of 200 murders.source
  • The Black Death first appears in Scotland and Sweden.source

Disasters & Accidents

  • The castle of Rapperswil is largely destroyed by Rudolf Brun, mayor of the city of Zürich.source

Culture & Society

Births

  • January 23 – Vincent Ferrer, Valencian missionary and saint (died 1419)source
  • April 13 – Margaret III, Countess of Flanders (died 1405)source
  • June 27 – Manuel II Palaiologos, Byzantine Emperor (died 1425)source
  • October 12 – Dmitri Donskoi, Grand Duke of Muscovy and Vladimir (died 1389)source
  • November 25 – Katherine Swynford, mistress of John of Gaunt (approximate date; d. 1403)source
  • December 27 – John I of Aragon (died 1396)source
  • Jehuda Cresques, Catalan cartographer (died 1427)source
  • William le Scrope, 1st Earl of Wiltshire (died 1399)source
  • John Montacute, 3rd Earl of Salisbury (approximate date; d. 1400)source
  • Hrvoje Vukčić Hrvatinić (died 1415)source
  • Thomas Holland, 2nd Earl of Kent (died 1397)source
  • William Gascoigne, Chief Justice of England (approximate date; d. 1419)source
  • John I Stanley of the Isle of Man (approximate date; d. 1414)source
  • Madhava of Sangamagrama, Indian mathematician (died 1425)source

Deaths

  • January 6 – Giovanni I di Murta, second doge of the Republic of Genoasource
  • March 26 or 27 March – Alfonso XI of Castile (born 1311)source
  • August 22 – Philip VI of France (born 1293)source
  • November 19 – Raoul II of Brienne, Count of Eusource
  • December 26 – Jean de Marigny, French bishopsource
  • Olaf of Roskilde, last Danish Bishop of Revalsource
  • supposed – Till Eulenspiegel, German prankstersource
  • Namdev, Marathi saint and poet (born 1270)source
  • Gayatri Rajapatni, Queen consort of Majapahitsource
  • Juan Ruiz, Archpriest of Hita (born c. 1283)source
  • Maol Íosa V, Earl of Strathearn, last Gaelic Mormaer of Strathearnsource
  • Aodh mac Aodh Bréifneach, last of Clann Mhuircheartaigh sept of O'Connors to hold kingship of Connacht (see 1342 and 1343 in Ireland), is killed by Aodh Bán Ó Ruairc.Irelandsource
  • Uilliam Ó Dubhda, Bishop of KillalaIrelandsource
  • Brian Bán Ó Briain, King of Thomond, is killed; restoration of Diarmaid mac Toirdhealbach (see 1343 in Ireland).Irelandsource