1351 CE

The Ayutthaya Kingdom is established by King Uthong (Ramathibodi I) in modern-day Thailand. He begins to propagate Theravada Buddhism as the state religion. War of the Breton Succession: Combat of the Thirty – Thirty chosen knights each, from the Kingdoms of France and England, fight to determine who will rule the Duchy of Brittany; a Franco-Breton victory is assured by the squire Guillaume de Montauban. Great council occurs in Kilkenny; ordinances to curtail Gaelisization of Anglo-Irish, and the statute of labourers applied to Ireland.

In the 1350s, the 14th century.

Geopolitics & Diplomacy

  • May 1 – Zürich joins the Old Swiss Confederacy.source
  • 31 October – Great council occurs in Kilkenny; ordinances to curtail Gaelisization of Anglo-Irish, and the statute of labourers applied to Ireland.Irelandsource
  • November 26 – Emperor Sukō abdicates as 3rd Emperor of the Northern Court of Japan.source
  • King Gongmin ascends the throne in Goryeo.source
  • Aodh, son of Toirdhealbhach Ó Conchobhair, recovers kingship of Connacht; expels Aodh mac Feidhlimidh Ó Conchobhair.Irelandsource

Conflict & Security

  • January 14 – Edward III of England institutes the Treason Act 1351, defining treason in English law. It remains unrepealed into the 21st century.source
  • February – The French besiege the town of Saint-Jean-d'Angély with an army of several thousand men led by Guy II de Nesle and his deputy Arnoul d'Audrehem.Francesource
  • March 23 – Firuz Shah Tughlaq succeeds Mohammad Tughlaq as ruler of the Delhi Sultanate. At this time, the Samma dynasty in Sindh (part of modern-day Pakistan) breaks away from the Sultanate.source
  • March 26 – War of the Breton Succession: Combat of the Thirty – Thirty chosen knights each, from the Kingdoms of France and England, fight to determine who will rule the Duchy of Brittany; a Franco-Breton victory is assured by the squire Guillaume de Montauban.source
  • March 26 – The Combat of the Thirty (part of Breton War of Succession) is fought to determine who would rule the Duchy of Brittany. It was an arranged fight of thirty chosen knights each, from the Kingdoms of France and England, that fought at a site midway between the Breton castles of Josselin and Ploërmel. The challenge was issued by Jean de Beaumanoir, a captain of Charles of Blois supported by King Philip VI of France, to Robert Bemborough, a captain of Jean de Montfort supported by Edward III of England.Francesource
  • April 1 – Hundred Years' War: Battle of Saintes. – The French are defeated by the English.source
  • April 1 – The Battle of Saintes between French and English forces takes place near Saint-Jean-d'Angély. The English force led by the Seneschal of Gascony, John de Cheverston and Arnaud-Amanieu are victorious, but was unable to fulfil its mission to resupply the besieged town of Saint-Jean-d'Angély.Francesource
  • April 8 – Hundred Years' War: Battle of Taillebourg. – The French are defeated by the English.source
  • June 6 – The Battle of Ardres is fought between French and English forces near the town of Ardres, Pas de Calais. The French led by Édouard I de Beaujeu, defeat the English and capture English commander of Calais John de Beauchamp.Francesource
  • August 31 – The French captured the besieged town of Saint-Jean-d'Angély upon the arrival of the King of France.Francesource
  • The Red Turban Rebellions break out in China, leading to permanent weakening of the Mongolian-run Yuan dynasty.source

Religion & Belief

  • March 4 – The Ayutthaya Kingdom is established by King Uthong (Ramathibodi I) in modern-day Thailand. He begins to propagate Theravada Buddhism as the state religion.source
  • 17 October – Great council occurs in Dublin.Irelandsource
  • Statute of Provisors prevents the Pope from appointing clergy to English benefices.source

Technology & Infrastructure

  • The region of Vantaa in Finland is first mentioned (as Helsinge).source

Crime & Justice

  • Arnoul d'Audrehem is captured and the French pay a heavy ransoms for his release.Francesource
  • Guy II de Nesle is captured and the French pay a heavy ransoms for his release.Francesource
  • Robert de Emeldon, former Lord High Treasurer disgraced due to corruption, is appointed as Chief Baron of the Irish ExchequerIrelandsource

Climate & Environment

  • The Statute of Labourers deals with a labour shortage caused by the Black Death.source

Culture & Society

  • Christmas – 'Nodlaig na Garma'; convention of poets and men of learning is held by Uilliam Buide Ó Ceallaigh; commemorated in Gofraidh Fionn Ó Dálaigh's poem, Filidh Éireann go haointeach.Irelandsource

Births

  • May – Joan of France, French nobleFrancesource
  • October 16 – Gian Galeazzo Visconti, first Duke of Milan (died 1402)source
  • November 1 – Leopold III, Duke of Austria (died 1386)source
  • probable – Władysław II Jagiełło, Grand Duke of Lithuania and King of Poland (died 1434)source
  • Princess Joan of France (died 1371)source
  • H. Denifle and Em. Chatelain, Chartularium Universitatis Parisiensis, t. iii. (Paris, 1894)Francesource
  • L. Salembier, Petrus de Alliaco (Lille, 1886)Francesource
  • P. Tschackert, Peter van Ailli (Gotha, 1877)Francesource

Deaths