1343 CE

St. George's Night Uprising: The "Four Estonian kings" are murdered, at the negotiations with the Livonian Order. A naval league is formed between the Pope, the Republic of Venice, the Knights Hospitaller and the Kingdom of Cyprus, to prepare the Smyrniote Crusades. A tsunami, caused by an earthquake, devastates the Maritime Republic of Amalfi, among other places.

In the 1340s, the 14th century.

Geopolitics & Diplomacy

  • August 15 – Magnus IV of Sweden abdicates from the throne of Norway, in favor of his son Haakon VI of Norway. However, Haakon is still a minor, allowing Magnus to remain de facto ruler.source
  • Toirdhealbhach Ó Conchobhair recovers kingship of Connacht from Aodh mac Aodh Breifneach. He makes peace with Mac Diarmada.Irelandsource

Conflict & Security

  • April 23 – The St. George's Night Uprising begins in Estonia.source
  • Clann Mhuircheartaigh is expelled from Bréifne by Ualgarg Mór Ó Ruairc, O Conchobhair, and Tadhg Mag Ragnaill. He is given refuge by King Aonghus of Tír Conaill in Tír Aodha (Tirhugh, County Donegal).Irelandsource
  • King Niall Ó Domhnaill of Tir Conaill is deposed by his nephew Aonghus, with the aid and support of O Baoighill, Ó Dochartaigh, the MacSweenys and Aodh Reamhar Ó Neill.Irelandsource
  • Clanricarde and de Berminghams invade Uí Maine.Irelandsource

Religion & Belief

  • January 14 – Arnošt of Pardubice becomes the last bishop of Prague and, subsequently, the first Archbishop of Prague.source
  • January 27 – Pope Clement VI issues his bull Unigenitus, defining the doctrine of "The Treasury of Merits" or "The Treasury of the Church" as the basis for the issuance of indulgences by the Catholic Church.source
  • 19 May – Robert Savage is appointed Seneschal of Ulster.Irelandsource
  • August 31 – A naval league is formed between the Pope, the Republic of Venice, the Knights Hospitaller and the Kingdom of Cyprus, to prepare the Smyrniote Crusades.source
  • John L'Archers, Prior of the Order of St. John of Jerusalem appointed Lord Chancellor of IrelandIrelandsource

Crime & Justice

  • Maurice Earl of Desmond occupies Imokilly (east County Cork).Irelandsource

Climate & Environment

  • November 25 – A tsunami, caused by an earthquake, devastates the Maritime Republic of Amalfi, among other places.source

Births

  • December 19 – William I, Margrave of Meissen (died 1407)source
  • Thomas Percy, 1st Earl of Worcester, English rebel (died 1403)source
  • Constance of Aragon, queen consort of Sicily (died 1363)source
  • Alexander Stewart, Earl of Buchan, Scottish ruler (died 1405)source
  • Paolo Alboino della Scala, lord of Verona (died 1375)source
  • Emperor Chōkei of Japan (died 1394)source
  • Nang Keo Phimpha, queen of Lan Xang (died 1438)source
  • Tommaso Mocenigo, doge of Venice (died 1423)source
  • Geoffrey Chaucer, English poet (approximate date) (died 1400)source

Deaths

  • January 20 – Robert of Naples (born 1276)source
  • May 4 – St. George's Night Uprising: The "Four Estonian kings" are murdered, at the negotiations with the Livonian Order.source
  • May 29 – Francesco I Manfredi, lord of Faenzasource
  • June 22 – Aimone, Count of Savoy (born 1291)source
  • June 23 – Giacomo Gaetani Stefaneschi, Italian cardinal (born c. 1270)source
  • September 16 – Philip III of Navarre (born 1306)source
  • 26 October – Conchobhar Mac Diarmada, Lord of Moylurg;Irelandsource
  • 26 October – Ferghal mac Diarmata becomes Lord of Moylurg after his brother, Conchobhar Mac Diarmada, dies.Irelandsource
  • December 15 – Hasan Kucek, Chobanid prince (born c. 1319)source
  • Sir Ulick Burke, Irish noblemansource
  • Veera Ballala III, ruler of the Hoysala Empire (born 1291)source
  • Anne of Austria, Duchess of Bavaria (born 1318)source
  • Muircheartach Ó Briain, King of ThomondIrelandsource
  • Muircheartach Ó Briain, King of Thomond, dies. He is succeeded by his brother, Diarmaid, who is expelled by Brian Bán MacDomnaill Ó Briain.Irelandsource