1345 CE

It was a year in the 14th century, in the midst of a period in human history often referred to as the Late Middle Ages.

In the 1340s, the 14th century.

Geopolitics & Diplomacy

24 April – Parliament is held in DublinIreland source
5 June – the second Parliament is held in Dublin.Ireland source
September – Holland, Hainaut and Zeeland are inherited by Louis IV, Holy Roman Emperor, and remain part of the imperial crown domain until 1347.source
21 October – Justiciar captures Castleisland.Ireland source
December – at Naas, the Justiciar resumes liberty of Kildare to the crown.Ireland source

Conflict & Security

January 17 – The Turks attack Smyrna.source
April 22 – Battle of Gamenario: The Lombards defeat the Angevins in the northwest region of present-day Italy, just southeast of Turin.source
April – Edward III of England offers "defiance" of Philip VI of France.source
26 June – Earl of Desmond attacks Nenagh.Ireland source
July 7 – Battle of Peritheorion: the forces of Momchil, autonomous ruler of the Rhodope, are defeated by the Turkish allies of John VI Kantakouzenos.source
August 8 – Peter, Duke of Bourbon was appointed French commander in Gascony and bases himself at Agen.France source
August – Gascon campaign of 1345 - Battle of Bergerac, Gascony: English troops are victorious over the French.source
September 26 – Battle of Warns: The Frisians defeat the forces of Holland under William II, Count of Hainaut, in the midst of the Friso-Hollandic Wars.source
October 21 – Battle of Auberoche in Gascony: The English defeat the French.source
October 21 – The Battle of Auberoche is fought between an Anglo-Gascon force of 1,200 men under Henry of Grosmont, Earl of Derby, and a French army of 7,000 commanded by Louis of Poitiers. It was fought at the village of Auberoche near Périgueux in northern Aquitaine resulting in an Anglo-Gascon victory.France source
November 8 – The English take La Réole in Gascony.source
December – The English take Aiguillon in Gascony.source
Late August – The Battle of Bergerac is fought between Anglo-Gascon and French forces at the town of Bergerac, Gascony resulting in an Anglo-Gascon victory. Henry of Grosmont, Earl of Derby, breaking the previous policy of cautious advance in the Hundred Years' War, struck directly at the largest French concentration, at Bergerac, surprising and defeating the French forces under Bertrand I of L'Isle-Jourdain and Henri de Montigny.France source
Justiciar d'Ufford campaigns against Desmond.Ireland source

Exploration & Expansion

May – The Turks, led by Umur Beg, sail from Asia Minor to the Balkan Peninsula, and raid Bulgarian territory.source

Science & Discovery

March 4 – Guy de Chauliac observes the planets Saturn, Jupiter, and Mars conjoined in the sky, under the sign of Aquarius, and a solar eclipse on the same day. This sign is interpreted as foreboding by many, and Chauliac will later blame it for the Black Plague.source

Crime & Justice

August 9 – Henry of Grosmont, Earl of Derby arrives in Bordeaux with 500 men-at-arms, 500 mounted archers and 1,000 English and Welsh foot archers.France source
30 September – Justicier captures Askeaton.Ireland source
15 October – Clann Mhuirchertaigh kills King Toirdhealbach of Connacht; who is succeeded by his son Aodh O Conchobhair.Ireland source
Autumn(?) Maurice FitzGerald, 4th Earl of Kildare is arrested and imprisoned in Dublin Castle.Ireland source

Culture & Society

January 8 – The marriage of Blanche of France, daughter of King Charles IV of France and his third wife Joan of Évreux, to her second-cousin, Philip, Duke of Orléans, son of King Philip VI of France and Queen Joan the Lame.France source
22 February – an assembly is held in Callan, County Kilkenny, under the presidency of Maurice FitzGerald, 2nd Earl of Desmond.Ireland source
March 15 – The Miracle of the Host occurs (as commemorated in Amsterdam).source
"Summer" (undated) – Louis IV's son, Louis VI the Roman, marries Cunigunde, a Lithuanian princess.source

Births

January 8 – Kadi Burhan al-Din, poet, qadi, and ruler of Sivas (died 1398)source
March 25 or 1347 – Blanche of Lancaster, wife of John of Gaunt, 1st Duke of Lancaster (died 1369)source
October 31 – King Fernando I of Portugal (died 1383)source
December 7 – Thado Minbya, founder of the Kingdom of Ava (died 1367)source
Eleanor Maltravers, English noblewoman (died 1405)source
King Charles III of Naples, reign 1381–1386 (died 1386)source
Helen of Bosnia, queen regnant (died 1399)source
John of Nepomuk, Bohemian monk and saint (k. 1393)source
Marie of Blois, Duchess of Anjou, Countess of Maine, Duchess of Touraine, titular Queen of Naples and Jerusalem and Countess of ProvenceFrance source

Deaths

January 17 – Martino Zaccaria, former Genoese Lord of Chios (killed by Turks at Smyrna)source
January 17 – Henry of Asti, titular Latin Patriarch of Constantinople (killed by Turks at Smyrna)source
April 14 – Richard Aungerville (also known as Richard De Bury), English writer and bishop (born 1287)source
June 11 – Alexios Apokaukos, chief minister of the Byzantine Empire (lynched by political prisoners)source
July 7 – Momchil, semi-independent brigand ruler in the Rhodope Mountains (killed in battle)source
July 24 – Jacob van Artevelde, Flemish statesman (born 1290) (killed by mob)source
July 28 – Sancia of Majorca, queen regent of Naples (born c. 1285)source
September 18 – Andrew, Duke of Calabria, is assassinated in Naples (died in Aversa).source
September 18 – Andrew, Duke of Calabria, king consort of Naples (born 1327) (murdered)source
September 22 – Henry, 3rd Earl of Lancaster, English politician (born 1281)source
September 26 – William II, Count of Hainaut (killed in the Battle of Warns)source
October 21 – Louis I de Poitiers, Count of ValentinoisFrance source
November 13 – Constance of Peñafiel, queen consort of Pedro I of Portugal (born 1323)source
John Vatatzes, Byzantine general (murdered)source
John Apokaukos, governor of Thessalonica (executed)source