Events of 1326

• 3 June – The Treaty of Novgorod delineates the border between Russia and Norway in Finnmark.

• October – Ibn Battuta reaches Mecca.

• Orhan I succeeds Osman I on the throne of the Ottoman Empire.

• The use of the word "cannon" is first recorded in reference to a firearm.

• The foundation of Oriel College, Oxford, the University of Oxford's fifth oldest college, is confirmed by royal charter.

• Formation of the University of Cambridge's second oldest (still surviving) college, Clare College, Cambridge.

• Ingeborg of Norway, deposed from political power in Sweden, and the following year also in Norway.

Ongoing

• Peasant revolt in Flanders 1323-1328

Births

• March 30 – Ivan II of Russia, Grand Duke of Muscovy (d. 1359)

• March 5 – King Louis I of Hungary (died 1382)

• May 8 – Joanna I of Auvergne, queen consort of France (d. 1360)

• date unknown

• *Olivier de Clisson (The Butcher), French soldier (d. 1407)

• *Robert of Durazzo, Neapolitan nobleman (d. 1356)

• *Isaac ben Sheshet, Spanish Talmudic authority (d. 1408)

• *Imagawa Sadayo, Japanese poet and soldier (d. 1420)

• *Rinchinbal Khan, Emperor Ningzong of Yuan (d. 1332)

• probable

• *Manuel Kantakouzenos, despot of Morea (d. 1380)

• *Seii, King of Chuzan (d. c. 1354)

Deaths

• February 28 – Duke Leopold I of Austria (b. 1290)

• March 26 – Alessandra Giliani, anatomist (born c. 1307)

• April 9 – Walter Stewart, 6th High Steward of Scotland (b. 1293)

• April 29 – Blanche of Burgundy, queen consort of France (b. c. 1296)

• May 31 – Maurice de Berkeley, 2nd Baron Berkeley, English rebel baron (b. 1271)

• July 29 – Richard Og de Burgh, 2nd Earl of Ulster (b. 1259)

• October 15 – Walter de Stapledon, English bishop (b. 1261)

• October 27 – Hugh le Despenser, 1st Earl of Winchester (b. 1262) (executed)

• November 17 – Edmund FitzAlan, 9th Earl of Arundel, English politician (b. 1285)

• November 25 – Prince Koreyasu, Japanese shogun (b. 1264)

• November 26 – Hugh the younger Despenser, English knight (b. 1286) (executed)

• December 20 – Peter, Metropolitan of Moscow

• date unknown

• *Mondino de Liuzzi, Italian anatomist (b. 1275)

• *Osman I, founder of the Ottoman Empire (b. 1258)

• *Ser Petracco, father of Petrarch (b. 1267)