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|Ab urbe condita||2079|
|Balinese saka calendar||1247–1248|
|English Regnal year||19 Edw. 2 – 20 Edw. 2|
|Chinese calendar||乙丑年 (Wood Ox)|
4022 or 3962
— to —
丙寅年 (Fire Tiger)
4023 or 3963
|- Vikram Samvat||1382–1383|
|- Shaka Samvat||1247–1248|
|- Kali Yuga||4426–4427|
|Japanese calendar||Shōchū 3 / Karyaku 1|
|Minguo calendar||586 before ROC|
|Thai solar calendar||1868–1869|
1452 or 1071 or 299
— to —
1453 or 1072 or 300
|Wikimedia Commons has media related to 1326.|
- February 10–March 11 – Raid on Brandenburg: Allied forces of the Kingdom of Poland, led by Władysław I the Elbow-high, and of the Grand Duchy of Lithuania, led by the pagan Gediminas, raid Louis V of Germany's Margraviate of Brandenburg (within the Holy Roman Empire), with the sanction of Pope John XXII.
- April 19 – A peace treaty in the Flemish peasant revolt, 1323-1328, is ratified.
- June 3 – The Treaty of Novgorod delineates the border between Russia and Norway in Finnmark.
- August 27 – A marriage contract is drawn up between Prince Edward (the future Edward III of England) and Philippa of Hainault, guaranteeing that the wedding will take place within two years.
- September 24 – England is invaded by Isabella of France and Roger Mortimer.
- October – Ibn Battuta reaches Mecca.
- Orhan I succeeds Osman I, on the throne of the Ottoman Empire.
- Ingeborg of Norway is deposed from political power in Sweden.
- The use of the word "cannon" is first recorded in reference to a firearm.
- Clare College, the University of Cambridge's second oldest (still surviving) college, is founded.
- The foundation of Oriel College, the University of Oxford's fifth oldest (still surviving) college, is confirmed by royal charter.
- March 5 – King Louis I of Hungary (d. 1382)
- March 30 – Ivan II of Russia, Grand Duke of Muscovy (d. 1359)
- May 1 – Rinchinbal Khan, Emperor Ningzong of Yuan (d. 1332)
- May 8 – Joanna I of Auvergne, queen consort of France (d. 1360)
- June 29 – Murad I, Ottoman sultan (d. 1389)
- date unknown
- Olivier de Clisson (The Butcher), French soldier (d. 1407)
- Robert of Durazzo, Neapolitan nobleman (d. 1356)
- Prince Narinaga, Japanese Shōgun (d. in either 1337 or 1344, the sources are contradictory)
- Imagawa Sadayo, Japanese poet and soldier (d. 1420)
- Isaac ben Sheshet, Spanish Talmudic authority (d. 1408)
- January 18 – Robert FitzWalter, 1st Baron FitzWalter, English baron (b. 1247)
- February 28 – Leopold I, Duke of Austria (b. 1290)
- March 26 – Alessandra Giliani, Italian anatomist (b. c. 1307)
- 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 Óg 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 (executed; b. 1262)
- November 17 – Edmund FitzAlan, 9th Earl of Arundel, English politician (b. 1285)
- November 25 – Prince Koreyasu, Japanese shōgun (b. 1264)
- November 24 – Hugh the younger Despenser, English knight (executed; b. 1286)
- December 20 – Peter, Metropolitan of Moscow
- December 28 – Sir David II Strathbogie, Earl of Atholl, Constable of Scotland, and Chief Warden of Northumberland
- date unknown
- "Edward III marriage contract auctioned". BBC History Magazine. BBC (May 2019): 13.
- "BBC - Radio 4 - This Sceptred Isle - Isabella and Mortimer". www.bbc.co.uk. Retrieved 14 March 2019.
- "Louis I | king of Hungary". Encyclopedia Britannica. Retrieved 14 March 2019.
- "Ivan II | Russian prince". Encyclopedia Britannica. Retrieved 22 August 2018.