1323
Year 1323 was a common year starting on Saturday of the Julian calendar.Events
January–December
- March 6 - Treaty of Paris: Louis I, Count of Flanders relinquishes his claim to Zeeland.
- July 18 - Thomas Aquinas is canonised.
- August 12 - The Treaty of Nöteborg between Sweden and the Novgorod Republic is signed, regulating the border for the first time.
Date unknown
- Lithuania: In the Letters of Gediminas, Vilnius is named as the capital city.
- Remains of the Lighthouse of Alexandria are toppled by the third of a series of earthquakes.
- A conflict between Ingeborg of Norway, and the regencies of her son in Sweden and Norway, ends with the diminution of her power.
Births
- February 9 - Margaret of Brabant, Countess of Flanders
- Charles, Duke of Durazzo, Neapolitan noble
- Bernabò Visconti, Lord of Milan, Italian soldier and statesman
- Latest likely date - Constanza Manuel, queen consort of Castile
Deaths
- March 3 - Andrew Harclay, 1st Earl of Carlisle, English military leader
- August - Isabella of Burgundy, Queen of Germany
- September 4 - Gegeen Khan, Emperor Yingzong of Yuan
- October 16 - Amadeus V, Count of Savoy
- date unknown
- * King Andrew of Galicia, with his brother Leo II
- * King Leo II of Galicia, with his brother Andrew
