Year 1326 (MCCCXXVI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events January–December January 21 – The foundation of Oriel College, the University of Oxford's fifth oldest (still surviving) college, is confirmed by royal charter. 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. Date unknown 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. Births 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) probable Manuel Kantakouzenos, despot of Morea (d. 1380) Seii, King of Chuzan (d. 1349) Simeon Uroš, self-proclaimed Emperor of Serbs and Greeks (d. 1370) Deaths 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, former queen consort of