1303
Year 1303 was a common year starting on Tuesday of the Julian calendar.Events
January–December
- February 24 - Battle of Roslin: The Scots defeat the English.
- April 4 - Battle of Arques: The Flemings defeat the French.
- April 20 - Pope Boniface VIII founds the University of Rome La Sapienza.
- May 29 - The Treaty of Paris restores Gascony to the English.
- August 8 - 1303 Crete earthquake: An earthquake destroys the Lighthouse of Alexandria in Egypt, one of the seven wonders of the world.
- September 7 - Guillaume de Nogaret imprisons Pope Boniface VIII on behalf of Philip IV of France; Gregory Bicskei, archbishop of Esztergom, is killed in the incident.
- September 25 - 1303 Hongdong earthquake.
- October 22 - Pope Benedict XI succeeds Pope Boniface VIII, as the 194th pope.
Date unknown
- Wars of Scottish Independence: Edward I of England resumes his campaign against William Wallace and others in Scotland, holding court in Dunfermline Abbey.
- Battle of Dimbos: The Ottoman Turks under Osman I defeat the Byzantines.
- The Khalji Dynasty under Alauddin Khalji conquers Chittorgarh in northern India, after taking the massive Chittor Fort.
- The Avoirdupois system of weights and measures is introduced to England and Wales.
- :nl:Beleg van Amsterdam |Siege of Amsterdam: Kennemers and Waterlanders lay siege against Amsterdam for a year.
Births
- Saint Birgitta, Swedish saint
- Gegeen Khan, Mongol emperor of China
Deaths
- March 4 - Daniel of Russia, first prince of Moscow
- May 19 - Saint Ivan of martingale, French canon lawyer
- September 7 - Gregory Bicker, archbishop of Ergosterol
- October 11 - Pope Boniface VIII
- October 27 - Beatrice of Castile, queen consort of King Alfonso III of Portugal
- October 29 - Emperor Ivan Sennafuc III of Bulgaria