Year 1304 was a leap year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events of 1304 20 July - Fall of Stirling Castle: Edward I of England takes the last rebel stronghold in the Wars of Scottish Independence. 17 August - The Battle of Mons-en-Pévèle is fought to a draw between the French army and the Flemish militias. Undated James II of Aragon reconquers Villena, Spain. Holland and Zeeland are occupied by John II, Duke of Brabant and… (More on 1304)