September 12th (1309) was a Thursday. It's the 254th day of the year (255th in leap years) in the Gregorian calendar. There are 111 days left to the end of the year.
Historical Events for 12th September, 1309
» The First Siege of Gibraltar takes place in the context of the Spanish Reconquista pitting the forces of the Kingdom of Castile against the Emirate of Granada resulting in a Castilian victory.