September 13th (1212) was a Thursday. It's the 255th day of the year (256th in leap years) in the Gregorian calendar. There are 110 days left to the end of the year.
September 13th Holidays in History
» Christian Calendar of Saints known as feast day:
» Saint Aimé called Aimé
» Saint Ame or Ame
» John Chrysostom
» September 13 (Eastern Orthodox liturgics).
» 'Niños Héroes e.g Día de los Niños Héroes' (Mexico)
» Epulum Jovis, celebrated on the Roman calendar called Ides of September, during the Ludi Romani. (Roman Empire)