November (Roman month) have been the most ancient holidays, becoming part of the calendar before 509 BC. Unless otherwise noted, the dating and observances on the following table are from H.H. Scullard, "Festivals and Ceremonies of the Roman Republic" (Cornell University Press, 1981), pp. 196–198. After the Ides, dates for the Julian calendar are given; pre-Julian dates for particular events, when April had one less day, are noted parenthetically. November (Roman month) November (from Latin "novem", "nine") or mensis November was originally the ninth of ten months on the Roman calendar, following October ("octo", "eight") and preceding December ("decem", "ten"). It had 29
Iunius (month) dating and observances on the following table are from H.H. Scullard, "Festivals and Ceremonies of the Roman Republic". Scullard places the Taurian Games on June 25–26 on a five-year cycle, but other scholars believe these "ludi" had no regular date and were held as a crisis ritual when needed. After the Ides, dual dates are given to represent both the earlier calendar, when June had 29 days and July was called "Quinctilis", and the 30-day month of the Julian calendar. Iunius (month) On the ancient Roman calendar, mensis Iunius or Iunius, also Junius (June), was the fourth month, following "Maius"