So why does October, the 10th month of the year, have this prefix? It dates back to the ancient Roman calendar, known as the ...
In a word, the Roman calendar was unreliable ... Jan. 1 has been observed as New Year's Day ever since. Erdkamp, Paul. The Cambridge Companion to Ancient Rome. Cambridge University Press, 2013.
The ancient Egyptian calendar consisted of 365 days without ... the festival occurred at different times of the year. During the Roman occupation of Egypt from the mid-1st to mid-3rd centuries ...