Ab urbe condita
Titus Livius (Livy)
Livy. History of Rome, Volumes 1-2. Roberts, Canon, Rev, translator. London, New York: J. M. Dent and Sons; E. P. Dutton and Co., 1912.
It[*](Romulus recognised, Amulius killed.) is said that the festival of the Lupercalia, which is still observed, was even in those days celebrated on the Palatine hill.