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.
They appeared like a fresh army amongst the exhausted combatants, and at once threw the Etruscan standards into confusion.
The rest of the men, worn out as they were, nevertheless followed up the cavalry attack, and at last broke through the enemy's ranks. Their determined resistance was now overcome, and when once their maniples began to give way, they soon took to actual flight.