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.
ordered the officers in command of the cavalry to take their squadrons round to the side of the Samnite army, ready at a given signal to deliver as fierce a flank attack as possible. The infantry were at the same time to press steadily forwards and dislodge the enemy.
When he saw that they were offering no resistance, and were evidently worn out, he massed all his support which he had kept in reserve for the supreme moment, and gave the signal for a general charge of infantry and cavalry.