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.
A force of equal size used to be supplied by the Latins, now, however, they were hostile to Rome. The two armies were drawn up in the same formation, and they knew that if the maniples kept their order they would have to
fight, not only vexilla with vexilla, hastati with hastati, principes with principes, but even centurion with Centurion.