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.
The cavalry force, riding in perfect order, charged the enemy whilst scattered and hampered by their plunder and filled the whole place with carnage.
Incapable of either resistance or flight they were cut down amongst the packages which they had thrown away and over which their startled horses were stumbling.
After almost annihilating the enemy's cavalry, M. Fabius led his cavalry by a short circuit round the main battle and attacked the Samnite infantry from behind.