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.
Night came on whilst they were still uncertain with whom the victory lay; the following morning made it clear, for the Etruscans had abandoned their camp in the dead of the night. When the Romans marched out to battle and saw that the enemy had by their action admitted their defeat, they went on to the deserted camp.