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 consequence was that he brought upon himself the punishment due to them, for when he had gone to the annual sacrifice at Lavinium, a tumult arose in which he was killed.

Romulus is reported to have been less distressed at this incident than his position demanded, either because of the insincerity inherent in all joint sovereignty, or because he thought he had deserved his fate.