The Battle of the Cremera was fought between the Roman Republic and the Etruscan city of Veii, in 477 BC (AUC 277).

[3] The Fabii built a camp on the Cremera, from which they harassed Veii and held back its raids on Rome.

[5] The Veientes, embarrassed by their lack of success, formed plans for an ambush of the Fabii.

[6] All of the Fabii were slaughtered save Quintus Fabius Vibulanus, who was too young to be sent to war.

Thereafter the Veientes withdrew from Rome and set about ravaging the countryside, until they were defeated by the Romans in the following year.