Veii was an Etruscan city-state located 9.9 miles northwest of Rome, Italy. It was founded in the 900s BC and became a city during the 600s BC, and it became the richest city of the Etruscan League. It was alternatively at war with the Roman Kingdom and the Roman Republic for over 300 years, and it fell to the Roman general Marcus Furius Camillus' army in 396 BC, becoming a Roman city.