Polybius Hist. III 25, 6 in occasion of a treaty stipulated by the fetials between Rome and Carthage; Livy VIII 9, 6 in the formula of the devotio of Decius Mus; Festus s.v. spolia opima, along with Plutarch Marcellus 8, Servius ad Aeneidem VI 860 on the same topic.
At this time, it spanned the entire city of Colonia Claudia Ara Agrippinensium, from the Northern Gate, located near today's cathedral, to the Southern Gate, located near today's St. Maria im Kapitol - then site of a Roman temple in honour of the Capitoline Triad.
These may have belonged to a representation of the Roman Capitoline triad (The gods Jupiter, Juno and Minerva), and therefore point to an official religious presence.
Capitoline Hill | Piedmont Triad | Triad | Capitoline Wolf | Capitoline Triad | Triad (The Byrds song) | Capitoline Venus | 14K Triad | Unhappy triad | Triad (underground society) | Triad Strategies | Triad (music) | Triad Hospitals | Triad (computers) | triad | Trauma triad of death | Tamír Triad | Carney's triad#Carney-Stratakis syndrome | Carney's triad | capitoline Hill |
The first "outsider" Etruscan king, Lucius Tarquinius Priscus, founded a Capitoline temple to the triad Jupiter, Juno and Minerva which served as the model for the highest official cult throughout the Roman world.