Question: This group encompassed a federation of Alpine tribes, including the Calucones, for about 6 centuries starting around 500 BC.  
Sentence (from "Sosicles (statesman)"): Sosicles was a Corinthian ambassador at the remarkable meeting of the allies of Sparta at around 500 BC, before which the Spartans laid their proposal for restoring Hippias to the tyranny of Athens.
Relevant evidence: No