Herodotus says the Rhetra predated the reigns of Agasicles and Leon , who acceded to their thrones about 590 BC .
The associated kings offer a rough date for the genesis of the Great Rhetra .
Herodotus says the Great Rhetra predated the reigns of Agasicles and Leon , who acceded to their thrones about 590 BC .
The associated kings offer a rough date for the genesis of the Great Rhetra .