Labotas on the other hand began his reign in 870 , implying an early 9th century date of the rhetra .
Herodotus says the Rhetra predated the reigns of Agasicles and Leon , who acceded to their thrones about 590 BC .
Labotas began Herodotus ' reign in 870 , implying an early 9th century date of the rhetra .
Herodotus says the Rhetra predated the reigns of Agasicles and Leon , who acceded to their thrones about 590 BC .