Herodotus and the dating of the battle of thermopylae
They decided to put the divinity to the test, and Artabanus, who against his better instincts agreed to the project, slept in the king’s clothes on the royal throne (7.15a.1). The dream threatened Artabanus with consequences if he tried to avert what was bound to happen (7.17).
Here the myths about the abduction of women are apparently presented as legitimating points of view by later warring parties (cf. Thus erudite Persians make the Phoenicians and their abduction of Io responsible for the beginning of the conflict (1.1.1).
Also during the digging of a canal across the isthmus of Mount Athos, the laborers were driven with whips (7.22-24).
The size of the army, with its contingents coming from all countries, exceeded all dimensions.
Persian soil was to reach the god’s heaven; thus he openly sought world domination (7.8a-c).
A speech by Mardonius directly followed, which supported these plans.