The Persian Wars
Darius I of Persia (522-486)
A benevolent and extremely competent ruler,
Darius had the misfortune of trying to rule the
Greeks. He knew they were troublesome and he realized that the Ionian Greeks would be a
perpetual bother so long as they could gain help and encouragement from the Greek
mainland.
So, he determined to conquer Greece proper, to secure his western frontier. The Persian Empire was enormous, and one portion or another was regularly in revolt, so it was some time before Darius was able to turn his attention to Asia Minor.
As it happened, the Greeks themselves gave Darius a pretext for action. The fires of
rebellion had smoldered in Ionia for a generation or more, but the spark was provided by
one man:
Aristagoras of
Miletus.


