When the Greek city-states within the Persian Empire in Asia Minor revolted in 499 BCE, mainland Greece cities Eretria and Athens sent military force to assist this Ionian Revolt. After the revolt was put down, Darius decided to punish these cities and sent an expedition. This was repelled at Marathon, so Darius decided that the only way to stop the mainland Greek city-states disturbing the peace in his empire was to bring them under control of a Persian governor. He began bribing the cities, and planned an invasion to bring the others under control, but died and the project was taken on by his successor Xerxes.
They began in 499 BCE when the Greek Ionian city-states in Asia Minor revolted against Persian rule, and spread to mainland Greece.
King Darius I .
Darius.
The second greco-persian war
Cyrus established the Persian Empire. Darius consolidated it. Each to his own success.
The first Persian invasion of Greece was during the Persian Wars in 492 BCE. It was ordered by the Persian King Darius I to punish the city-states of Athens and Eretria.
Persia had a king, not an emperor. The Persian king Darius I was at home in Persia when the battle of Marathon took place, so he was not killed at Marathon. Darius the Great died of natural causes 14 years after Marathon.
Under Darius, the Persian Empire extended to the city of Taxila in Central Asia. He was emperor from 521 to 486 BC.
Darius the Great's commander Datis came to grief at the Battle of Marathon in 490 BC (First Persian invasion of Greece) .
The answer is Darius, I needed this answer for a homework sheet and when I found the answer I decided to come back and help you.
He used riches gained in trade to pay for great places
There were several Persian leaders called Darius - they were kings of Persia.
He did not become king of the Greeks, he was Hegemon (Leader). He could claim kingship of the Persian Empire when Persian emperor Darius was killed in 331 BCE.