One of the most significant battles in antiquity was fought on the narrow, tree strewn plain of Marathon, in September, 490 BC. There, the Athenian army defeated a Persian force more than twice its size, because of superior leadership, training and equipment. The battle of Marathon has provided inspiration to the underdogs throughout history. In 490 BC, the Athenians proved that superior strategy, and technology can claim victory over massive numbers. In 646 BC the Persian armies, led by Cyrus, conquered the Greek city-state of Ionia, in Asia Minor. Despite the mildness of Persian rule, the Ionians did not like their conquerors. The Persians seemed barbaric to the cultured Ionians. The main objection to Persian rule, however, was that Ionians had been accustomed to self-government. The Persian king Darius I, who ruled over the conquered land of Ionia, was an all-powerful ruler. The Ionians never accepted the monarchy, and in 499 BC, they revolted against the Persians. Athens and another mainland polis, Eritrea, sent warships to help the Ionians, but Darius 1 of Persia soon defeated the Ionians. Darius then decided to punish the mainland Greeks for aiding the rebels revolt. Darius was so obsessed with punishing the Greeks that he employed a slave, whose sole responsibility was to say to him three times a day, at every meal, Remember the Athenians.Darius first attempt at capturing Athens was a complete failure from the beginning. He sent an army around the northern coast of the Aegean Sea. However, a storm destroyed his supply ships, forcing him to turn back. Two years later Darius tried again. He sent a large army and fleet of about 200 ships directly across the Aegean Sea to seize the Greek islands of the Aegean Sea and to punish the cities of Eretrea and Athens for having aided the rebellious Ionian cities in Asia Minor. Darius troops under Datis and Artapherrnes, which included Ionians and other subject peoples as ...