Muhammad in Medina with Meccans, who were now eager to avenge their defeat. To maintain their economic prosperity, the Meccans needed to restore their prestige, which had been lost at Badr. The Meccans sent out a small party for a raid on Medina to restore confidence and reconnoitre. The party retreated immediately after a surprise and speedy attack but with minor damages; there was no combat. In the ensuing months, Muhammad led expeditions on tribes allied with Mecca and sent out a raid on a Meccan caravan. Abu Sufyan ibn Harb subsequently gathered an army of three thousand men and set out for
Battle of the Eurymedon with the decisive Athenian victory at the Battle of Marathon. Between the two invasions, Darius died, and responsibility for the war passed to his son Xerxes I. Xerxes then led the second invasion personally in 480 BC, taking an enormous (although oft-exaggerated) army and navy to Greece. Those Greeks who chose to resist (the 'Allies') were defeated in the twin battles of Thermopylae and Artemisium on land and at sea respectively. All of Greece except the Peloponnesus thus fell into Persian hands, but then seeking to finally destroy the Allied navy, the Persians suffered a decisive defeat at the Battle