Battle of Badr first was Muhammad, who was transformed overnight from a Meccan outcast into a major leader. Marshall Hodgson adds that Badr forced the other Arabs to "regard the Muslims as challengers and potential inheritors to the prestige and the political role of the [Quraish]." Shortly thereafter he expelled the Banu Qaynuqa, one of the Jewish tribes at Medina that had been threatening his political position, and who had assaulted a Muslim woman which led to their expulsion for breaking the peace treaty. At the same time Abd-Allah ibn Ubayy, Muhammad's chief opponent in Medina, found his own position seriously weakened. Henceforth,
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