Mardonius, on learning the approach of the Lacedaemonians, abandoned Attica and crossed into Boeotia. He finally took up a position on the left bank of the Asopus, and not far from the town of Plataea. Here he caused a camp to be constructed of ten furlongs square, and fortified with barricades and towers. Meanwhile the Grecian army continued to receive reinforcements from the different states, and by the time it reached Boeotia, it formed a grand total of about 110,000 men. After several days' manoeuvring a general battle took place near Plataea. The light-armed undisciplined Persians, whose bodies were unprotected by armour, maintained a very unequal combat against the serried ranks, the long spears, and the mailed bodies of the Spartan phalanx. Mardonius, at the head of his body-guard of 1000 picked men, and conspicuous by his white charger, was among the foremost in the fight, till struck down by the hand of a Spartan. The fall of their general was the signal for flight to the Persians, already wearied and disheartened by the fruitless contest; nor did they once stop till they lad again crossed the Asopus and reached their fortified camp. The glory of having defeated the Persians at Plataea rests with the Lacedaemonians, since the Athenians were engaged in another part of the field with the Thebans. After repulsing the Thebans, the Athenians joined the Lacedaemonians, who had pursued the Persians as far as their fortified camp. Upon the arrival of the Athenians the barricades were stormed and carried, after a gallant resistance on the part of the Persians. The camp became a scene of the most horrible carnage. The Persian loss was immense, while that of the Greeks seems not to have exceeded 1300 or 1400 men.