One morning's fighting determined whether Greece — and all it created — would survive.

Plataea: The Battle That Saved Western Civilization

Greece's final stand against the Persian Empire

At Plataea in 479 BC, united Greek city-states defeated the Persian Empire's invasion force, ending Persian expansion into Europe and preserving Greek civilization.

In 479 BC, the Persian Empire under Mardonius — commanding an army ancient sources claim numbered 300,000 though modern estimates suggest 70,000 — occupied most of Greece. Athens had been burned. The Persian king Xerxes had retreated after the naval defeat at Salamis, leaving Mardonius to complete the conquest by land.

The Greek city-states, perpetually quarrelsome, managed to unite one final time. At Plataea, in Boeotia, a Greek force of perhaps 40,000 hoplites — including 8,000 Spartans, 8,000 Athenians, and contingents from dozens of other poleis — faced the Persian army across a plain.

The battle was decided in a single morning of intense fighting. The Persians, armed with lighter equipment and curved bows, could not penetrate the interlocked shields of Spartan heavy infantry. Mardonius himself was killed in the melee. Without their commander, the Persian forces collapsed into a rout. The battle of Plataea, combined with the simultaneous Greek naval victory at Mycale, ended Persian ambitions in Europe permanently.

Historians have long argued that a Persian victory at Plataea would have extinguished Greek democracy, philosophy, and science — intellectual currents that would e…

💡 The Spartan commander Pausanias deliberately waited hours to give the attack order, fighting his generals' impatience — and was vindicated when terrain finally favored the Greeks.