The Plague of Athens
A devastating epidemic struck Athens during the Peloponnesian War, killing an estimated quarter of the population including Pericles, and undermining Athenian democracy at its peak.
In 430 BCE, a mysterious and lethal epidemic swept through Athens during the second year of the Peloponnesian War against Sparta. The historian Thucydides, himself a survivor, provided a harrowing firsthand account: victims suffered fever, violent vomiting, uncontrollable diarrhea, and skin lesions. The disease killed an estimated 75,000–100,000 people — roughly 25% of the population — over four years. Among the dead was Pericles, the statesman who had led Athens into its golden age. The plague shattered Athenian morale and social order; Thucydides noted that people abandoned laws and customs, believing they would die before facing consequences. Modern scholars have proposed typhoid fever, smallpox, or viral hemorrhagic fever as candidates, but the exact pathogen remains debated.
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